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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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Related Experiment Video

Updated: Jul 8, 2026

Deep Neuromuscular Blockade Leads to a Larger Intraabdominal Volume During Laparoscopy
08:50

Deep Neuromuscular Blockade Leads to a Larger Intraabdominal Volume During Laparoscopy

Published on: June 25, 2013

Standard vs. Lower Pressure Pneumoperitoneum in Laparoscopic Gynecologic Surgery: A Randomized Controlled Trial.

Rebecca Schneyer1, Raanan Meyer1, Ogechukwu Ezike1

  • 1Department of Obstetrics and Gynecology, Cedars-Sinai Medical Center, 8635 W 3rd St #290W, Los Angeles, CA 90048.

American Journal of Obstetrics and Gynecology
|July 6, 2026
PubMed
Summary

Lower insufflation pressures in laparoscopic gynecologic surgery did not reduce postoperative pain or opioid use. Operative field visualization remained adequate across tested pressures, suggesting individualized pressure settings may be beneficial.

Keywords:
Insufflationlaparoscopypneumoperitoneumpostoperative painpressure

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Published on: October 25, 2024

Area of Science:

  • Minimally invasive gynecologic surgery
  • Laparoscopic surgical techniques
  • Pain management in surgery

Background:

  • Postoperative pain following laparoscopic surgery can impede recovery and increase opioid consumption.
  • While lower insufflation pressures are known to reduce pain in general surgery, their effect in gynecologic procedures is not well-documented.

Purpose of the Study:

  • To evaluate the impact of varying insufflation pressures on postoperative pain and surgical field visualization in patients undergoing laparoscopic gynecologic surgery.
  • To compare outcomes between 10 mmHg, 12 mmHg, and 15 mmHg insufflation pressures.

Main Methods:

  • A randomized controlled trial involving 147 patients undergoing conventional laparoscopy.
  • Patients were assigned to 10 mmHg, 12 mmHg, or 15 mmHg insufflation pressures.
  • Primary outcome was maximum post-anesthesia care unit (PACU) pain score; secondary outcomes included visualization, operative time, and opioid use.

Main Results:

  • No significant differences in maximum PACU pain scores were observed among the three pressure groups (P = 0.59).
  • Surgeon satisfaction with operative field visualization improved with higher pressures (83.3% at 10 mmHg vs. 100% at 15 mmHg; P < 0.001).
  • No differences in opioid use or other secondary outcomes were noted.

Conclusions:

  • Lower insufflation pressures (10-15 mmHg) did not decrease postoperative pain or opioid requirements in this laparoscopic gynecologic surgery cohort.
  • Adequate operative field visualization was maintained, even at 10 mmHg, with improvements at 12 mmHg and 15 mmHg.
  • Individualization of insufflation pressure based on patient factors is supported, as intraoperative adjustments were uncommon.