# Motility / Pseudo-obstruction — GCMD Library living collection

Also covered as: Hirschsprung disease · intestinal failure · necrotizing enterocolitis · gastroschisis · intestinal atresia · constipation · soiling · outlet obstruction

Experts: Dr. Rod Gerardo, Dr. Jason Frischer, Dr. Marc Levitt, Dr. Amanda Jensen

Updated: n/a · 7 episodes · 184 cited statements

## Episodes
### Fundamentals
- [Intestinal rehabilitation: What is intestinal rehab? - Episode 1](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741) — video · 14:33 · [machine version](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741.md)
- [Intestinal Rehabilitation, Episode 1: What is intestinal rehabilitation?](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742) — podcast · 14:33 · [machine version](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742.md)

### Diagnosis & Workup
- [Colorectal Collaboration: Neurogastroenterology/Motility Disorders](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366) — video · 14:55 · [machine version](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366.md)

### Case-Based Learning
- [The Colorectal Quiz Episode 8: Motility Disorders Part 1](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824) — podcast · 14:04 · [machine version](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824.md)
- [The Colorectal Quiz Episode 9: Motility Disorders Part 2](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888) — podcast · 13:52 · [machine version](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888.md)
- [Colorectal Quiz: Episode 42 - HD Constipation](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506) — podcast · 14:48 · [machine version](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506.md)

### In-Depth Reviews
- [Intestinal Failure with Dr. Brad Warner](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296) — podcast · 52:46 · [machine version](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296.md)

## Chapters
- [0:00](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=0) Introduction and Episode Overview (Ep 1)
- [1:39](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=99) Definition and Prognostic Factors in Intestinal Failure (Ep 1)
- [5:29](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=329) Natural History and Outcomes in Short Gut Syndrome (Ep 1)
- [10:22](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=622) Medical Management and TPN Strategy (Ep 1)
- [17:51](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1071) Enteral Feeding Strategy and Intestinal Adaptation (Ep 1)
- [21:48](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1308) Indications for Surgical Intervention (Ep 1)
- [26:01](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1561) Surgical Techniques: Bianchi and STEP Procedures (Ep 1)
- [36:00](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2160) Bowel Tapering and Technical Considerations (Ep 1)
- [41:31](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2491) Management of TPN-Related Cholestasis and Bacterial Overgrowth (Ep 1)
- [43:35](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2615) Growth Factors and Future Therapies (Ep 1)
- [46:31](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2791) Intestinal Transplantation: Indications and Outcomes (Ep 1)
- [51:21](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=3081) Multidisciplinary Care and Closing Remarks (Ep 1)
- [0:00](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=0) Introduction and Episode Setup (Ep 2)
- [1:31](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=91) Case Presentation and Expert Introductions (Ep 2)
- [2:51](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=171) Defining Failure of Medical Management (Ep 2)
- [4:43](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=283) Initial Evaluation and Diagnostic Approach (Ep 2)
- [6:10](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=370) Contrast Enema Interpretation and Limitations (Ep 2)
- [8:45](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=525) Anorectal Manometry and Absent RAIR Finding (Ep 2)
- [11:20](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=680) Summary and Conclusion (Ep 2)
- [0:00](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=0) Introduction and Case Recap (Ep 3)
- [1:27](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=87) Diagnostic Workup: Sitz Marker Study and Anorectal Manometry (Ep 3)
- [4:35](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=275) Colonic Manometry and Nuclear Scintigraphy (Ep 3)
- [6:47](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=407) Interpreting Colonic Manometry Results (Ep 3)
- [10:07](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=607) Case Management and Treatment Philosophy (Ep 3)
- [12:37](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=757) Closing Remarks and Joke (Ep 3)
- [0:00](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=0) Introduction and Episode Setup (Ep 4)
- [1:24](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=84) Fundamentals of Colonic Motility and Manometry (Ep 4)
- [3:13](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=193) Transit Assessment Methods (Ep 4)
- [6:05](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=365) Colonic Contractions and High-Amplitude Propagated Contractions (Ep 4)
- [7:38](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=458) Manometry Catheter Placement and Tracing Interpretation (Ep 4)
- [9:30](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=570) Clinical Decision-Making and Treatment Algorithm (Ep 4)
- [11:10](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=670) Case Presentation: 13-Month-Old with Anal Stenosis and Gastroparesis (Ep 4)
- [0:00](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=0) Introduction and Program Context (Ep 5)
- [1:56](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=116) Defining Intestinal Failure and Intestinal Rehabilitation (Ep 5)
- [4:50](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=290) Three Categories of Intestinal Failure (Ep 5)
- [8:20](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=500) Timing of Diagnosis and Referral (Ep 5)
- [10:05](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=605) Team Approach and Future Challenges (Ep 5)
- [13:15](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=795) Series Goals and Closing (Ep 5)
- [0:00](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=0) Introduction to the intestinal rehabilitation series and guest experts (Ep 6)
- [1:46](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=106) Defining intestinal failure and the need for intestinal rehabilitation (Ep 6)

## Statements
Every statement is attributed, typed, and timestamped; the link is the citation.
- "Failure of medical management is defined as appropriate treatment with no appropriate response" — Kahleb Graham (clinical) [Ep 2 · 2:51](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=171)
- "Patients who cannot take treatment (e.g., kids with autism or other cognitive problems) are considered to have failed medical management" — Kahleb Graham (clinical) [Ep 2 · 3:04](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=184)
- "Patients with persistent symptoms or pain with treatment, or failure to grow, are considered to have failed medical management" — Kahleb Graham (clinical) [Ep 2 · 3:04](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=184)
- "Failure of retrograde enemas is considered failure of medical management" — Kahleb Graham (clinical) [Ep 2 · 3:21](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=201)
- "Reliance on rectal therapy or retrograde enemas with continued soiling causing significant effect on functioning is considered failure of medical management" — Anil Darbari (clinical) [Ep 2 · 3:35](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=215)
- "General pediatricians typically prescribe osmotic laxatives (MiraLax, lactulose) and stimulant laxatives (Senna, bisacodyl), but there are other medications GI specialists use that pediatricians are not accustomed to prescribing" — Anil Darbari (clinical) [Ep 2 · 3:57](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=237)
- "Some children stool every day but don't completely evacuate" — Anil Darbari (clinical) [Ep 2 · 4:58](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=298)
- "Initial evaluation includes history (triggers, stooling frequency, sensation of complete emptying), physical exam (abdominal distension, palpable stool, rectal exam), and diagnostic imaging (abdominal X-ray, water-soluble contrast enema)" — Anil Darbari (clinical) [Ep 2 · 4:46](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=286)
- "In patients with long-standing constipation where appropriate treatments have been tried and failed, the first step is diagnostic studies including contrast enema to assess colonic dilation, redundancy, and ensure normal ratio" — Kahleb Graham (clinical) [Ep 2 · 5:27](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=327)
- "Water-soluble contrast (not barium) is used for contrast enemas because it helps empty the colon and acts as a cleanout for patients starting new medical therapy" — Jason Frischer (clinical) [Ep 2 · 8:06](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=486)
- "Contrast studies are not great predictors of how patients will respond to medical or surgical management; normal-looking colons may not respond while abnormal-appearing colons may respond well" — Jason Frischer (clinical) [Ep 2 · 7:12](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=432)
- "The rectoanal inhibitory reflex (RAIR) is the response where the internal anal sphincter relaxes when the rectum becomes distended with stool" — Rod (host_summary) [Ep 2 · 9:11](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=551)
- "Anorectal manometry uses a catheter with sensors measuring pressure and a balloon to assess anal sphincter function and its relationship to the rectum" — Anil Darbari (clinical) [Ep 2 · 9:35](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=575)
- "High pressures on anorectal manometry may suggest underlying inability to relax, causing a functional obstruction" — Anil Darbari (clinical) [Ep 2 · 10:00](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=600)
- "Patients with Hirschsprung disease have an absent rectoanal inhibitory reflex (RAIR)" — Anil Darbari (clinical) [Ep 2 · 10:09](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=609)
- "Anorectal manometry provides information about defecation dynamics by having patients bear down, squeeze, and attempt to defecate, comparing sensation to defecate with internal anal sphincter response" — Anil Darbari (clinical) [Ep 2 · 10:19](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=619)
- "Doctor Levitt states he doesn't know how he survived without anorectal manometry testing" — Marc Levitt (opinion) [Ep 2 · 10:47](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=647)
- "In the past, surgeons did not understand the major role the sphincter played in many patients" — Jason Frischer (opinion) [Ep 2 · 10:51](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=651)
- "Colonic motility assessment is critical because in the past, colons or sigmoid colons were resected based on appearance, but patients had motility disorders and did not need resection" — Marc Levitt (clinical) [Ep 2 · 7:36](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=456)
- "Many dilated colons will respond to treatment" — Marc Levitt (clinical) [Ep 2 · 7:54](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=474)
- "Anorectal manometry is critical for determining whether a patient needs surgery or resection, as patients with motility disorders do not need surgery" — Rod (host_summary) [Ep 2 · 12:03](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-8-motility-disorders-part-1-3824?t=723)
- "Manometry is a catheter-based study of pressure changes within the lumen of the gut, involving visual pattern recognition of tracings to identify deviations from normal." — Ajay Hall (clinical) [Ep 4 · 1:24](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=84)
- "Colonic motility has four key components: diameter of the colon, tone, compliance of the colonic wall, and contraction pressures (how strong the contractions are)." — Ajay Hall (clinical) [Ep 4 · 1:34](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=94)
- "In megacolon, tone and compliance are usually abnormal, but colonic manometry may still show normal high-amplitude propagated contractions and transit may be normal." — Ajay Hall (clinical) [Ep 4 · 1:58](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=118)
- "There are three types of constipation: normal transit constipation, slow transit constipation (problem with neuromuscular integrity of colonic wall), and outlet obstruction or withholding (most common in anorectal malformation children)." — Ajay Hall (clinical) [Ep 4 · 2:35](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=155)
- "In a Sitz marker study, a patient should be able to pass all ingested radio-opaque markers in 5 days; markers remaining at 5 days indicate abnormal transit." — Ajay Hall (clinical) [Ep 4 · 3:19](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=199)
- "When Sitz markers are collected in the dilated rectum at 5 days, this is indicative of outlet obstruction or withholding." — Ajay Hall (clinical) [Ep 4 · 3:48](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=228)
- "When Sitz markers are scattered all over the colon at 5 days, this is indicative of slow transit constipation." — Ajay Hall (clinical) [Ep 4 · 4:06](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=246)
- "Scintigraphy studies colonic transit by tracking the geometric center of an ingested isotope and can identify specific colonic locations with transit issues." — Ajay Hall (clinical) [Ep 4 · 4:15](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=255)
- "The smart pill is a large capsule that measures pH, temperature, and pressure to assess transit from mouth to anus, but its size limits use to children approximately 10-12 years old or older." — Ajay Hall (clinical) [Ep 4 · 4:51](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=291)
- "There are two main types of colonic contractions: phasic (brief) or tonic (sustained), with segmental non-propagated contractions being the most common." — Ajay Hall (clinical) [Ep 4 · 6:05](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=365)
- "High-amplitude propagated contractions (HAPCs) move stool along the length of the colon and correspond to what radiologists see on contrast enema as mass movement." — Ajay Hall (clinical) [Ep 4 · 6:19](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=379)
- "The orthocolonic reflex (stimulus to colonic motility upon waking) and gastrocolonic reflex (stimulus upon eating) affect the timing of colonic contractions." — Ajay Hall (clinical) [Ep 4 · 6:45](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=405)
- "Sennosides or bisacodyl can be used to induce high-amplitude propagated contractions (HAPCs)." — Rod Gerardo (host_summary) [Ep 4 · 6:54](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=414)
- "The majority of HAPCs originate in the proximal colon, and most do not propagate beyond the midcolon; fewer than 5% reach the rectum." — Ajay Hall (clinical) [Ep 4 · 7:05](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=425)
- "When an HAPC occurs, the internal anal sphincter should relax (coloanal reflex) to allow stool evacuation." — Rod Gerardo (host_summary) [Ep 4 · 7:15](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=435)
- "Manometry catheters are typically placed during endoscopy, which allows evaluation of colonic mucosa, though interventional radiologists can also place them." — Ajay Hall (clinical) [Ep 4 · 7:48](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=468)
- "Fluoroscopy (C-arm) is used during manometry catheter placement to confirm exact positioning." — Rod Gerardo (host_summary) [Ep 4 · 8:06](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=486)
- "The rectal motor complex appears as multiple small spikes on manometry tracings at the rectum." — Ajay Hall (clinical) [Ep 4 · 8:33](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=513)
- "When an HAPC reaches the sigmoid or rectum, the internal anal sphincter relaxes to allow defecation." — Rod Gerardo (host_summary) [Ep 4 · 8:51](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=531)
- "Segmental dysmotility on manometry can show HAPCs present in the right colon but absent in the left colon." — Ajay Hall (clinical) [Ep 4 · 9:07](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=547)
- "Decisions about surgical intervention for segmental dysmotility are based not only on manometry but also on imaging (contrast enema), physical exam, and patient/family history." — Rod Gerardo (host_summary) [Ep 4 · 9:51](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=591)
- "If more than 40 to 50 centimeters of colon does not have HAPCs, that segment is considered dysfunctional colon." — Ajay Hall (clinical) [Ep 4 · 10:07](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=607)
- "The management approach at Cincinnati Children's is to maximize medical therapy and understand anatomic and functional issues before resorting to surgical intervention and potential resection." — Jason Frischer (opinion) [Ep 4 · 10:31](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=631)
- "The first step in management is to maximize stimulant laxatives to ensure evacuation; if that fails, irrigation or enemas are tried before considering surgical interventions." — Ajay Hall (clinical) [Ep 4 · 10:48](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=648)
- "Resection should not be performed immediately based on one abnormal finding; multiple factors must be considered." — Jason Frischer (opinion) [Ep 4 · 11:04](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=664)
- "The first step in evaluating a patient with suspected motility disorder is to ensure normal anatomy, which can be assessed with contrast studies." — Jason Frischer (clinical) [Ep 4 · 12:13](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=733)
- "In the presented case, duodenal and colonic manometry were normal, ruling out widespread dysmotility and confirming gastroparesis as the isolated abnormality." — Ajay Hall (clinical) [Ep 4 · 13:41](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=821)
- "Performing duodenal and colonic manometry in a patient with gastroparesis is valuable because it rules out more widespread dysmotility, which is especially important in patients with anorectal malformations." — Rod Gerardo (host_summary) [Ep 4 · 13:56](https://qa.library.globalcastmd.com/watch/colorectal-collaboration-neurogastroenterology-motility-disorders-4366?t=836)
- "Until recently, there was no standardized definition for intestinal failure." — Paul Wales (clinical) [Ep 5 · 1:56](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=116)
- "Intestinal failure is when gut function is insufficient to absorb enough nutrients, fluids, and calories to support survival and, in children, growth." — Paul Wales (clinical) [Ep 5 · 2:03](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=123)
- "New guidelines define intestinal failure as requiring parenteral support for at least 60 days due to inadequate intestinal function." — Rod Gerardo (host_summary) [Ep 5 · 2:24](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=144)
- "Earlier recognition and taking advantage of the gut's biology to adapt are time dependent." — Michael Helmrath (clinical) [Ep 5 · 2:40](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=160)
- "An intestinal rehabilitation program is a multidisciplinary collaborative patient care paradigm that brings coordinated care for children with intestinal failure through comprehensive management of their specialized nutrition and other associated needs, as defined in recent ASPEN guidelines." — Paul Wales (guideline) [Ep 5 · 3:03](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=183)
- "Intestinal rehabilitation requires managing comorbidities including sepsis and liver disease that challenge infant growth." — Rod Gerardo (host_summary) [Ep 5 · 3:33](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=213)
- "The intestinal rehabilitation approach streamlines care and improves communication with families and between care providers." — Paul Wales (clinical) [Ep 5 · 3:44](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=224)
- "Intestinal rehabilitation depends on nutrition in the gut, nutrition in the body, and healing." — Michael Helmrath (clinical) [Ep 5 · 4:07](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=247)
- "Pattern recognition from multiple experienced clinicians observing patients over time is essential in intestinal rehabilitation." — Michael Helmrath (clinical) [Ep 5 · 4:19](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=259)
- "Causes of intestinal failure divide into three categories: short bowel syndrome, motility disorders, and congenital enteropathies." — Paul Wales (clinical) [Ep 5 · 4:39](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=279)
- "Short bowel syndrome is by far the most common category of intestinal failure in pediatric patients." — Paul Wales (epidemiological) [Ep 5 · 4:50](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=290)
- "Causes of short bowel syndrome include congenital anomalies (intestinal atresia, malrotation, volvulus, gastroschisis, long segment Hirschsprung disease) and acquired neonatal diseases (necrotizing enterocolitis)." — Paul Wales (clinical) [Ep 5 · 5:06](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=306)
- "Motility disorders occur when abnormalities of intestinal muscle or the nerves controlling that muscle prevent coordinated propulsion of food and stool." — Paul Wales (clinical) [Ep 5 · 5:45](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=345)
- "Congenital enteropathies are conditions where patients have all their bowel but the mucosal lining does not digest or absorb properly." — Paul Wales (clinical) [Ep 5 · 6:17](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=377)
- "Mucosal defects in enteropathies lead to hypersecretion and profuse fluid losses, preventing nutrient absorption." — Ellen Encisco (host_summary) [Ep 5 · 6:30](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=390)
- "Some patients have elements of two or all three categories of intestinal failure in their presentation." — Paul Wales (clinical) [Ep 5 · 7:11](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=431)
- "Gastroschisis can involve all three categories: short bowel from nonviable tissue, inflammation affecting absorption, and motility issues." — Ellen Encisco (host_summary) [Ep 5 · 7:22](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=442)
- "Most intestinal failure patients are infants or babies, but some older pediatric patients develop intestinal failure from inflammatory bowel disease, Crohn disease complications, trauma, malignancy, or vascular thrombosis." — Paul Wales (epidemiological) [Ep 5 · 7:45](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=465)
- "Access and availability to intestinal rehabilitation programs is still very rare." — Rod Gerardo (host_summary) [Ep 5 · 8:41](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=521)
- "Three time points exist for diagnosis and referral to intestinal rehab: prenatal diagnosis (atresia with cystic fibrosis, gastroschisis), postnatal acquired problems (volvulus, NEC), and later presentations after discharge when patients fail to progress." — Michael Helmrath (clinical) [Ep 5 · 8:53](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=533)
- "Innovation in intestinal rehabilitation comes from multiple approaches to problems and different visions, with more expertise leading to better outcomes." — Michael Helmrath (opinion) [Ep 5 · 10:15](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=615)
- "Transitioning older children with intestinal failure into their late teen years and beyond is a major obstacle currently not being adequately addressed." — Michael Helmrath (clinical) [Ep 5 · 10:51](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=651)
- "The intestinal rehabilitation team includes dietitians (for nutritional needs), social workers, nurse practitioners, pharmacy, interventional radiology, pathology, endocrinology, and nephrology." — Michael Helmrath (clinical) [Ep 5 · 11:52](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=712)
- "Overall long-term survival in major intestinal rehabilitation programs is usually over 90%." — Rod Gerardo (host_summary) [Ep 5 · 12:34](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=754)
- "Long-term survivors now develop chronic comorbidities not previously seen to the same extent because patients did not live long enough, including renal dysfunction, metabolic bone disease, neurocognitive issues, and quality of life problems." — Paul Wales (clinical) [Ep 5 · 12:46](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-what-is-intestinal-rehab-episode-1-4741?t=766)
- "Until recently, there was no standardized definition for intestinal failure." — Paul Wales (guideline) [Ep 6 · 1:56](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=116)
- "Intestinal failure is a functional problem where gut function is insufficient to absorb enough nutrients, fluids, and calories to support survival and, in children, growth." — Paul Wales (clinical) [Ep 6 · 2:03](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=123)
- "New guidelines define intestinal failure as inadequate intestinal function requiring parenteral support for at least 60 days." — Rod Gerardo (host_summary) [Ep 6 · 2:24](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=144)
- "Earlier recognition and taking advantage of the gut's adaptive biology are time dependent." — Michael Helmrath (clinical) [Ep 6 · 2:40](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=160)
- "An intestinal rehabilitation program is a multidisciplinary collaborative patient care paradigm that brings coordinated care for children with intestinal failure through comprehensive management of their specialized nutrition and other associated needs, as defined in recent ASPEN guidelines." — Paul Wales (guideline) [Ep 6 · 3:03](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=183)
- "Intestinal rehabilitation requires managing comorbidities including sepsis and liver disease that challenge infant growth." — Rod Gerardo (host_summary) [Ep 6 · 3:33](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=213)
- "Intestinal rehabilitation streamlines care and improves communication between family and care providers through an amalgamation of experts providing holistic, comprehensive, coordinated care." — Paul Wales (clinical) [Ep 6 · 3:44](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=224)
- "Intestinal rehabilitation depends on key factors: nutrition in the gut, nutrition in the body, and healing." — Michael Helmrath (clinical) [Ep 6 · 4:07](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=247)
- "Pattern recognition from multiple expert eyes observing a patient over time is essential in intestinal rehabilitation." — Michael Helmrath (clinical) [Ep 6 · 4:19](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=259)
- "Short bowel syndrome is by far the most common category of intestinal failure in pediatric patients." — Paul Wales (epidemiological) [Ep 6 · 4:50](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=290)
- "Causes of short bowel syndrome are usually related to neonatal disorders including congenital anomalies (intestinal atresia, malrotation, volvulus, gastroschisis, long segment Hirschsprung disease) or acquired diseases (necrotizing enterocolitis)." — Paul Wales (clinical) [Ep 6 · 4:50](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=290)
- "Motility disorders occur when abnormalities of the intestinal muscle itself or the nerves controlling that muscle prevent coordinated propulsion of food and stool, making patients dependent on intravenous support." — Paul Wales (clinical) [Ep 6 · 5:45](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=345)
- "Enteropathies or congenital diarrheas are conditions where the patient has all of their bowel but the mucosal lining that digests and absorbs does not work, leading to hypersecretion and profuse fluid losses." — Paul Wales (clinical) [Ep 6 · 6:17](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=377)
- "Some patients will have elements of two or all three categories of intestinal failure; for example, gastroschisis can involve short bowel, inflammation affecting absorption, and motility issues." — Paul Wales (clinical) [Ep 6 · 7:11](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=431)
- "Although most intestinal failure patients are infants or babies, older pediatric patients can develop intestinal failure from inflammatory bowel disease, Crohn's disease complications, trauma, malignancy, or vascular thrombosis leading to gut loss." — Paul Wales (clinical) [Ep 6 · 7:45](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=465)
- "Families reach intestinal rehabilitation programs at three time points: prenatal diagnosis (typically atresia with cystic fibrosis or gastroschisis), postnatal acquired problems (volvulus or NEC), and later diagnosis after discharge when patients fail to progress." — Michael Helmrath (clinical) [Ep 6 · 8:53](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=533)
- "Innovation comes from multiple approaches to a problem and different visions; bringing in more expertise leads to better outcomes." — Michael Helmrath (opinion) [Ep 6 · 10:15](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=615)
- "Transitioning older children with intestinal failure into their late teen years and beyond is a major obstacle currently not being met." — Michael Helmrath (clinical) [Ep 6 · 10:51](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=651)
- "The intestinal rehabilitation team includes dietitians (understanding nutritional needs), social work, nurse practitioners, pharmacy, interventional radiology, pathology, and subspecialties including endocrinology and nephrology." — Michael Helmrath (clinical) [Ep 6 · 11:52](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=712)
- "Overall survival in big intestinal rehabilitation programs is usually over 90% long-term." — Rod Gerardo (host_summary) [Ep 6 · 12:34](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=754)
- "Improved survival has revealed chronic comorbidities not previously seen to the same extent because patients did not live long enough, including renal dysfunction, metabolic bone disease, neurocognitive issues, and quality of life concerns." — Paul Wales (clinical) [Ep 6 · 12:46](https://qa.library.globalcastmd.com/watch/intestinal-rehabilitation-episode-1-what-is-intestinal-rehabilitation-4742?t=766)
- "Intestinal failure is an umbrella term for when the small intestine is unable to absorb or digest enough nutrition to support the patient entirely by oral or enteral feeding" — Brad Warner (clinical) [Ep 1 · 1:42](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=102)
- "The intestine of a newborn or fetus doubles in length in the last trimester of gestation" — Brad Warner (clinical) [Ep 1 · 3:03](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=183)
- "A 24-25 week premature infant with 20-25 cm of bowel will likely increase to at least 50 cm just on the basis of growth alone" — Brad Warner (clinical) [Ep 1 · 3:13](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=193)
- "For a neonate with ileocecal valve and entire colon, 10-15 cm of small intestine is a ballpark figure for potential viability" — Brad Warner (clinical) [Ep 1 · 4:03](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=243)
- "Without the colon and ileocecal valve, at least 15-20 cm of small intestine would be needed for potential viability in a neonate" — Brad Warner (clinical) [Ep 1 · 4:37](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=277)
- "In adult studies, patients with less than 50 cm of intestine have about 40% mortality after 5-10 years" — Brad Warner (epidemiological) [Ep 1 · 4:51](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=291)
- "According to Pediatric Intestinal Failure Research Consortium data, of children on TPN for more than several months due to short gut syndrome: 25% die, 25% need transplant, and 50% can wean off TPN" — Brad Warner (epidemiological) [Ep 1 · 6:38](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=398)
- "Common causes of death in intestinal failure include liver failure, septic episodes from central line or bacterial overgrowth, variceal bleeding from liver disease, and loss of IV access" — Brad Warner (clinical) [Ep 1 · 7:11](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=431)
- "Intestinal adaptation in humans probably takes place over about a year or two after small bowel resection" — Brad Warner (clinical) [Ep 1 · 7:49](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=469)
- "The goal of management is to wean TPN and push enteral feeding, accepting stool outputs of up to 40 cc per kilo per day as the limit" — Brad Warner (clinical) [Ep 1 · 8:19](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=499)
- "The most common reasons children develop short gut syndrome are necrotizing enterocolitis, gastroschisis, midgut volvulus, and atresias" — Brad Warner (epidemiological) [Ep 1 · 9:22](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=562)
- "For TPN, target about 100-120 calories per kilo per day for total calories, with about 50% from glucose and remainder from fat and protein" — Brad Warner (clinical) [Ep 1 · 10:22](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=622)
- "Shoot for about 2-3 g of protein per kilo per day and about 2-3 g of fat per kilo per day in TPN" — Brad Warner (clinical) [Ep 1 · 10:45](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=645)
- "Begin enteral feeding as soon as feasible after resection and reanastomosis when they start stooling, generally starting with slow continuous drip" — Brad Warner (clinical) [Ep 1 · 11:06](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=666)
- "With continuous drip feeding, nutrient transporters are upregulated and ability to get more nutrition in may be advantageous" — Brad Warner (opinion) [Ep 1 · 11:23](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=683)
- "Want a baby to gain about 20-30 g a day, which approximates in utero progression for a newborn" — Brad Warner (clinical) [Ep 1 · 12:05](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=725)
- "Lipid reduction strategy takes fat from 2-3 g per kilo per day given daily down to about 1 g per kilo per day delivered twice or 3 times a week, which has been effective in reducing TPN-associated cholestasis" — Brad Warner (clinical) [Ep 1 · 12:53](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=773)
- "Omegaven is a fish oil-based fat containing primarily omega-3 fatty acids that are anti-inflammatory, compared to soybean-based intralipid with omega-6 fatty acids that are pro-inflammatory" — Brad Warner (clinical) [Ep 1 · 14:03](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=843)
- "When fish oil (omegaven) is introduced to children getting jaundiced, there has been demonstrated significant fall in their jaundice levels" — Brad Warner (clinical) [Ep 1 · 14:38](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=878)
- "SMOF lipid contains soybean-based lipid (essential fatty acids), medium chain triglycerides (more easily digested), olive oil, and fish oil, and has recently been FDA approved in the United States" — Brad Warner (clinical) [Ep 1 · 15:08](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=908)
- "Breast milk is the best choice for neonates because it contains proper fat, growth factors like EGF and IGF, and milk oligosaccharides that enhance adaptation" — Brad Warner (opinion) [Ep 1 · 18:11](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1091)
- "Complex formulas fed enterally may stimulate adaptation better than elemental formulas by causing secretion of enterotrophic hormones to a greater extent" — Brad Warner (opinion) [Ep 1 · 19:26](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1166)
- "There is a threshold percentage of enteral calories that prevents onset of liver damage from TPN, with 90% enteral feeding having far less risk of TPN-related cholestasis than 10% enteral" — Brad Warner (clinical) [Ep 1 · 21:19](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1279)
- "Time to consider surgical intervention is when enteral tolerance plateaus and then declines (going backward rather than forward), or with multiple sepsis episodes plus abdominal distention and dilated bowel loops, or when child starts getting jaundiced" — Brad Warner (clinical) [Ep 1 · 22:33](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1353)
- "Dilated bowel loops can cause subclinical portal bacteremia contributing to jaundice, and bacterial overgrowth causes secretory diarrhea that impairs enzyme function" — Brad Warner (clinical) [Ep 1 · 23:28](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1408)
- "More than 4-5 centimeters of bowel dilation with failure to advance enteral feeds or going backward is an indication for surgical intervention" — Brad Warner (clinical) [Ep 1 · 25:43](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1543)
- "If a child has over 100 centimeters of intestine, less than 5-10% should require TPN, suggesting there may be an underlying motility or mucosal problem" — Brad Warner (clinical) [Ep 1 · 27:53](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1673)
- "For bowel lengthening, need less than 100 cm (ideally less than 50 cm) of intestine and bowel that is at least 4-5 cm dilated" — Brad Warner (clinical) [Ep 1 · 28:37](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1717)
- "The STEP (serial transverse enteroplasty) procedure has emerged as the most commonly performed lengthening operation" — Brad Warner (epidemiological) [Ep 1 · 29:31](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1771)
- "The Bianchi procedure takes advantage of the V-shaped blood supply bifurcation before reaching the bowel wall, allowing creation of two tubes each supplied by one arm of the V" — Brad Warner (clinical) [Ep 1 · 30:00](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1800)
- "STEP procedure is easier to perform with less risk of injuring mesenteric blood supply because you only cut partially across the bowel at right angles" — Brad Warner (clinical) [Ep 1 · 32:30](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1950)
- "STEP can redilate requiring redo procedures, and outcomes are not as good if you have to redo a STEP compared to never needing a redo" — Brad Warner (clinical) [Ep 1 · 32:54](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=1974)
- "You can do a Bianchi and then later do a STEP on top of it, but you cannot do a Bianchi once a STEP has been done" — Brad Warner (clinical) [Ep 1 · 33:26](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2006)
- "In a case where a STEP was acting as a brake causing dysmotility, removing the distal stepped bowel allowed the patient to completely wean off TPN" — Brad Warner (clinical) [Ep 1 · 35:04](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2104)
- "Would taper a child with dilated bowel who had at least 90-100 centimeters of intestinal length" — Brad Warner (clinical) [Ep 1 · 38:23](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2303)
- "Strategies for TPN cholestasis include bile salts (chenodeoxycholic acid), changing lipid composition, and increasing enteral feeds" — Brad Warner (clinical) [Ep 1 · 39:00](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2340)
- "Dan Teitelbaum's trial of cholecystokinin to promote bile flow and mitigate TPN cholestasis did not work" — Brad Warner (clinical) [Ep 1 · 39:23](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2363)
- "Dilated bowel is a nidus for infection encouraging translocation of bacteria and endotoxin into portal circulation, damaging the liver" — Brad Warner (clinical) [Ep 1 · 39:51](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2391)
- "Medical management of bacterial overgrowth includes oral antibiotics (Cipro, Flagyl), probiotics (lactobacilli), prebiotics, and potentially fecal transplantation" — Brad Warner (clinical) [Ep 1 · 40:26](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2426)
- "The gut bacteria in short gut syndrome become more efficient, creating an obesogenic-like microbiome that helps adapt by encouraging greater absorption and digestion" — Brad Warner (clinical) [Ep 1 · 41:54](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2514)
- "In mouse studies, oral vancomycin to knock out gram-positive organisms completely prevented hepatic steatosis after bowel resection" — Brad Warner (clinical) [Ep 1 · 42:19](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2539)
- "Teduglutide (GLP-2 analog) has been shown in randomized prospective trials in adults to reduce TPN requirements by about 1-2 liters per week" — Brad Warner (clinical) [Ep 1 · 43:57](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2637)
- "Teduglutide is not yet approved for children in the United States, with concerns about malignancy risk due to promoting proliferation" — Brad Warner (clinical) [Ep 1 · 44:34](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2674)
- "Growth factors shown to promote adaptation in animal studies include EGF, HB-EGF (demonstrated by Gail Bessner), interleukins, and growth hormone with glutamine" — Brad Warner (clinical) [Ep 1 · 45:13](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2713)
- "Growth hormone and glutamine combinations in patients have shown primarily mixed results and are expensive" — Brad Warner (clinical) [Ep 1 · 45:46](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2746)
- "Survival for small bowel transplant is about 50-60% at 5 years, with one-year survivals now above 70-80%" — Brad Warner (epidemiological) [Ep 1 · 46:51](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2811)
- "The intestine is highly immunogenic, filled with white cells and macrophages that mount a huge graft-versus-host response, requiring industrial strength immunosuppression" — Brad Warner (clinical) [Ep 1 · 47:11](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2831)
- "Ethanol locks for central lines have significantly reduced the number of sepsis episodes in patients with short gut syndrome who have Broviac catheters" — Brad Warner (clinical) [Ep 1 · 49:22](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=2962)
- "Multidisciplinary teams including pharmacists, nutritionists, surgeons, GI doctors, ID specialists, and interventional radiologists improve survival in intestinal failure patients, as demonstrated in series from Boston, Michigan, and Texas" — Brad Warner (clinical) [Ep 1 · 51:20](https://qa.library.globalcastmd.com/watch/intestinal-failure-with-dr-brad-warner-296?t=3080)
- "The case patient is a 10-year-old male with chronic constipation, soiling, poor appetite, and a water-soluble contrast enema showing a tortuous, redundant, dilated colon full of stool." — Amanda Jensen (host_summary) [Ep 3 · 0:35](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=35)
- "Anorectal manometry in this patient showed an absent rectoanal inhibitory reflex (RAIR)." (host_summary) [Ep 3 · 1:03](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=63)
- "Colonic transit and colonic function must be assessed in this patient; it is not purely a sphincter issue." — Anil Darbari (clinical) [Ep 3 · 1:45](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=105)
- "The massively dilated colon is a result of colonic dysfunction, with dilatation predominantly in the rectosigmoid." — Anil Darbari (clinical) [Ep 3 · 2:04](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=124)
- "A Sitz marker study is recommended to assess colonic transit." — Kahleb Graham (clinical) [Ep 3 · 2:24](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=144)
- "Anorectal manometry should assess resting pressure; high resting pressure may indicate a patient amenable to anal Botox." — Kahleb Graham (clinical) [Ep 3 · 2:35](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=155)
- "Conscious rectal sensitivity threshold is tested by gradually inflating a balloon to determine when the patient has a sensation to defecate." — Kahleb Graham (clinical) [Ep 3 · 2:49](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=169)
- "Normal defecation physiology involves pushing from the belly (increasing intraabdominal pressure) and relaxing the anal sphincter, creating a positive pressure gradient." — Kahleb Graham (clinical) [Ep 3 · 3:00](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=180)
- "Motility disorder patients may have a negative pressure gradient during defecation, termed dyssynergia, and may benefit from pelvic floor physical therapy or biofeedback." — Kahleb Graham (clinical) [Ep 3 · 3:09](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=189)
- "Sitz marker study is performed by having the patient ingest markers and obtaining an X-ray at day 5." — Kahleb Graham (clinical) [Ep 3 · 3:39](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=219)
- "Sitz marker study is used as a screening test; if markers are scattered throughout the colon or predominantly on the right side, colonic manometry may be indicated." — Kahleb Graham (clinical) [Ep 3 · 3:48](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=228)
- "If all Sitz markers are at the bottom of the colon, it suggests an outlet issue rather than a transit problem." (host_summary) [Ep 3 · 4:07](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=247)
- "If all Sitz markers have disappeared on day-5 X-ray, the patient has stooled, even if they report not having done so; the markers do not dissolve." — Kahleb Graham (clinical) [Ep 3 · 4:13](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=253)
- "Sitz marker study should be available in most settings worldwide." — Marc Levitt (opinion) [Ep 3 · 4:35](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=275)
- "Colonic manometry is not available everywhere in the world." — Marc Levitt (epidemiological) [Ep 3 · 4:45](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=285)
- "Sitz markers can be used as a colonic transit study by obtaining X-rays at days 0, 1, 2, and 4 to visualize marker transit through the colon." — Anil Darbari (clinical) [Ep 3 · 4:51](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=291)
- "Sitz marker study is not a replacement for colonic manometry." — Amanda Jensen (host_summary) [Ep 3 · 5:17](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=317)
- "Nuclear scintigraphy is an alternative to colonic manometry in centers without manometry capability but with nuclear medicine capacity." — Marc Levitt (clinical) [Ep 3 · 5:32](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=332)
- "From a surgeon's perspective, three colonic motility scenarios must be distinguished: (1) diffusely slow but functional, (2) normal motility with a segmental problem, and (3) severely slow throughout." — Marc Levitt (clinical) [Ep 3 · 5:40](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=340)
- "Anorectal manometry is the gold standard for diagnosing motility disorders, but it is expensive and not available everywhere." (host_summary) [Ep 3 · 6:34](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=394)
- "Colonic manometry provides information on peristaltic activity, specifically the motion of the colon." — Anil Darbari (clinical) [Ep 3 · 7:07](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=427)
- "Normal colonic physiology includes two strong contractions per day, called high-amplitude propagating contractions (HAPCs)." — Anil Darbari (clinical) [Ep 3 · 7:21](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=441)
- "HAPCs start in the cecum and progress distally in a coordinated manner." — Anil Darbari (clinical) [Ep 3 · 7:32](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=452)
- "Presence of two HAPCs during an 18- or 24-hour colonic manometry study rules out colonic dysmotility." — Anil Darbari (clinical) [Ep 3 · 7:45](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=465)
- "Many patients undergoing colonic manometry have normal results, meaning they have slow transit but normal HAPCs." — Jason Frischer (clinical) [Ep 3 · 8:02](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=482)
- "If HAPCs are present throughout the colon, antegrade flush therapy is likely to work well." — Marc Levitt (clinical) [Ep 3 · 8:22](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=502)
- "Some patients have a true outlet issue with a normal colon on manometry." — Kahleb Graham (clinical) [Ep 3 · 8:38](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=518)
- "Colonic manometry can characterize whether contractions are well coordinated (neuropathic problem) or low amplitude (myopathic problem)." — Kahleb Graham (clinical) [Ep 3 · 8:47](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=527)
- "Contractions should propagate from the right colon to the rectum; the rectum does not have the same contractions as the colon." — Kahleb Graham (clinical) [Ep 3 · 9:03](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=543)
- "In Hirschsprung patients status post pull-through, the rectosigmoid brake is removed, and contractions may be seen extending from the right colon all the way to the sphincters." — Kahleb Graham (clinical) [Ep 3 · 9:12](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=552)
- "Even if HAPCs are present and colonic motility appears normal, absence of response to stimulants on manometry indicates abnormal colonic motility." — Anil Darbari (clinical) [Ep 3 · 9:36](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=576)
- "In this case, the team concluded the patient did not have Hirschsprung disease; the absent RAIR was a sampling error, and calretinin staining was positive." — Marc Levitt (clinical) [Ep 3 · 10:11](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=611)
- "Anorectal manometry showed the colon was diffusely slow, and the problem was primarily the sphincter." (host_summary) [Ep 3 · 10:26](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=626)
- "The patient was offered a Malone antegrade continence enema (MACE) for antegrade flushes, in combination with Botox and biofeedback physiotherapy." (host_summary) [Ep 3 · 10:38](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=638)
- "Over time, the colon may rehabilitate, and the patient may eventually need only laxatives, but mechanical emptying of the colon is a perfectly acceptable endpoint." — Marc Levitt (opinion) [Ep 3 · 10:50](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=650)
- "Enemas from below or from above (via Malone or cecostomy) are acceptable management; failure of this conservative therapy may then require resection." — Marc Levitt (clinical) [Ep 3 · 11:11](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=671)
- "Patients who fail conservative management are those with slow transit throughout or segmental disease." (host_summary) [Ep 3 · 11:24](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=684)
- "The vast majority of patients with segmental disease respond to antegrade enemas only and do not need resection." — Marc Levitt (clinical) [Ep 3 · 11:32](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=692)
- "Historically, colons were resected in patients who, in retrospect, likely had only motility disorders and did not need surgery." (host_summary) [Ep 3 · 12:03](https://qa.library.globalcastmd.com/watch/the-colorectal-quiz-episode-9-motility-disorders-part-2-3888?t=723)
- "Felipe Glu is a colorectal research fellow at Children's National Hospital" — Felipe Glu (clinical) [Ep 7 · 0:11](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=11)
- "Chris Geyer runs a colorectal program at Children's Hospital Los Angeles" (clinical) [Ep 7 · 0:41](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=41)
- "Hirschsprung's disease is a very anatomically fixable problem and with a good operation you should get a good result" (clinical) [Ep 7 · 1:38](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=98)
- "About one-third of Hirschsprung patients are constipated and need to be proactively and aggressively managed to avoid trouble" (epidemiological) [Ep 7 · 1:47](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=107)
- "Surgeons might leave behind the dilated segment right above the aganglionic segment as an anatomic reason for decompensation" (clinical) [Ep 7 · 2:11](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=131)
- "The most relevant reason for decompensation is that the patient never figured out how to successfully empty their sphincters and the pull-through decompensates" (clinical) [Ep 7 · 2:22](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=142)
- "Normal calretinin staining is expected because calretinin hangs out with ganglion cells" (clinical) [Ep 7 · 3:14](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=194)
- "In younger children age less than 3 or so, hypertrophic nerves are defined as greater than 40 microns in diameter" (clinical) [Ep 7 · 3:47](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=227)
- "The definition of hypertrophic nerve is more gray in older patients and in patients who have chronic constipation issues" (clinical) [Ep 7 · 4:01](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=241)
- "If there are no ganglion cells and no calretinin staining, that is a retained Hirschsprung's and that patient needs a redo to a higher level" (clinical) [Ep 7 · 4:27](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=267)
- "If there are good ganglion cells with abundant ganglion cells and normal calretinin, the nerve hypertrophy could represent transition zone or could represent that the bowel has decompensated over time because it hasn't emptied and gotten dilated" (clinical) [Ep 7 · 4:38](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=278)
- "An absent rectal anal inhibitory reflex means that the internal anal sphincter doesn't relax when the rectum is distended, which can contribute to constipation" — Felipe Glu (host_summary) [Ep 7 · 6:35](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=395)
- "The anorectal manometry is expected to be abnormal in Hirschsprung patients and many patients are going to have an abnormal amen but they're OK" (clinical) [Ep 7 · 6:46](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=406)
- "One of the things done with Botox is to try to get patients to learn to overcome non-relaxing sphincters by other maneuvers like pushing on their abdominal wall" (clinical) [Ep 7 · 6:56](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=416)
- "There are many patients that are completely asymptomatic doing great with Hirschsprung's that have residual absent RAIR" (clinical) [Ep 7 · 7:11](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=431)
- "In Hirschsprung patients with sphincter problems, the colon is not the problem; the problem usually is the sphincters or the pelvic floor" (clinical) [Ep 7 · 7:39](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=459)
- "If you get an awake anorectal manometry in a cooperative patient and you get a normal RAIR and can detect the resting pressure, the kid goes home with no anesthesia and no procedure" (clinical) [Ep 7 · 8:14](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=494)
- "If the RAIR is absent, you're obligated to do a biopsy and give Botox" (clinical) [Ep 7 · 8:29](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=509)
- "Botox is given if the resting pressure of the external sphincter is also high" (clinical) [Ep 7 · 8:36](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=516)
- "Pelvic floor dysynergia can be detected on anorectal manometry and is a good indication that pelvic floor physical therapy is going to help that patient" (clinical) [Ep 7 · 8:41](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=521)
- "HAPCs (high amplitude propagating contractions) aid in the transfer of colonic contents over long distance and often precede emptying" — Felipe Glu (host_summary) [Ep 7 · 11:17](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=677)
- "Colonic manometry should not be done in Hirschsprung patients who have obstructive symptoms because it's not the colon but the distal pull-through that's the problem" (clinical) [Ep 7 · 9:55](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=595)
- "You must rule out anatomic and pathologic causes before any colonic manometry is considered" (clinical) [Ep 7 · 10:11](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=611)
- "You must get rid of the distal obstruction, which is why colonic manometry in a patient with distal obstruction is the wrong test" (clinical) [Ep 7 · 10:18](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=618)
- "Once distal obstruction is ruled out or fixed and the colon is still not working, then you have a problem and that would be a case for colonic manometry" (clinical) [Ep 7 · 10:31](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=631)
- "The rule of thumb is if there's a segment less than 30 centimeters of inadequate HAPCs, they are not super aggressive about it; over 30 centimeters is definitely more of a red flag" (clinical) [Ep 7 · 11:01](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=661)
- "In a PCPLC Consortium study of close to 100 patients with functional constipation and segmental dysmotility of the sigmoid, 97% successfully responded to Malone only and never needed a resection" (epidemiological) [Ep 7 · 11:54](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=714)
- "Five years ago, surgeons were taking sigmoids out of patients with segmental dysmotility, but the new data shows this is not necessary" (clinical) [Ep 7 · 12:28](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=748)
- "A Malone procedure is a route for medical treatment that gives antegrade access to the colon for the gastroenterologist to give better medical treatment" (clinical) [Ep 7 · 13:24](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=804)
- "While surgery can correct the underlying anatomical problem in Hirschsprung disease, many other factors can contribute to constipation including motility disorders, pelvic floor dysfunction, and behavioral issues" — Felipe Glu (host_summary) [Ep 7 · 14:15](https://qa.library.globalcastmd.com/watch/colorectal-quiz-episode-42-hd-constipation-9506?t=855)

## Changelog
- Sep 9: Summaries and takeaways published for 4 audiences
- Aug 31: 18 doctors auto-found from episode dossiers
- Aug 30: 18 doctors auto-found from episode dossiers
- Aug 30: 18 doctors auto-found from episode dossiers
- Aug 30: Members-only episodes removed from this collection
- Aug 29: 18 doctors auto-found from episode dossiers
- Aug 29: 18 doctors auto-found from episode dossiers
- Aug 29: Collection generated from campaign corpus: 10 items, 10 dossiers, summaries for 4 audience(s)
- Aug 29: Collection reviewed and published
- Aug 29: Collection generated from campaign corpus: 8 items, 8 dossiers, summaries for 4 audience(s)

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Educational content from recorded physician discussions — not medical advice. Cite the canonical URL or the ?t= deep link. Policy: https://qa.library.globalcastmd.com/ai