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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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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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Was Motorized Spiral Enteroscopy Too Risky? A Systematic Review and Meta-Analysis Including German Registry Data.

Ingo Steinbrück1, Armin Kuellmer2, Siegbert Faiss3

  • 1Department of Medicine and Gastroenterology, Evangelisches Diakoniekrankenhaus Freiburg, Academic Teaching Hospital, University of Freiburg, Freiburg, Germany.

United European Gastroenterology Journal
|January 6, 2026
PubMed
Summary
This summary is machine-generated.

Motorized spiral enteroscopy (MSE) had higher adverse event (AE) and serious adverse event (SAE) rates compared to balloon enteroscopy. This indicates a need for careful adoption and monitoring of new endoscopic devices.

Keywords:
balloon enteroscopydevice‐assisted enteroscopyenteroscopymotorized spiral enteroscopysmall bowel endoscopy

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Area of Science:

  • Gastroenterology
  • Endoscopic technology
  • Patient safety

Background:

  • Motorized spiral enteroscopy (MSE) offered advancements in small-bowel examination but was withdrawn after a fatal esophageal injury.
  • This withdrawal prompted an investigation into potential missed safety signals associated with MSE.

Purpose of the Study:

  • To systematically compare the safety and efficacy of MSE against balloon-based enteroscopy (BBE).
  • To analyze adverse event (AE) rates and data quality between MSE and BBE.

Main Methods:

  • A systematic review and meta-analysis comparing MSE with double-balloon (DBE) and single-balloon enteroscopy (SBE).
  • Inclusion of data from the German PowerSpiral Registry (647 MSE procedures).
  • Analysis of 13 MSE studies and 55 BBE studies, totaling 12,559 enteroscopies.

Main Results:

  • MSE demonstrated significantly higher overall AE (10.8% vs. 1.6%) and serious AE (SAE) rates (1.5% vs. 0.4%) compared to BBE.
  • Procedure-related SAEs, esophageal injury, and intestinal perforation were more frequent with MSE.
  • AE reporting for MSE was detailed but lacked consistent follow-up and case tracking.

Conclusions:

  • MSE is associated with increased risks of adverse events compared to balloon enteroscopy.
  • Rigorous safety monitoring and improved AE reporting are crucial for novel endoscopic technologies.