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Related Concept Videos

Endoscopic Procedures II: Colonoscopy01:25

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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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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

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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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Endoscopic Procedures III: Video Capsule Endoscopy01:28

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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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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

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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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Lower GI Series: Barium Enema01:23

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A Barium Enema, or a lower GI series, is a specialized radiographic examination designed to visualize the lower gastrointestinal tract, specifically the colon and rectum. This procedure is instrumental in diagnosing various conditions such as colorectal cancer, polyps, diverticulosis, and inflammatory bowel disease.
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Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
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The current practice standard for colonoscopy in Australia.

Sujievvan Chandran1, Frank Parker2, Rhys Vaughan1

  • 1Department of Gastroenterology, Austin Health, Heidelberg, Victoria, Australia.

Gastrointestinal Endoscopy
|December 17, 2013
PubMed
Summary

Australian colonoscopy practices show variations in polypectomy techniques, with a majority favoring cold-snare for small polyps and double-passing for detection. This reflects a notable shift from earlier U.S. practices.

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Area of Science:

  • Gastroenterology
  • Endoscopy
  • Colorectal Cancer Screening

Background:

  • Colorectal cancer is a leading malignancy in Australia, despite high colonoscopy rates.
  • Understanding current colonoscopy and polypectomy practices is crucial for improving patient outcomes.

Purpose of the Study:

  • To document national colonoscopy and polypectomy practices in Australia.
  • To identify significant variations in practice based on specialty, location, and experience.
  • To compare Australian practices with a previous American cohort.

Main Methods:

  • An observational study utilizing an online national survey in 2012.
  • Participants included medical practitioners registered with the Gastroenterological Society of Australia who perform colonoscopies.
  • Data collected on polypectomy techniques, bleeding prophylaxis, and adenoma detection strategies.

Main Results:

  • The cold-snare technique was preferred for polyps up to 3 mm, while endoscopic mucosal resection (EMR) was favored for larger polyps (7-9 mm).
  • Predominant withdrawal techniques included double-passing high-risk areas and rectal retroflexion for adenoma detection.
  • Significant practice variations were observed across specialty, location, and experience levels.

Conclusions:

  • Variations in colonoscopy and polypectomy practices exist nationwide.
  • A majority of Australian practitioners favor cold-snare polypectomy for diminutive polyps and employ double-passing of high-risk areas.
  • Current Australian practices represent a significant shift compared to a U.S. cohort studied a decade prior.