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Related Concept Videos

Intestinal Obstruction I: Introduction01:29

Intestinal Obstruction I: Introduction

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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,...
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Intestinal Obstruction II: Pathophysiology01:07

Intestinal Obstruction II: Pathophysiology

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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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Pyloric Obstruction01:11

Pyloric Obstruction

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Pyloric obstruction, also referred to as gastric outlet obstruction, is a condition characterized by narrowing or blockage at the pylorus—the muscular valve regulating the flow of stomach contents into the duodenum. When this passage becomes impaired, the stomach cannot effectively empty its contents into the small intestine. This disruption leads to a range of gastrointestinal symptoms, including early satiety, bloating, epigastric pain, postprandial nausea, persistent vomiting, and...
76
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

926
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:
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Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

1.3K
Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
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Appendicitis01:19

Appendicitis

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Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
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Related Experiment Video

Updated: May 5, 2026

An Ivor Lewis Esophagectomy Designed to Minimize Anastomotic Complications and Optimize Conduit Function
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An Ivor Lewis Esophagectomy Designed to Minimize Anastomotic Complications and Optimize Conduit Function

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Closed loop obstruction: pictorial essay.

A Mbengue1, A Ndiaye1, T O Soko1

  • 1Département d'imagerie médicale, hôpital Principal, 1, avenue Nelson-Mandela, BP 3006, Dakar, Senegal.

Diagnostic and Interventional Imaging
|December 3, 2013
PubMed
Summary
This summary is machine-generated.

Closed loop obstruction, a serious bowel condition, requires immediate surgery due to high risks. Differentiating it from simple bowel obstruction is crucial for timely and appropriate patient treatment.

Keywords:
Closed loop obstructionIncarcerationVolvulus

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Area of Science:

  • Gastroenterology
  • Surgical Pathology

Background:

  • Closed loop obstruction involves bowel incarceration at two points.
  • Diagnosis relies on identifying multiple transitional zones on imaging.
  • Distinct imaging findings include U/C-shaped or radial incarcerated loops.

Purpose of the Study:

  • To highlight the critical importance of distinguishing closed loop obstruction from simple bowel obstruction.
  • To emphasize the urgent need for surgical intervention in closed loop obstruction cases.

Main Methods:

  • Review of diagnostic criteria for bowel obstruction.
  • Analysis of imaging features characteristic of closed loop obstruction.
  • Comparison of management strategies for simple versus closed loop obstruction.

Main Results:

  • Closed loop obstruction presents with specific imaging patterns (transitional zones, loop shapes).
  • Simple bowel obstruction may allow for conservative management.
  • Delayed diagnosis of closed loop obstruction significantly increases morbidity and mortality risk.

Conclusions:

  • Accurate diagnosis of closed loop obstruction is paramount for patient outcomes.
  • Surgical intervention is mandatory for closed loop obstruction.
  • Early recognition and surgical treatment are key to reducing mortality associated with this condition.