期刊
ARTERIOSCLEROSIS THROMBOSIS AND VASCULAR BIOLOGY
卷 31, 期 5, 页码 1215-1218出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/ATVBAHA.110.221788
关键词
cardiovascular disease prevention; ischemic heart disease; platelets; cardiovascular mortality; mean platelet volume
Objective-An increased mean platelet volume (MPV), as an indicator of larger, more reactive platelets resulting from an increased platelet turnover, may represent a risk factor for overall vascular mortality, including myocardial infarction. We intended to identify patients at higher risk of dying from vascular disease in a large, hospital-based cohort. Methods and Results-A total of 206 554 first-ever admissions to the Allgemeines Krankenhaus Wien for determination of MPV between January 1996 and July 2003 were included. Primary end points were overall vascular mortality and death due to ischemic heart disease. Multivariate Cox regression adjusted for sex, age, and platelet count was applied for analysis. MPV values were categorized into quintiles, with the lowest quintile serving as the reference category. Compared with individuals with lower MPV (<8.7 fL), hazard ratios for overall vascular mortality gradually increased to 1.5 in the highest category (>= 11.01 fL). The relationship of MPV to ischemic heart disease was even stronger and increased from 1.2 (8.71 to 9.60 fL category) to 1.8 in the highest category (>= 11.01 fL). Conclusion-Our results indicate that patients with an increased MPV (>= 11.01 fL) are at higher risk of death due to ischemic heart disease, with hazard ratios comparable to those reported for obesity or smoking. (Arterioscler Thromb Vasc Biol. 2011;31:1215-1218.)
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