Relationship between climatic and environmental factors and the incidence of acute myocardial infarction in Yancheng area
WANG Qingli CAO Jingyan▲
Department of Cardiovascular Medicine, Yancheng Clinical College Xuzhou Medical University Yancheng First People’s Hospital, Jiangsu Province, Xuzhou 224001, China
Abstract Objective To analyze the relationship between the incidence of acute myocardial infarction (AMI) and climatic factors in Yancheng area. Methods The case data of 998 AMI patients admitted to Jiangsu Province Yancheng area (four tertiary hospitals: Yancheng First People’s Hospital, Yancheng Third People’s Hospital, Dongtai People’s Hospital, Jianhu County People’s Hospital and three secondary hospitals: Funing County People’s Hospital, Sheyang People’s Hospital，Xiangshui County People’s Hospital) from March 2018 to January 2022 were collected. Meteorological data came from Yancheng City, Jiangsu Province. Meteorological data were continuously collected on the day, the previous one day, and the previous two day during the study period when AMI occurred frequently. Logistic multivariate regression analysis was used to analyze the relationship between the incidence of AMI and meteorological factors. Results During the study period, the frequent days of AMI were 148 days (10.13%), and the infrequent days were 1 313 days (89.87%). The proportion of inpatients with AMI in winter and spring was higher than those in summer and autumn (P＜0.05). The average daily temperature and average wind speed in the two days before the AMI frequent occurrence day were higher than those of the non-frequent AMI occurrence(P＜0.05), and the average relative humidity was lower than that of the non-frequent AMI occurrence day (P＜0.05). Logistic multivariate analysis results showed that the average daily temperature (OR=3.418, 95%CI: 1.206-8.759), the average wind speed (OR=2.857, 95%CI: 1.186-7.436), the average relative humidity (OR=3.159, 95%CI: 1.054-8.035) were all influence factors affecting the incidence of AMI (P＜0.05). Conclusion The incidence of AMI has a certain correlation with meteorological factors of average daily temperature, average wind speed and average relative humidity.
WANG Qingli CAO Jingyan▲. Relationship between climatic and environmental factors and the incidence of acute myocardial infarction in Yancheng area[J]. 中国医药导报, 2023, 20(26): 68-71,81.
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