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Related Concept Videos

Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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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.
During an EGD, the endoscope can be used to:
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Endoscopic Procedures V: ERCP01:26

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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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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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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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Cleaning, Sterilization, and Disinfection01:30

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Cleaning, disinfection, and sterilization are the methods that help to break the infection chain and prevent disease.
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Related Experiment Video

Updated: Oct 9, 2025

Structured Approach to Colonoscopy Technique Optimization: A Single-Center Experience with Novice Endoscopists
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A narrative review on current duodenoscope reprocessing techniques and novel developments.

Maarten Heuvelmans1, Herman F Wunderink2, Henny C van der Mei3

  • 1Department of Medical Microbiology, University Medical Center Utrecht, G04.643, PO box 85500, 3508GA, Utrecht, The Netherlands. M.Heuvelmans-12@umcutrecht.nl.

Antimicrobial Resistance and Infection Control
|December 24, 2021
PubMed
Summary
This summary is machine-generated.

Duodenoscope infections persist despite reprocessing efforts. New, practical sampling methods and innovative reprocessing technologies are crucial to reduce contamination and enhance patient safety.

Keywords:
EndoscopyInfectionMultidrug-resistant EnterobacteralesOutbreakReprocessing

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Area of Science:

  • Infection control in healthcare settings
  • Medical device reprocessing
  • Gastroenterology

Background:

  • Duodenoscopy-associated infections are a global concern, often stemming from inadequate reprocessing.
  • Current microbial sampling protocols are too complex for widespread clinical use.
  • Existing supplemental reprocessing measures have proven costly and insufficient.

Purpose of the Study:

  • To highlight the need for standardized, practical sampling protocols for duodenoscopes.
  • To evaluate the efficacy of current supplemental reprocessing measures.
  • To discuss emerging reprocessing technologies for duodenoscopes.

Main Methods:

  • Review of existing literature on duodenoscope reprocessing and associated infections.
  • Analysis of data on the efficacy of supplemental reprocessing measures.
  • Identification of novel reprocessing techniques and technologies.

Main Results:

  • Duodenoscope contamination remains a significant issue despite current reprocessing standards and supplemental measures.
  • Supplemental measures have increased costs and reprocessing time without fully resolving contamination.
  • Several promising new reprocessing methods are emerging.

Conclusions:

  • There is an urgent need for improved, accessible sampling protocols to monitor duodenoscope contamination.
  • Current supplemental reprocessing strategies are inadequate.
  • Innovative solutions like single-use duodenoscopes and advanced sterilization methods show promise for future infection control.