Cefazolin Monotherapy Versus Cefazolin Plus Aminoglycosides for Antimicrobial Prophylaxis of Type III Open Fractures

Asad E. Patanwala, John J. Radosevich, Ian Meshay, Mandana Naderi, Mark A. Culver, Yong G. Lee, Jordan A. Weinberg, Moteb Khobrani, David E. Nix

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

BACKGROUND: There are conflicting recommendations between organizations regarding aminoglycoside use for the prophylaxis of type III open fractures. STUDY QUESTION: To compare cefazolin monotherapy versus cefazolin plus aminoglycoside therapy for prophylaxis of type III open fractures in trauma patients. STUDY DESIGN: This was a multicenter, retrospective, cohort study conducted in 3 academic medical centers in the United States. Consecutive adult trauma patients with type III open fractures between January 2014 and September 2016 were included. Patients were divided into 2 groups: (1) cefazolin monotherapy versus (2) cefazolin plus aminoglycoside. MEASURES AND OUTCOMES: The primary outcome measure was the occurrence of infection at the open fracture site. The secondary outcome measure was the occurrence of acute kidney injury. RESULTS: There were 134 patients included in the study cohort. Of these, 39 received cefazolin monotherapy and 95 received cefazolin plus aminoglycoside. Overall, the mean age was 39 ± 15 years, 105 (78%) were male, and the most common fracture location was tibia/fibula (n = 74, 56%). Infection at the open fracture site occurred in 6 of 39 patients (15%) in the cefazolin monotherapy group and 15 of 95 patients (16%) in the cefazolin plus aminoglycoside group (P = 1.000). Acute kidney injury occurred in 0 of 39 (0%) in the cefazolin monotherapy group and 1 of 95 (1%) in the cefazolin plus aminoglycoside group (P = 1.000). CONCLUSIONS: Cefazolin monotherapy may be appropriate for antimicrobial prophylaxis of type III open fractures in trauma patients.

Original languageEnglish (US)
Pages (from-to)e284-e291
JournalAmerican journal of therapeutics
Volume28
Issue number3
DOIs
StatePublished - Nov 25 2019

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)

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