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Infections in vascular operations
Abstract:
During the period 1973-79, 26 infections occurred in 931 vascular operations. The overall infection rate was 2.8%, and 80% of the infections occurred in groin incisions. There was a significantly higher infection rate when a synthetic graft was inserted, when there was an infected foot ulcer prior to operation, or when early reoperation was necessary. Several regimens of antibiotic treatment are described. The current practice of a short perioperative course of cefazolin, combined with irrigation of the wound with 1% povidone-iodine solution before closure of the skin resulted in an acceptably low rate of infection (less than 2%) during the last three years of the study period. There is no advantage in continuing postoperative antibiotic therapy for more than one to three days.
Insights
Vascular surgery site infections, particularly in groin incisions, were reduced to below 2% using cefazolin and povidone-iodine irrigation. Postoperative antibiotics beyond three days showed no added benefit for preventing surgical site infections.
Area of Science:
- Vascular Surgery
- Infectious Disease Epidemiology
Background:
- Surgical site infections (SSIs) are a significant complication in vascular operations.
- Groin incisions are particularly vulnerable, accounting for 80% of infections in this study.
Purpose of the Study:
- To evaluate infection rates in vascular operations.
- To identify risk factors for SSIs.
- To assess the efficacy of different antibiotic regimens and prophylactic measures.
Main Methods:
- Retrospective analysis of 931 vascular operations from 1973-79.
- Categorization of infection rates based on surgical factors and preoperative conditions.
- Comparison of various antibiotic treatments and wound care protocols.
Main Results:
- Overall infection rate was 2.8%, with 80% in groin incisions.
- Higher infection rates were associated with synthetic grafts, pre-existing foot ulcers, and early reoperations.
- A regimen of short-term cefazolin with povidone-iodine irrigation reduced infections to <2% in the final three years.
Conclusions:
- Short perioperative cefazolin combined with povidone-iodine wound irrigation is effective in reducing vascular surgery SSIs.
- Postoperative antibiotic therapy beyond three days does not offer additional benefits for SSI prevention.