Usefulness of Estimated Pulse Wave Velocity in Prediction of Cardiovascular Mortality in Patients With Acute Myocardial Infarction |
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Authors: | Po-Chao Hsu Wen-Hsien Lee Wei-Chung Tsai Nai-Yu Chi Ching-Tang Chang Cheng-An Chiu Chun-Yuan Chu Tsung-Hsien Lin Wen-Ter Lai Sheng-Hsiung Sheu Ho-Ming Su |
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Affiliation: | 1. Division of Cardiology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan;2. Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan;3. Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung, Taiwan |
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Abstract: | BackgroundPulse wave velocity (PWV) is an excellent index of arterial stiffness and can be used to predict long-term cardiovascular (CV) outcome. In recent years, estimated PWV (ePWV), calculated by equations using age and mean blood pressure, was also reported to be a significant predictor of CV outcomes. However, there was no literature discussing about usefulness of ePWV in patients of acute myocardial infarction (AMI) for prediction of long-term CV and overall mortality. Therefore, we conducted this study for further evaluation.MethodsA total of 187 patients with AMI admitted to cardiac care unit were enrolled. ePWV were calculated by the equations for each patient.ResultsThe median follow-up to mortality was 73 months (25th–75th percentile: 8–174 months). There were 35 and 125 patients documented as CV and overall mortality, respectively. Under univariable analysis, ePWV could independently predict long-term CV and overall mortality. However, after multivariable analysis, ePWV could only predict long-term CV mortality in AMI patients.ConclusionsTo the best of our knowledge, our study was the first to evaluate the usefulness of ePWV in AMI patients for prediction of long-term CV and overall mortality. Our study showed ePWV was not only easy to calculate by formula, but also an independent predictor for long-term CV mortality in univariable and multivariable analyses. Therefore, ePWV was a simple and useful tool to measure arterial stiffness and to predict CV mortality outcome in AMI patients without the necessity for equipment to measure PWV. |
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Keywords: | Correspondence: Ho-Ming Su, MD, Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung Medical University 482, Shan-Ming Road., Hsiao-Kang Dist., 812 Kaohsiung, Taiwan, R.O.C. Acute myocardial infarction Cardiovascular Estimated pulse wave velocity Mortality |
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