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Appendectomy. Improving care through quality improvement

D A Hale1, D P Jaques, M Molloy

  • 1Quality Assurance Office, Assistant Secretary of Defense (Health Affairs), Washington, DC., USA.

Archives of Surgery (Chicago, Ill. : 1960)
|February 1, 1997
PubMed
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Appendectomy outcomes, including perforation and negative appendectomy rates, are largely influenced by patient factors and primary care, not surgical delays. Surgeons have limited control over these appendicitis outcomes.

Area of Science:

  • Surgical Quality Improvement
  • Appendectomy Outcomes Analysis
  • Health Services Research

Background:

  • Appendectomy is a common surgical procedure, but variations in practice and outcomes exist.
  • Quality improvement initiatives are crucial for optimizing surgical care within large healthcare systems.

Purpose of the Study:

  • To evaluate appendectomy practices and outcomes across Department of Defense (DoD) hospitals.
  • To identify factors influencing negative appendectomy and perforation rates.

Main Methods:

  • A large-scale, 12-month case series study of 4950 nonincidental appendectomies.
  • Analysis of data from 147 DoD hospitals worldwide.
  • Investigation of inpatient and outpatient delays on perforation and negative appendectomy rates.

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Main Results:

  • The study included 4950 appendectomies, with 12.8% negative, 66.4% acute appendicitis, and 20.9% perforative appendicitis.
  • Perforation often occurred before healthcare system contact or surgical evaluation.
  • Neither outpatient nor inpatient delays significantly altered negative appendectomy rates.

Conclusions:

  • Perforation rates are primarily driven by patient- and primary care-related factors beyond surgeon control.
  • Negative appendectomies result from overlapping symptoms between appendicitis and other conditions.
  • System-level analysis is valuable, but individual surgeon-level analysis is limited by procedure volume.