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Related Concept Videos

Intestinal Obstruction I: Introduction01:29

Intestinal Obstruction I: Introduction

Intestinal obstruction is a partial or complete blockage of the small or large intestine that disrupts the normal flow of intestinal contents through the lumen. This interruption impairs digestion, absorption, and fluid balance, and may lead to serious complications if not treated promptly.Mechanical ObstructionMechanical obstruction occurs when a physical blockage prevents intestinal contents from passing, arising from within the lumen or the bowel wall, or from external compression.Adhesions,...
Intestinal Obstruction II: Pathophysiology01:07

Intestinal Obstruction II: Pathophysiology

Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...
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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:
Large Intestine01:09

Large Intestine

The large intestine is divided into three main regions: the cecum, colon, and rectum. Extending from the ileocecal valve to the anus, it frames the small intestine on three sides.
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Anatomy of the Intestines01:23

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Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, and electrolytes from food and drink also occurs in the intestine. The intestines can be divided into two structurally distinct organs—the small and large intestines.
Small Intestines
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Inflammatory Bowel Disease I: Introduction01:26

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Inflammatory bowel disease is a group of chronic disorders marked by recurrent inflammation of the gastrointestinal tract due to an abnormal immune response against gut microflora. This leads to tissue damage. The two main forms are Crohn’s disease and ulcerative colitis.Crohn’s DiseaseCrohn’s disease is a relapsing inflammatory disorder that can affect any part of the GI tract, from the mouth to the anus. It involves all layers of the bowel wall (transmural) and shows “skip lesions” in which...

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Related Experiment Video

Updated: Jun 17, 2026

Murine Ileocolic Bowel Resection with Primary Anastomosis
08:49

Murine Ileocolic Bowel Resection with Primary Anastomosis

Published on: October 29, 2014

Intestinal intussusception.

Susan M Cera1

  • 1Physicians Regional Medical Center, Medical Surgical Specialists, Naples, FL 34119, USA. susan.cera@pmc.hma.org

Clinics in Colon and Rectal Surgery
|December 17, 2009
PubMed
Summary
This summary is machine-generated.

Intussusception, or bowel telescoping, differs in children and adults. Pediatric cases are often idiopathic and treated nonoperatively, while adult intussusception requires surgery due to lead points, posing diagnostic challenges.

Keywords:
Intussusceptionintestinal obstruction

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Area of Science:

  • Gastroenterology
  • Pediatric Surgery
  • Surgical Oncology

Background:

  • Intussusception involves bowel telescoping, with distinct causes and management in pediatric versus adult patients.
  • Pediatric intussusception is frequently idiopathic, often ileocolic, linked to developmental and infectious factors.
  • Adult intussusception typically arises from a lead point (mucosal, intramural, or extrinsic) causing bowel invagination.

Purpose of the Study:

  • To delineate the differing etiologies, diagnostic approaches, and treatment strategies for intussusception in pediatric and adult populations.
  • To highlight the diagnostic challenges and controversial intraoperative management in adult intussusception.
  • To contrast the standardized nonoperative approach in children with the surgical necessity in adults.

Main Methods:

  • Review of existing literature on pediatric and adult intussusception.
  • Comparative analysis of diagnostic modalities and treatment outcomes.
  • Examination of etiological factors, including lead points in adults and idiopathic causes in children.

Main Results:

  • Pediatric intussusception commonly presents as ileocolic and is managed with nonoperative reduction (air/contrast enemas).
  • Adult intussusception is associated with a lead point, necessitating surgical intervention.
  • Diagnosis in adults is challenging preoperatively, and intraoperative management remains a subject of debate.

Conclusions:

  • Intussusception management requires distinct strategies based on patient age due to differing underlying causes and diagnostic considerations.
  • Early diagnosis and appropriate intervention are crucial for both pediatric and adult intussusception.
  • Further research may clarify optimal intraoperative management for adult intussusception.