The current status of ischemic heart disease and myocardial infarction in Japan.

In Japan the incidence of myocardial infarction or Q1-1 of Minnesota Code is 0.24%-0.54% in epidemiological survey, and the incidence of total cases with Q1-1•`Q1-3 is about 1.0%. The incidence of ischemic heart disease in epidemiological survey is 2.1 %, and the death from arteriosclerotic heart disease including coronary heart disease (B26a) in vital statistics is 3.7%. The incidence of reported myocardial infarct in autopsy cases is 2.04%. The incidence of death from ischemic heart disease was increased in crude death rate and also in age adjusted death rate in Japan. Myocardial infarction and ischemic heart disease are found more in male and increased with ages. There is some difference of death rate from ischemic heart disease, the incidence of myocardial infarct in autopsy cases and the incidence of ischemic heart disease in epidemiological survey according to the areas in Japan. The some areas, of which death rate from ischemic heart disease was higher than adjacent areas, were discussed.