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• W3015738647 abstract "<h2>Abstract</h2><h3>Background</h3> Despite endovascular advancements, aortofemoral bypass (AFB; aortounifemoral and aortobifemoral bypass) remains the most durable option for aortoiliac occlusive disease. Whereas AFB reduces vascular aortoiliac reintervention, the impact of laparotomy-associated and groin wound complications on morbidity and reintervention is unclear. The aim of this study was to establish the incidence of nonvascular complications after AFB and to determine their effect on reintervention. <h3>Methods</h3> Institutional data for AFB (2000-2017) were queried. Primary end points included laparotomy-associated and groin wound complications. Total reintervention was defined as the composite outcome of reinterventions for laparotomy and groin wound complications and graft patency. Kaplan-Meier analysis estimated freedom from reintervention. Fine-Gray method for competing long-term risk determined predictors of laparotomy complications. Logistic regression, adjusting variability for patient-level clustering, determined predictors of wound complications. <h3>Results</h3> There were 553 limbs in 281 patients (272 aortobifemoral and 9 aortounifemoral bypasses; age, 67.6 ± 11.0 years; 50.5% female). Ninety (32%) patients had prior abdominal surgery, 3.2% had prior ventral hernia (VH) repair, 2.9% had untreated VH, and 0.7% had history of small bowel obstruction. The majority of patients underwent AFB for claudication (66.2%); 87.2% had TransAtlantic Inter-Society Consensus (TASC) D lesions, 31.4% required a suprarenal clamp or higher, 16.4% had concomitant renovisceral revascularization, and 6.4% were receiving anticoagulation. Sixty-seven (12.1%) limbs had redo femoral artery exposures, 32.4% required femoral outflow adjunct, and 1.8% had simultaneous lower extremity bypass. The 30-day mortality was 2.9%. During median follow-up of 5.3 years (interquartile range, 7.3 years), 21% had laparotomy complications (VH, 15.3%; small bowel obstruction, 7.5%; other, 2.1%), including 10.0% requiring operative intervention. Sixty-seven (12%) groins had a wound complication; 4.9% required intervention. Unadjusted 1-, 3-, and 5-year freedom from graft reintervention was 93.3% (95% confidence interval [CI], 90.1%-96.5%), 85.3% (80.7%-90.2%), and 79.6% (74.1%-85.5%), respectively. Freedom from total reintervention at 1 year, 3 years, and 5 years was 82.1% (95% CI, 77.4%-87.1%), 73.6% (68.0%-79.6%), and 65.1% (58.7%-72.2%). Predictors of laparotomy complications were untreated VH (<i>P</i> = .01) and hypertension (<i>P</i> = .01). Protective factors were thoracoabdominal approach (<i>P</i> < .01) and aortounifemoral bypass (<i>P</i> < .01). Predictors of wound complications included body mass index (per kg, 1.07; CI, 1.01-1.15; <i>P</i> = .018), anticoagulation (2.59; CI, 1.01-8.37; <i>P</i> = .049), and previous iliac stents (2.60; CI, 1.36-4.94; <i>P</i> = .004). <h3>Conclusions</h3> Whereas AFB is a durable reconstruction with infrequent need for graft reintervention, laparotomy- and groin wound-associated complications contribute significantly to morbidity and reintervention after AFB. Predictive factors for laparotomy and groin wound complications should be considered in preoperative planning and selection of patients for AFB and in the discussion of outcomes." @default.
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• W3015738647 date "2020-12-01" @default.
• W3015738647 modified "2023-10-16" @default.
• W3015738647 title "Laparotomy- and groin-associated complications are common after aortofemoral bypass and contribute to reintervention" @default.
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• W3015738647 doi "https://doi.org/10.1016/j.jvs.2019.09.067" @default.
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