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Wound Complications and Reoperations after Transtibial Amputation of the Leg.

Khouqeer A, Uribe-Gomez A, Sharath SS, Kougias P, Barshes NR. Wound Complications and Reoperations after Transtibial Amputation of the Leg. Annals of vascular surgery. 2020 Nov 1; 69:292-297.

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Abstract:

BACKGROUND: Transtibial amputations (TTAs) of the leg have been associated with high rates of wound complications. We assessed outcomes of TTAs to determine if bundled interventions implemented at our hospital had an impact on lowering wound complications, including surgical site infections. METHODS: We assessed the impact of a surgical site infection prevention bundle (negative-pressure wound therapy, minimizing the use of staples, and a decontamination protocol for methicillin-resistant Staphylococcus aureus) on 90-day wound complications. The year of implementation of the prevention bundle was excluded, and the pre-eras and posteras were defined as the four-year period before and after implementation. The study sample consisted of a single-center cohort, with TTA cases identified using operating room scheduling software. RESULTS: A total of 182 TTAs were performed: 110 in the pre-era and 72 in the postera. The wound complication rate decreased from 22 to 17% despite fewer two-stage operations, less imaging to identify peripheral artery disease, and an increased proportion of patients with end-stage renal disease. Wound complications and revision to a higher level of amputation were more associated with indication (especially no-option peripheral artery disease with ischemic rest pains) than with any particular aspect of surgical technique. The use of drains was associated with reoperations but not higher level revision. CONCLUSIONS: Higher rates of wound complications and revision to a higher level of amputations should be expected among patients with no-option peripheral artery disease with ischemic rest pains undergoing TTAs. Drains should be avoided.




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