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Ergonomic problems associated with laparoscopic surgery.

R Berguer1, D L Forkey, W D Smith

  • 1University of California Davis, School of Medicine, and VA Northern California Health Care System, 150 Muir Road (112), Martinez, CA 94553, USA.

Surgical Endoscopy
|May 5, 1999
PubMed
Summary
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Laparoscopic surgery instruments cause significant forearm and thumb muscle strain in surgeons. This ergonomic issue leads to pain and stiffness, impacting surgeon well-being and potentially surgical performance.

Area of Science:

  • Surgical Ergonomics
  • Minimally Invasive Surgery

Background:

  • The Society of American Gastrointestinal Endoscopic Surgeons (SAGES) Task Force on Ergonomics investigated ergonomic challenges in laparoscopic surgery.
  • Assessed the prevalence, causes, and consequences of operational difficulties linked to laparoscopic instrument use.

Purpose of the Study:

  • To evaluate the physical demands and surgeon discomfort associated with laparoscopic instrument handling.
  • To quantify muscle workload during simulated laparoscopic tasks.

Main Methods:

  • A questionnaire assessed surgeon-reported pain, stiffness, and numbness in various body areas post-laparoscopy.
  • An ergonomics station quantified forearm and thumb muscle workload using electromyogram (EMG) signals.
  • 27 surgeons performed simulated tasks with laparoscopic graspers and a hemostat.

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Main Results:

  • 8-12% of 149 surveyed surgeons reported frequent neck and upper extremity pain from laparoscopy.
  • Laparoscopic instruments required significantly greater forearm and thumb muscle effort compared to a hemostat (p < 0.01).

Conclusions:

  • Laparoscopic surgical techniques impose a greater physical burden on surgeons.
  • Findings highlight the need for ergonomic improvements in laparoscopic instrument design.