THE INFLUENCE OF METEOROLOGICAL CHANGES ON CORONARY THROMBOSIS

Journal/Book: Reprinted from British Heart Journal Volume 22 No. 5 pages 635-641 November 1960. 1960;

Abstract: SUMMARY AND CONCLUSIONS A brief statistical survey was made of cases admitted as coronary thrombosis to the Royal Victoria Hospital Belfast from 1953 to 1956. A possible relationship between weather changes and the onset of acute myocardial infarction was investigated. A higher mortality was noted in the older age groups; it would appear from this study that the lower the blond pressure an admission the less favourable the immediate prognosis. Most deaths occurred within 15 days of admission and the first few days may be regarded as the "critical period" of this disease. An increased frequency of occurrence of acute myocardial infarction was noted during periods of low minimum temperatures. It appears from this study that the onset of cold weather may precipitate attacks of acute myocardial infarction in patients with coronary heart disease. I wish to thank Professor G. M. Bull for his most valuable advice and encouragement and Dr. Cheeseman for his advice in the preparation and analysis of the statistical data. I am also indebted to Mrs. McCabe Mr. Merrett and Miss Weller for technical assistance. ___MH

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