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Wound dehiscence and stump infection after lower limb amputation: risk factors and association with antibiotic use
Nathalie Dunkel1, Wilson Belaieff, Mathieu Assal
1Department of Infectious Diseases, Geneva University Hospitals & Medical School, University of Geneva, Geneva, Switzerland.
Background:
Optimal duration of antibiotic prophylaxis following major lower limb amputation in preventing adverse stump outcomes is controversial.
Objective:
We assess the epidemiology and risk factors of wound dehiscence and stump infection after mid-thigh to transmetatarsal amputations with regard to antibiotic administration.
Methods:
Our retrospective observational study at the Geneva University Hospital (January 1995-June 2010) includes a total of 289 amputations in 270 adult patients (199 males; median age 70 years).
Results:
Wound dehiscence and/or stump infection occurred in 47 (16.3%) and 63 (21.8%) patients with a median delay of 24 and 14 days, respectively. No clinical variable was significantly associated with stump infection. Diabetes and older age (>80 years) were associated with dehiscence. Importantly, transcutaneous tissue oxygen tension (TcPO2) and duration of antibiotic administration showed no association with either outcome.
Conclusion:
The duration of antibiotic administration before or after surgery does not change the epidemiology of stump complications.
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