Diagnostic Value of Mean Platelet Volume Combined With Troponin I for Acute Coronary Syndrome.
The American Journal of the Medical Sciences(2016)
摘要
Objective: To explore diagnostic performance of mean platelet volume (MPV) for acute myocardial infarction (AMI) of patients with acute coronary syndrome (ACS). Methods: We compared MPV and other indicators of 1,524 patients with ACS. Among them, 880 patients were diagnosed with AMI, 344 were diagnosed with unstable angina pectoris and 350 were the control group. Results: The level of MPV in ACS group was significantly higher than the control group (9.5 +/- 1.34 fL versus 7.9 +/- 1.03 fL, P < 0.001). Additionally, MPV of AMI group was higher than unstable angina pectoris (9.4 +/- 1.30 fL versus 9.2 +/- 1.42 fL, P < 0.001). Increased MPV could be identified as an early independent predictor of AMI (odds ratio = 1.957, 95% CI: 1.3892.758, P < 0.001). The area under the receiver operating characteristic curves curve for MPV combined with troponin I (Tnl) was 0.816, the sensitivity (68.81 %) and the specificity (97.98%) at the best cut-off value were higher than using MPV or TnI alone respectively. Conclusions: MPV has been shown as an independent risk factor for early onset of AMI and can be applied to assist AMI diagnosis of ACS patients. Additionally, measuring MPV in conjunction with TnI levels can improve the diagnostic performance of TnI with higher sensitivity and specificity.
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关键词
Mean platelet volume,Acute coronary syndrome,Acute myocardial infarction,Troponin I,Diagnosis
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