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Related Concept Videos

Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Diverticular Disease of the Colon01:27

Diverticular Disease of the Colon

Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by transmural...
Inflammatory Bowel Disease II: Ulcerative Colitis01:20

Inflammatory Bowel Disease II: Ulcerative Colitis

Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal BarrierA...
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...

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Related Experiment Video

Updated: Jun 20, 2026

Functional Assessment of Intestinal Motility and Gut Wall Inflammation in Rodents: Analyses in a Standardized Model of Intestinal Manipulation
09:44

Functional Assessment of Intestinal Motility and Gut Wall Inflammation in Rodents: Analyses in a Standardized Model of Intestinal Manipulation

Published on: September 11, 2012

The dilated bowel: a liability and an asset.

A Bianchi1, A Morabito

  • 1Royal Manchester Children's Hospital, Department of Paediatric Reconstructive Surgery-Urology, Manchester, United Kingdom. bianchi54@gmail.com

Seminars in Pediatric Surgery
|September 29, 2009
PubMed
Summary

Bowel dilatation, a response to obstruction, can lead to intestinal failure but also provides tissue for reconstruction. Structured programs can enhance bowel adaptation, improving long-term survival and quality of life.

Related Experiment Videos

Last Updated: Jun 20, 2026

Functional Assessment of Intestinal Motility and Gut Wall Inflammation in Rodents: Analyses in a Standardized Model of Intestinal Manipulation
09:44

Functional Assessment of Intestinal Motility and Gut Wall Inflammation in Rodents: Analyses in a Standardized Model of Intestinal Manipulation

Published on: September 11, 2012

Area of Science:

  • Gastroenterology
  • Surgical Reconstruction
  • Intestinal Adaptation

Background:

  • Gastrointestinal obstruction causes proximal bowel dilatation and hypertrophy.
  • Excessive dilatation impairs motility and absorption, increasing morbidity and risk of intestinal failure.
  • Dilated bowel segments offer valuable autologous material for surgical reconstruction.

Purpose of the Study:

  • To review the impact and management of bowel dilatation in the gastrointestinal tract.
  • To highlight the role of bowel dilatation and elongation in intestinal adaptation.
  • To discuss the potential of structured bowel expansion programs.

Main Methods:

  • Review of existing literature on bowel obstruction, dilatation, and adaptation.
  • Analysis of the physiological responses to mechanical or functional obstruction.
  • Discussion of surgical reconstruction techniques utilizing dilated bowel segments.
  • Exploration of induced bowel elongation and dilatation programs.

Main Results:

  • Bowel dilatation proximal to obstruction is a significant factor in intestinal failure.
  • Dilated bowel provides essential autologous tissue for reconstruction.
  • Bowel elongation and dilatation are key components of intestinal adaptation.
  • Structured bowel expansion programs can enhance absorptive capacity.

Conclusions:

  • Bowel dilatation, while a liability, is a crucial asset for autologous reconstruction.
  • Induced bowel dilatation and elongation are vital for restoring gastrointestinal function and enteral autonomy.
  • Management strategies should leverage bowel dilatation for improved patient outcomes and long-term survival.