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  • Title: [Treatment of long-segment iliofemoral occlusive disease: two extra-anatomic bypass surgeries].
    Author: Ma J, Ma T, Wang R, Zhao X, Li YM.
    Journal: Zhonghua Wai Ke Za Zhi; 2012 Apr; 50(4):306-9. PubMed ID: 22800780.
    Abstract:
    OBJECTIVE: To report and evaluate the clinical results of surgical treatment for long-segment iliofemoral arteriosclerosis obliterans, including external iliac-popliteal (EIP) and femoral-deep femoral (FDF) crossover bypass surgeries. METHODS: From July 1995 to December 2009, 85 patients (61 male, 24 female, aged from 64 to 91 years, mean age 75 years) with comprehensive unilateral iliac-superficial femoral arteriosclerosis obliterans were involved in this research. According to Fontaine classification, the 85 patients could be graded as 62 class IIb-III patients (72.9%), and 23 class IV patients (27.1%). In CT angiography or DSA examinations, the 85 patients were grouped into EIP (n = 49) and FDF (n = 36) surgical groups on the basis of visualizations in the affected deep femoral, supra-knee/infra-knee popliteal arteries. The healing time of ulcers and toe amputation wound, ankle-brachial index, and blood flow velocity in the affected limb together with accumulative patency rates in 1, 3 and 5 years and limb salvage rates in 3 and 5 years were analyzed. RESULTS: None of the 85 patients died or had extremity amputated in perioperatively. Seventy-four patients (87.1%) had been followed up from 2 to 13 years (mean 5.7 years). Postoperative ankle-brachial index of FDF and EIP groups was 0.55 ± 0.11, and 0.94 ± 0.13 (t = -21.88, P = 0.000). Postoperative velocity of popliteal artery blood flow in FDF and EIP groups was (32 ± 9) cm/s, and (48 ± 4) cm/s (t = 16.76, P = 0.000); velocity of anterior or posterior tibial artery was (22 ± 7) cm/s, and (42 ± 4) cm/s (t = 10.50, P = 0.000). The primary and secondary patency rates of FDF and EIP groups were 87.8% and 88.3%, 80.7% and 81.2%, 68.4% and 57.4% at 1, 3 and 5 years, respectively. Limb salvage rates of FDF and EIP groups were 87.6% and 88.6%, 76.7% and 71.3%, at 3 and 5 years, respectively. There were no statistically significant differences in 1, 3, and 5 years' cumulative secondary patency rate and limb salvage rate between FDF and EIP groups. CONCLUSIONS: As extra-anatomic bypass surgeries, FDF and EIP are both determined to be alternative procedures for unilateral common iliac-superficial femoral artery occlusive disease, especially suitable for high-risk patients. EIP group patients have better clinical outcomes than those in FDF group.
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