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Related Experiment Videos

Are negative appendectomies still acceptable?

Kory Jones1, Alberto A Peña, Ernest L Dunn

  • 1Department of Surgery, Methodist Hospitals of Dallas, PO Box 655999, 1441 North Beckley Avenue, Dallas, TX 75265-5999, USA.

American Journal of Surgery
|December 28, 2004
PubMed
Summary

Increased use of computed tomography (CT) scans significantly reduced the negative appendectomy rate in community hospitals. This diagnostic imaging aid improved accuracy, lowering the negative appendectomy rate to 2% and reducing perforated appendicitis cases.

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Area of Science:

  • Medical Imaging
  • Surgical Outcomes
  • Diagnostic Accuracy

Background:

  • Assessing the impact of computed tomography (CT) on negative appendectomy (NA) rates in a community hospital setting.
  • Investigating trends in appendectomy procedures and diagnostic methods over a defined period.

Purpose of the Study:

  • To determine if increased utilization of CT scans correlated with a significant change in the negative appendectomy rate.
  • To evaluate the effectiveness of CT in improving diagnostic accuracy for acute appendicitis.

Main Methods:

  • Retrospective chart review of all appendectomies for acute appendicitis from January 2000 to December 2002.
  • Analysis of physical exam findings, CT scan results, and pathology reports.
  • No established protocol for CT use; scans performed at physician discretion.

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Main Results:

  • A progressive increase in CT utilization from 52% in 2000 to 86% in 2002.
  • A concurrent decrease in the negative appendectomy rate from 17% in 2000 to 2% in 2002.
  • Reduction in perforated appendicitis rate from 25% in 2000 to 9% in 2002.

Conclusions:

  • Appropriate utilization of CT scans aids in the diagnosis of acute appendicitis.
  • CT scan implementation can significantly decrease the negative appendectomy rate.
  • CT imaging improves diagnostic accuracy, leading to better patient outcomes and reduced unnecessary surgeries.