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Related Concept Videos

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
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Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

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Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
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Esophageal Strictures-II: Clinical Features and Management01:26

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Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
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Esophageal Perforation-II: Clinical Manifestations and Management01:28

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Esophageal perforations manifest in various clinical forms, influenced by factors such as the perforation's cause and location (cervical, intrathoracic, or intra-abdominal), the extent of contamination, and potential injury to adjacent mediastinal structures. The timing between the perforation occurrence and treatment initiation also affects the clinical presentation.
Clinical Manifestations:
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Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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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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Endoscopic Procedures II: Colonoscopy01:25

Endoscopic Procedures II: Colonoscopy

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The colon, or large intestine, is the final segment of the digestive system. Its primary functions include absorbing water and vitamins produced by gut bacteria and transforming waste from liquid to solid to form stool. In adults, the large intestine is approximately 5 feet long and consists of four main sections:
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Related Experiment Video

Updated: Mar 8, 2026

Spinal Hernia Repair and Cauda Equina Repositioning After Lumbar Decompression under Three-Dimensional Microscopy: A Case Report and Literature Review
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Spinal Hernia Repair and Cauda Equina Repositioning After Lumbar Decompression under Three-Dimensional Microscopy: A Case Report and Literature Review

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Clinical Factors Associated With Endoscopic Decompression Failure and Recurrent Sigmoid Volvulus: A Retrospective

Seoyoon Choi1, Hye Kyung Hyun2, Jihye Park1

  • 1Division of Gastroenterology, Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.

Journal of Gastroenterology and Hepatology
|March 7, 2026
PubMed
Summary

Younger patients and severe colonic distension predict endoscopic decompression failure in sigmoid volvulus. Severe distension and longitudinal elongation are linked to recurrence, guiding treatment strategies.

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Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Medical Imaging

Background:

  • Sigmoid volvulus is a critical condition in older adults, but prognostic factors remain unclear.
  • Understanding these factors is crucial for effective patient management and outcomes.

Purpose of the Study:

  • To evaluate clinical outcomes in sigmoid volvulus patients.
  • To identify prognostic factors influencing endoscopic decompression success and recurrence.

Main Methods:

  • Retrospective cohort study of 75 sigmoid volvulus patients diagnosed via abdominal CT.
  • Logistic regression analyzed endoscopic decompression failure; Cox regression assessed recurrence.
  • Exclusion criteria included emergent surgery, refusal of endoscopic treatment, or spontaneous decompression.

Main Results:

  • 80% of patients improved with endoscopic decompression; 20% failed.
  • Younger age (≤65 years) and severe colonic distension (≥85mm) predicted decompression failure.
  • Recurrence rates were 30% at 1 year and 36.7% at 3 years.
  • Severe colonic distension (≥85mm) and longitudinal colon length (≥230mm) predicted recurrence.

Conclusions:

  • Younger age and severe colonic distension are associated with endoscopic decompression failure.
  • Severe colonic distension and marked longitudinal elongation independently predict sigmoid volvulus recurrence.
  • Findings support early surgical consultation for high-risk patients and inform resection planning.