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https://hdl.handle.net/2440/9023
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Type: | Journal article |
Title: | Racial Heterogeneity in coronary artery vasomotor reactivity: differences between Japanese and Caucasian patients |
Author: | Beltrame, J. Sasayama, S. Maseri, A. |
Citation: | Journal of the American College of Cardiology, 1999; 33(6):1442-1452 |
Publisher: | Elsevier |
Issue Date: | 1999 |
ISSN: | 0735-1097 1558-3597 |
Statement of Responsibility: | John F. Beltrame, Shigetake Sasayama and Attilio Maseri |
Abstract: | Japanese investigators have provided a substantial contribution in the understanding of coronary vasomotor reactivity. On occasions, their findings have been at variance with those undertaken on caucasian patients, raising speculation that vasomotor differences between races may exist. In a comparative review of the published literature, we evaluated the vasoreactive differences among Japanese and caucasian patients with variant angina or myocardial infarction. In variant angina, Japanese patients appear to have diffusely hyperreactive coronary arteries compared with caucasian people, manifested by their segmental rather than focal spasm, hyperreactive nonspastic vessels and multivessel spasm. These differences may reflect the increased basal tone among Japanese variant angina patients and may relate to controversial differences in endothelial nitric oxide production or autonomic nervous system activity. Provocative vasomotor studies of Japanese patients with a recent myocardial infarction report a higher incidence of inducible spasm than caucasian studies, an observation recently supported by a controlled study. Furthermore, the hyperreactivity was diffuse, occurring in both non-infarct- and infarct-related vessels. These observations support the existence of racial coronary vasomotor reactivity differences but require confirmation in further prospectively conducted studies. |
Keywords: | Autonomic Nervous System Vasomotor System Humans Angina Pectoris, Variant Coronary Vasospasm Myocardial Infarction Nitric Oxide Coronary Circulation Adult Aged Aged, 80 and over Middle Aged Female Male Asian People White People |
Description: | Copyright © 1999 American College of Cardiology. Published by Elsevier Science Inc. |
DOI: | 10.1016/S0735-1097(99)00073-X |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/505766/description#description |
Published version: | http://dx.doi.org/10.1016/s0735-1097(99)00073-x |
Appears in Collections: | Aurora harvest 4 Medicine publications |
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