期刊
ATHEROSCLEROSIS
卷 239, 期 2, 页码 583-588出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.atherosclerosis.2015.02.035
关键词
Peripheral artery disease; Endovascular therapy; Eicosapentaenoic acid; Arachidonic acid; Femoropopliteal artery; Outcome; Prognosis
Background: The EPA/AA ratio has emerged as a predictor of mortality endpoints in cardiac disease; however, its prognostic value in peripheral artery disease (PAD) patients is unclear. We assessed the serum eicosapentaenoic acid (EPA) to arachidonic acid (AA) ratio in patients with PAD caused by femoropopliteal artery lesions, to determine whether it predicts clinical outcomes after endovascular therapy (EVT). Methods and results: We obtained serum EPA/AA ratios from 132 consecutive patients with PAD caused by femoropopliteal artery lesions before EVT. Patients were divided into two groups using the median value of serum EPA/AA ratios of the entire cohort; LOW group with the levels <= 0.30 (n = 66) and HIGH group > 0.30 (n = 66). The incidence of major adverse events (MAE), including major adverse limb events (MALE) and death from any cause, was determined. At a median follow-up interval of 24 months, MALE occurred in 40 patients (30.3%) and 11 patients (8.3%) died. Kaplan-Meier curve analysis demonstrated the survival probability from MAE was significantly worse in patients with EPA/AA ratio under the median (long-rank test chi(2) = 16.4; p < 0.001). Multivariate Cox regression analysis showed critical limb ischemia (hazard ratio [HR]: 3.44; 95% confidence interval [CI]: 1.84 to 6.46; p < 0.001) and the pre-procedural serum EPA/AA ratios <= 0.30 (HR: 2.74; 95% CI: 1.33 to 5.65; p = 0.006) independently predicted MAE after EVT. Conclusions: Lower serum EPA/AA ratios appear to be associated with a greater risk of MALE and death from any cause after EVT in patients with PAD caused by femoropopliteal artery lesions. (C) 2015 Elsevier Ireland Ltd. All rights reserved.
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