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  • Title: [Plasma heparin cofactor II activity correlates with the incidence of in-stent restenosis after the intervention of arteriosclerosis obliterans in lower extremity].
    Author: Lu H, Guo P.
    Journal: Zhong Nan Da Xue Xue Bao Yi Xue Ban; 2015 Feb; 40(2):177-81. PubMed ID: 25769326.
    Abstract:
    OBJECTIVE: To explore the relationship between activity of plasma heparin cofactor II (HC II) and the incidence of in-stent restenosis aft er the intervention of arteriosclerosis obliterans in lower extremity. METHODS: A total of 62 patients with arteriosclerosis obliterans in lower extremity underwent femoropopliteal stent implantation. They were divided into 2 groups: A high HC II activity group (≥100%, n=40) and a low HC II activity group (<100%, n=22). All patients filled in follow up tables and conducted body examination. Possible risk factors resulting in restenosis were collected. Patients were followed up for 6 months after femoropopliteal stent implantation. RESULTS: Baseline clinical characteristics were not significantly different between the 2 groups. The degree and incidence of angiographic restenosis at the end of the 6th month after the implantation in the high HC II activity group were all significantly lower than those in the low HC II activity group (P<0.05). Multivariate analysis demonstrated that high plasma HC II activity was an independent factor in reducing the incidence of angiographic restenosis (OR=0.982, P=0.048, 95%CI, 0.966, 0.998). CONCLUSION: High plasma HC II activity is an independent factor in reducing the degree of in-stent restenosis. The lower the plasma HC II activity, the severer the degree of in-stent restenosis.
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