Variation in admission rates of acute coronary syndrome patients in coronary care unit according to different seasons. | [Journal of College of Physicians and Surgeons--Pakistan : JCPSP • 2015]

Author(s):

1. Muhammad Nawaz Lashari: Department of Cardiology, Civil Hospital, DUHS, Karach, Pakistan

2. Muhammad Tanveer Alam: Department of Medicine, Civil Hospital, DUHS, Karachi, Pakistan

3. Muhammad Shahzeb Khan: Medical Student, Dow University of Health Sciences, Karachi, Pakistan

4. Faizan Imran Bawany: Medical Student, Dow University of Health Sciences, Karachi, Pakistan

5. Muhammad Qayoom: Pakistan Steel Hospital, Karach, Pakistan

6. Khalida Soomro: Department of Cardiology, Civil Hospital, DUHS, Karachi, Pakistan

Abstract:

Objective: Environmental stresses, especially extreme cold and hot weathers, have tendency to have more admissions for acute coronary syndromes. Due to scarcity of local data, we studied the variation in patient admission rates with acute coronary syndrome according to different seasons. STUDY DESIGN: Descriptive study. PLACE AND DURATION OF STUDY: Coronary Care Unit, Civil Hospital and Pakistan Steel Hospital, Karachi, from January 2011 to December 2011. Methodology: The study group comprised consecutive patients with acute coronary syndrome (unstable angina, Non STElevation Myocardial Infarction (NSTEMI), ST-Elevation Myocardial Infarction (STEMI) admitted to the coronary care unit. Patients with stable angina and valvular heart disease were excluded. Data was analyzed for admission according to different seasons, (winter, spring, summer and autumn). Results: The mean age of the 428 cases was 48.5 ± 10.4 years (range 27 to 73 years). Among the study group, 261 (61%) and 167 (39%) cases were male and female respectively. ST-elevation myocardial infarction, non ST-elevation myocardial infarction and unstable angina were present in 206 (48%), 128 (30%) and 94 (22%) respectively. Among the 428 patients, 184 (43%) cases had hypertension, 133 (31%) cases were smokers, 103 (24%) cases had dyslipidemia and diabetes mellitus and 08 (2%) cases had history of premature coronary artery disease. The number of patients admissions with acute coronary syndrome tended to change with sudden change in season. It increased in Winter 158 (36.9%) and Summer 130 (30.3%) in comparison to Spring 80 (18.69%) and Autumn 60 (14.02%) season. Conclusion: It was found variation in admission rates of acute coronary syndrome patients according to different seasons. The number of admissions not only increased in the cold season (winter) but also in hot season (summer) with sudden changes in temperature.

Page(s): 91-94

DOI: DOI not available

Published: Journal: Journal of College of Physicians and Surgeons--Pakistan : JCPSP, Volume: 25, Issue: 2, Year: 2015

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