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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.
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Related Experiment Video

Updated: Jun 4, 2026

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Quadratus Lumborum Block During Minimally Invasive Colorectal Surgery: A Tool for Enhanced Recovery.

Leonardo E Garcia1, Luisa Maldonado, Rebekah Bihun

  • 1Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.

Diseases of the Colon and Rectum
|June 2, 2026
PubMed
Summary

Adding a quadratus lumborum block to the transversus abdominis plane block in colorectal surgery patients may reduce postoperative pain and hospital stay. This enhanced recovery after surgery technique shows promise for improved patient outcomes.

Keywords:
Enhanced recovery after surgeryLaparoscopic surgeryOutcomesPainRegional anesthesiaRobotic surgery

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Published on: June 25, 2013

Area of Science:

  • Anesthesiology
  • Colorectal Surgery
  • Regional Anesthesia

Background:

  • Multimodal opioid-sparing analgesia is key in enhanced recovery after surgery protocols for colorectal procedures.
  • Common regional techniques include transversus abdominis plane (TAP) block, rectus sheath blocks, or wound catheters.
  • The quadratus lumborum block (QLB) is a newer technique proposed for improved visceral analgesia.

Purpose of the Study:

  • To evaluate the efficacy of intraoperative QLB compared to other regional anesthetic techniques in colorectal surgery.
  • To compare QLB's impact on pain, opioid use, and recovery metrics.

Main Methods:

  • Retrospective, observational study at a tertiary care academic medical center.
  • Adult patients undergoing minimally invasive colectomy or low anterior resection (Sept 2022 - Sept 2024).
  • Groups: no regional block, TAP block alone, or TAP block + QLB, using 0.25% bupivacaine.

Main Results:

  • 224 patients included; 50% received TAP + QLB.
  • Postoperative day 2 opioid requirements and pain scores were lower in the TAP + QLB group.
  • Median length of stay was shorter (2 days vs. 3 days) with TAP + QLB (p < 0.001).
  • TAP + QLB was associated with lower pain scores and earlier return of bowel function on multivariable analysis.

Conclusions:

  • Surgeon-administered QLB combined with TAP block is a feasible option for minimally invasive colorectal surgery within ERAS programs.
  • Favorable outcomes include reduced pain and earlier bowel function recovery.
  • Randomized trials are needed to confirm benefits of TAP + QLB in this patient population.