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Selective versus routine antibiotic use in acute appendicitis.

B L Nguyen1, S Raynor, J S Thompson

  • 1Department of Surgery, University of Nebraska Medical Center, Omaha 68198-3280.

The American Surgeon
|May 1, 1992
PubMed
Summary
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Routine prophylactic antibiotics for appendicitis, especially perforated cases, reduced infection rates without increasing overall complications. This study compared selective versus routine antibiotic use in appendectomy patients.

Area of Science:

  • Surgery
  • Infectious Diseases
  • Pharmacology

Background:

  • The optimal strategy for antibiotic use in appendicitis management is debated.
  • Selective antibiotic administration for suspected perforation versus routine prophylaxis requires evaluation.

Purpose of the Study:

  • To compare infectious complication rates between selective and routine prophylactic antibiotic use in appendectomy patients.
  • To assess the impact of routine antibiotic prophylaxis on outcomes in simple and perforated appendicitis.

Main Methods:

  • A comparative study of 312 adult patients undergoing appendectomy.
  • Analysis of outcomes during periods of selective (n=153) and routine (n=159) antibiotic administration.
  • Comparison of diagnostic accuracy, perforation rates, antibiotic usage patterns, and infectious complication incidence.

Related Experiment Videos

Main Results:

  • Routine antibiotic use significantly increased prophylaxis frequency for both simple and perforated appendicitis.
  • Patients with perforated appendicitis had a lower infection rate (20% vs. 45%) during routine antibiotic use.
  • Overall infection rates remained similar (16% vs. 22%) between selective and routine periods, despite a higher proportion of perforated appendicitis in the routine group.

Conclusions:

  • Routine prophylactic antibiotic use in appendicitis is associated with reduced infectious complications in high-risk patients with perforated appendicitis.
  • The study supports routine antibiotic prophylaxis, demonstrating its safety and efficacy without increasing overall infection rates.
  • Single-drug regimens, often cephalosporins, were frequently used in the routine group, indicating a shift towards simpler antibiotic protocols.