Pulse Wave Velocity Predicts Cardiovascular Mortality : Findings From the Hawaii-Los Angeles-Hiroshima Study

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Background Arterial stiffness measurements, generally from pulse wave velocity (PWV), are widely used with little knowledge of their relationship to long-term cardiovascular mortality in general populations. Methods and Results We studied a cohort of 492 Japanese-Americans living in Hawaii (mean age : 63.7±8.8 years) to assess the relationship between PWV and cardiovascular disease mortality and all-cause mortality. During the 10-year follow-up, 43 patients died (14 from cardiovascular events). The cohort was divided into 2 groups by the cut-off value of PWV (9.9m/s) represented in the receiver operating characteristic curve. The risk ratio for PWV values >9.9m/s to all-cause mortality was 1.28 [95% confidence interval (CI) : 1.14-1.42], and adjusted for other risk factors this ratio was 1.42 (95% CI : 0.96-2.11). The corresponding risk ratios for cardiovascular mortality was 4.46 (95% CI : 1.61-12.32) and 4.24 (95% CI : 1.39-12.96), respectively. Conclusions The present study demonstrated that an increased PWV value is associated with future cardiovascular disease death in Japanese-Americans living in Hawaii.
社団法人日本循環器学会の論文
2005-02-20