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Endoscopic Procedures V: ERCP01:26

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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.
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An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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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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Updated: Oct 4, 2025

Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Achieving Total Enteroscopy by Consecutive Bidirectional Double-balloon Enteroscopy Procedures.

Liang Zhao1, An-Ning Yin2, Fei Liao2

  • 1Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, 430060, China. airmanzhao@whu.edu.cn.

Current Medical Science
|February 5, 2022
PubMed
Summary
This summary is machine-generated.

Consecutive bidirectional double-balloon enteroscopy (DBE) is a safe and effective method for total enteroscopy, achieving an 87.3% success rate. Starting with the retrograde approach improves outcomes and reduces procedure time.

Keywords:
double-balloon enteroscopyfeasibilitysafetytotal enteroscopy

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Area of Science:

  • Gastroenterology
  • Endoscopy
  • Medical Devices

Background:

  • Achieving total enteroscopy is challenging with traditional methods.
  • Double-balloon enteroscopy (DBE) offers a potential solution for deep small bowel examination.

Purpose of the Study:

  • To evaluate the feasibility and safety of total enteroscopy using consecutive bidirectional DBE.
  • To compare the efficacy of antegrade versus retrograde initial insertion routes.

Main Methods:

  • Retrospective analysis of 189 patients undergoing consecutive bidirectional DBE from 2014-2019.
  • Data collected included demographics, indications, insertion routes, procedure times, enteroscopy rates, diagnostic yield, and adverse events.

Main Results:

  • Total enteroscopy was achieved in 87.3% of patients.
  • The retrograde initial approach yielded higher success rates (90.9%) and shorter procedure times compared to the antegrade approach.
  • Diagnostic yield was 37.6%, higher in successful total enteroscopies.
  • Adverse event rate was low (2.1%) with no significant difference based on procedure duration.

Conclusions:

  • Consecutive bidirectional DBE is a safe and effective strategy for total enteroscopy.
  • The retrograde approach as the initial route is preferred for improved efficiency.
  • This method offers a promising alternative for prompt diagnosis in small bowel disorders.