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  • Title: Surgical site infection after multiple groin incisions in peripheral vascular surgery.
    Author: van der Slegt J, Kluytmans JA, Mulder PG, Veen EJ, Ho GH, van der Laan L.
    Journal: Surg Infect (Larchmt); 2014 Dec; 15(6):752-6. PubMed ID: 25401787.
    Abstract:
    BACKGROUND: Patients with peripheral arterial disease (PAD) are at risk for revision surgery in the groin and therefore at potential risk for surgical site infections (SSIs). In an observational study, a cohort of patients with peripheral arterial disease was followed to examine the effect of different incision intervals on SSI-free survival. METHODS: Patients, needing peripheral vascular surgery because of PAD, were retrieved from a prospectively collected database on SSIs after vascular surgery between March 2009 and January 2012, the group consisting of 720 patients. Of these, 255 patients were selected (age 71.9±10.4 y). Cox proportional hazards models were used for event-history analyses. The effect of incision interval was estimated with adjustment for a number of potential confounders. Effects were quantified by means of hazard ratios (HRs) with 95% confidence intervals (CIs). RESULTS: No significant effect on the incision interval on SSI-free survival was observed. After separating incisional SSIs into superficial- and deep-seated, a significant linear trend effect of the groin incision interval on deep-incisional SSI development was observed: the shorter the interval, the higher the event rate (HR 1.5 per category, 95% CI 1.1-2.1, p=0.22). Besides the incision interval, the Rutherford classification was a significant risk factor for SSI development (HR 3.0; 95% CI 2.1-4.2; p<0.0005). CONCLUSION: Revision surgery in the groin puts patients at risk for deep-incisional SSI. No effect on superficial incisional SSI development was observed. Besides the incision interval, the Rutherford classification was a significant risk factor for both superficial- and deep-incisional SSI. Quality improvement and better risk stratification schemes are suggested.
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