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Related Concept Videos

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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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Updated: Jun 23, 2026

Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery
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Open versus closed laparoscopy entry--which are the evidences?

M Opilka1, J Starzewski, Z Lorenc

  • 1Clinical Department of Surgery and Coloproctology, St. Babara Memorial Hospital no. 5, Sosnowiec. mieszko.opilka@gmail.com

Hepato-Gastroenterology
|May 21, 2009
PubMed
Summary
This summary is machine-generated.

The open entry technique for laparoscopy is safer than the closed Veress needle technique, reducing surgical complications. However, higher-quality evidence is needed to confirm this finding for laparoscopic procedures.

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Area of Science:

  • Minimally Invasive Surgery
  • Surgical Techniques
  • Evidence-Based Medicine

Background:

  • The closed entry technique using a Veress needle is common but linked to significant complications.
  • The open entry technique is considered safer but less frequently used.
  • A comparative analysis of these laparoscopic entry methods is crucial.

Purpose of the Study:

  • To objectively compare the complication risks of open versus closed entry techniques for creating pneumoperitoneum.
  • To evaluate laparoscopic entry methods based on Evidence-Based Medicine (EBM) criteria.

Main Methods:

  • A literature review was conducted using Medline, Silesian University of Medicine resources, and Google.
  • Thirty-one studies comparing open and closed laparoscopic entry techniques were included.

Main Results:

  • The open approach was identified as safer in 17 studies (54.84%), while the closed approach was safer in only 3 studies (9.68%).
  • None of the studies demonstrating a clear advantage for either technique met the highest EBM recommendation grade (Grade A).

Conclusions:

  • The open entry technique appears to be associated with fewer surgical complications than the closed technique for laparoscopy.
  • Current evidence supporting the open technique's superiority is primarily from studies lacking the highest level of scientific evidence.
  • Further randomized controlled trials with robust statistical power are necessary to definitively establish the safety and efficacy of laparoscopic entry techniques.