Changes of Ischemic Heart Disease in Utsunomiya, Japan, Over 10 Years : A Survey of Primary Care Physicians

概要

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A total of 502 patients presenting in Utsunomiya city and its suburbs during a 10-year period were studied to determine the clinical features of ischemic heart disease and to identify coronary risk factors.The male/female ratio was 1.21, but the ratio decreased with increasing age.The duration of chest pain showed a continuous spectrum between angina and infarction, with a short duration of chest pain not being useful for excluding the diagnosis of myocardial infarction.Hypertension was more common than hypercholesterolemia in this study, although the prevalence of the latter increased slightly with time, along with the shift towards a modernized occupational pattern.Smoking was a more important risk factor for ischemic heart disease in younger individuals than in the elderly, and diabetes mellitus was highly associated with the development of myocardial infarction.The incidence of radiologically diagnosed cardiac hypertrophy and aortic calcification decreased over time.These changes may have resulted in part from improved blood pressure control and development of new antihypertensive and cholesterol-lowering agents.
社団法人日本循環器学会の論文
1998-08-20