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• W2792634082 abstract "ObjectiveThoracofemoral bypass (TFB) is an alternative to aortofemoral bypass (AFB) or extra-anatomic bypass for severe aortoiliac occlusive disease (AIOD). TFB may be particularly useful in select patients with concurrent visceral aortic branch vessel disease, infrarenal aortic occlusions, or after failed AFB. However, there are few contemporary series describing the indications and outcomes for TFB. Therefore, the purpose of this analysis was to review our experience with TFB.MethodsAll patients undergoing TFB for occlusive disease from 2002 to 2017 were reviewed. All patients underwent left thoracoretroperitoneal exposure of the supraceliac aorta with division of the diaphragmatic crus and supraceliac cross-clamping. An end-to-side aortic anastomosis was created and each graft limb was tunneled in the retroperitoneum to the femoral bifurcation. Adjunctive visceral/infrainguinal revascularization was performed selectively based on symptoms, end-organ function, and/or preoperative imaging. The primary end points were major complications and 30-day mortality. Secondary end points included limb patency, freedom from major adverse limb events, and survival. Kaplan-Meier methodology was used to characterize the end points.ResultsForty-one patients (age 61 ± 9 years; 54% female; 7% in a hypercoaguable state) underwent TFB. The mean preoperative ankle-brachial index was 0.4 bilaterally. Indications included critical limb ischemia (56%), claudication (30%), acute limb ischemia (7%), and combined AIOD and mesenteric ischemia (7%). Seven patients (17%) had previously undergone AFB and 15 (38%) had previously undergone any prior aortic operation. Adjunctive visceral bypass occurred in 8 patients (20%; N = 14 grafts, n = 6 renal, n = 5 superior mesenteric artery, and n = 3 celiac). The postoperative duration of stay was 11 days (interquartile range [IQR], 7-16 days) and the 30-day mortality was 5% (n = 2). Major complications occurred in 34% of patients (N = 14; pulmonary, 15%; cardiac, 12%; bleeding, 7%; accidental splenectomy, 5%; renal, 5%; wound, 2%). The mean postoperative ankle-brachial index was 0.9 bilaterally. At a median follow-up of 7 months (IQR, 1-17 months), 5 patients (12%) underwent some form of reintervention (graft/limb related, n = 4 [n = 2 graft thrombosis, n = 2 graft infection], n = 1 mesenteric bypass revision). The estimated 3-year primary limb patency and freedom from major adverse limb events were 80 ± 10%, and 70 ± 10%, respectively. The estimated 5-year survival was 93 ± 5% (median, 27.3; IQR, 14.5-35.2; 95% confidence interval, 17.9-32.8).ConclusionsThis experience represents one of the largest and most current series of retroperitoneal TFB. We demonstrate that TFB can be performed with good outcomes for patients with severe AIOD, especially if concomitant visceral/infrainguinal reconstruction is warranted. These results support a continued role for TFB in select patients." @default.
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• W2792634082 date "2019-04-01" @default.
• W2792634082 modified "2023-09-28" @default.
• W2792634082 title "Contemporary outcomes of thoracofemoral bypass" @default.
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• W2792634082 doi "https://doi.org/10.1016/j.jvs.2018.07.053" @default.
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