Blood Transfusion Research Today is a free monthly online journal that collates and summarizes the latest research about Blood Transfusion, including details on blood donation, blood types, leukemia. | ||||||||
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History of blood transfusion before 1990 is a risk factor for stroke and cardiovascular diseases: the Japan collaborative cohort study (JACC study).Yamada S, Koizumi A, Iso H, Wada Y, Watanabe Y, Date C, Yamamoto A, Kikuchi S, Inaba Y, Kondo T, Toyoshima H, Tamakoshi A, Department of Health and Environmental Sciences, Kyoto University Graduate School of Medicine, Konoe-cho, Yoshida, Sakyo-ku, Kyoto, Japan. BACKGROUND: We have previously shown novel evidence that history of blood transfusion is a risk factor for mortality from subarachnoid hemorrhage. This study was conducted to assess history of transfusion as a risk factor for other hemorrhagic stroke or ischemic stroke and cardiovascular diseases. STUDY DESIGN AND METHODS: A total of 88,312 Japanese participants (36,823 men and 51,489 women), aged 40-79 years, without history of stroke, heart disease or cancer, completed a questionnaire including history of transfusion under the JACC Study from 1988 to 1990. Participants were followed up annually until deceased, or when they moved away from the surveyed community, or at the end of 1999. The underlying causes of death were determined according to the International Classification of Diseases, 10th revision (ICD-10). RESULTS: Total follow-up person-years were 871,437 (males 359,437, females 512,000). During this 10-year period, 309 died from intracerebral hemorrhage, 587 from ischemic stroke and 472 from coronary heart disease. The multivariate relative risks of a transfusion history were 2.16 (95% CI 1.42-3.27, p < 0.001) for intracerebral hemorrhage, 1.63 (95% CI 1.18-2.27, p = 0.004) for ischemic stroke and 1.66 (95% CI 1.17-2.36, p = 0.005) for coronary heart disease, after adjustment for conventional cardiovascular risk factors. CONCLUSION: A transfusion history was associated with increased mortality from stroke and coronary heart disease. Published 7 September 2005 in Cerebrovasc Dis, 20(3): 164-71.
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