Usefulness of Lipoprotein(a) for Predicting Clinical Outcomes After Endovascular Therapy for Aortoiliac Atherosclerotic Lesions.
JOURNAL OF ENDOVASCULAR THERAPY(2017)
摘要
Purpose: To evaluate the usefulness of serum lipoprotein(a) as a biomarker of clinical outcomes after endovascular therapy (EVT) for atherosclerotic aortoiliac lesions. Methods: Serum lipoprotein(a) concentrations were measured at admission in 189 consecutive patients (median age 72 years; 160 men) with peripheral artery disease who underwent EVT for aortoiliac occlusive disease. The patients were dichotomized into 2 groups based on serum lipoprotein(a) levels <= 40 mg/dL (LOW; n = 135) or >40 mg/dL (HIGH; n = 54). After EVT, the incidences of major adverse limb events (MALE) were analyzed. Predictors of MALE were sought with a Cox proportional hazards analysis; results are presented as the hazard ratio (HR) and 95% confidence interval. Results: At the median follow-up of 33 months (interquartile range 11, 54), MALE occurred in 44 (23.3%) patients. The MALE-free survival estimate was significantly lower in patients in the HIGH group (55.6% vs 85.2%, p < 0.001). Independent predictors of MALE after EVT were hemodialysis (HR 2.23, 95% CI 1.04 to 4.78, p = 0.039) and high lipoprotein(a) levels (HR 2.80, 95% CI 1.44 to 5.45, p = 0.003). Conclusion: High lipoprotein(a) levels were associated with a higher incidence of MALE after EVT for patients with aortoiliac lesions.
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关键词
adverse limb events,angioplasty,aortoiliac segment,atherosclerosis,common iliac artery,endovascular therapy,lipoprotein(a),peripheral artery disease,prognosis,stenosis,stent
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