循環器集團檢診について(第2報) : 某工場從業員4236名についての檢診成績

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The mass survey for cardiovascular diseases with the method discussed in our first report was made on all workers of one factory in Nagoya city, and mainly blood pressure and ECG findings about 4236 workers, consisting of 3565 men and 671 women, were discussed, from the point of view of mass survey and health control.1) In the range of 16 to 40 years of age, hypertensive cases in which the blood pressure was more than 151/91 mm. Hg were found in 4.1 to 4.2 per centage. While, in the range of 41 to 60 years of age, 9.0 to 24.4 per centage was hypertensive.In hypotensive cases in which the systolic blood pressure were less than 100 mm. Hg were found 3.2 to 4.6 per centage in the range of 16 to 30 years of age, while in the range of 31 to 60 year of age, 7.5 to 8.4 per centage were hypotensive.2) In 409 cases that were in 9.7 per centage of all cases, abnormal electrocardiographic findings were found. They included 55 cases (1.3%) of coronary diseases which contained 2 cases of myocardial infarct, 3 cases of myocardial damage, 24 cases of left ventricular strain and 26 cases of coronary insufficiency. Other abnormal cases were 209 cases (4.9%) of left ventricular hypertrophy, 93 cases (2.2%) of complete or incomplete right bundle branch block, 24 cases of right ventricular hypertrophy, 3 cases of sino-auricular block, 4 cases of atrio-ventricular block, 1 case of left bundle branch block, 47 cases of extrasystoles, 3 cases of auricular fibrillation, 34 cases of pulmonary P, 2 cases of parasystole and 5 cases of W-P-W syndrome.3) The older they were, the more abnormal ECG findings were found, especially in older group than 41 years of age (12.7-16.5%). Many abnormal ECG findings of 25.4 to 75.0 per centage in hypertensive group were found, particularly, many coronary diseases in older group than 51 years of age or in hypertensive group in which was more than 181/111 mm. Hg of blood pressue, and many left ventricular hypertrophy in hypertensive group in which was more than 151 mm. Hg of systolic blood pressure.Left ventricular hypertrophy complicated with coronary diseases was found on high frequency rate (11.0%).4) Ballistocardiogram On the examination of 225 cases of older than 31 years of age, more severe cases than grade II of Brown's classification were found frequently in the older group than 50 years of age, hypertensive group and group of abnormal ECG findings.5) During a half year of following observation after examinations 2 workers died. The one case had abnormal ECG findings of left ventricular hypertrophy, left ventricular strain and hypertension, and the other having suffered from auricular fibrillation expired with thrombosis.6) On the mass survey for cardiovascular diseases and health control, special attention should be paid to coronary diseases ; the cases with hypertension and/or left ventricular hypertrophy which coincided frequently with coronary diseases, should be taken special attention, too ; auricular fibrillation should be also cared.
社団法人日本循環器学会の論文
1958-04-20

循環器集團檢診について(第2報) : 某工場從業員4236名についての檢診成績

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