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Related Experiment Videos

High negative appendectomy rates are no longer acceptable

M Colson1, K A Skinner, G Dunnington

  • 1Department of Surgery, University of Southern California School of Medicine, Los Angeles 90033, USA.

American Journal of Surgery
|December 31, 1997
PubMed
Summary

Minimizing negative appendectomies is achievable while maintaining acceptable perforation rates. Late patient presentation significantly increases the risk of perforated appendicitis, highlighting the need for prompt diagnosis and treatment.

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Reply from the authors.

British journal of anaesthesia·2013

Area of Science:

  • Surgical outcomes
  • Gastrointestinal surgery
  • Emergency medicine

Background:

  • A 10-20% negative appendectomy rate is standard to reduce perforated appendicitis complications.
  • Appendicitis diagnosis and treatment delays can increase morbidity.

Purpose of the Study:

  • To determine negative appendectomy and perforation rates.
  • To evaluate the impact of diagnostic and treatment delays on appendicitis outcomes.

Main Methods:

  • Retrospective review of 659 appendectomies over 12 months.
  • Exclusion of incidental and pediatric appendectomies.

Main Results:

  • Nine percent of appendectomies were negative; 28% had perforated appendicitis.
  • Perforation increased morbidity and hospital stay.

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  • Presentation delay >12 hours significantly raised perforation rates; in-hospital delay did not.

    • Conclusions:

    • Achieved a low negative appendectomy rate with an acceptable perforation rate.
    • Late presentation is the primary driver of perforated appendicitis.