期刊
AMERICAN JOURNAL OF CARDIOLOGY
卷 111, 期 2, 页码 185-189出版社
EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjcard.2012.09.014
关键词
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资金
- National Institutes of Health, National Heart, Lung, and Blood Institute (Bethesda, Maryland) [T32HL098129]
- American Heart Association (Dallas, Texas) [0775074N]
- Doris Duke Charitable Foundation (New York, New York) [2010055]
Increased platelet activity is associated with adverse cardiovascular events. The mean platelet volume (MPV) correlates with platelet activity; however, the relation between the MPV and long-term mortality in patients undergoing percutaneous coronary intervention (PCI) is not well established. Furthermore, the role of change in the MPV over time has not been previously evaluated. We evaluated the MPV at baseline, 30 days, 60 days, 90 days, 1 year, 2 years, and 3 years after the procedure in 1,512 patients who underwent PCI. The speed of change in the MPV was estimated using the slope of linear regression. Mortality was determined by query of the Social Security Death Index. During a median of 8.7 years, mortality was 49.3% after PCI. No significant difference was seen in mortality when stratified by MPV quartile (first quartile, 50.1%; second quartile, 47.7%; third quartile, 51.3%; fourth quartile, 48.3%; p = 0.74). For the 839 patients with available data to determine a change in the MPV over time after PCI, mortality was 49.1% and was significantly greater in patients with an increase (52.9%) than in those with a decrease (44.2%) or no change (49.1%) in the MPV over time (p <0.0001). In conclusion, no association was found between the baseline MPV and long-term mortality in patients undergoing PCI. However, increased mortality was found when the MPV increased over time after PCI. Monitoring the MPV after coronary revascularization might play a role in risk stratification. (C) 2013 Elsevier Inc. All rights reserved. (Am J Cardiol 2013;111:185-189)
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