沙尘天气与冠心病发病相关关系的研究

The Study on the Relationship between Sand and Dust Weather and the Morbidity of Coronary Heart Disease

目的客观评价平凉市崆峒区沙尘天气与冠心病发病间的相关性。方法根据WHO对冠心病的诊断标准,剔除意外、从外地转院等人为因素的影响。收集平凉市崆峒区4所大中型医院2000～2005年沙尘季节(3、4、5月份)内893例40岁以上的冠心病住院病人的资料,同时收集其间当地的地面气象资料(气温、气压、相对湿度、风速等)。比较每年沙尘季节内冠心病日发病情况,用统计学分析,研究崆峒区沙尘天气与冠心病发病间的关系。结果沙尘天气主要集中在3、4、5月份内,每年这几个月份内在沙尘天气当天及其后第1天冠心病的日均发病人数均明显高于其他时间段(P<0.05)。结论当地沙尘天气与冠心病发病有相关性,且表现为沙尘天气当天及其后第1天冠心病的日均发病人数明显高于其他时间段。

Objective To evaluate the relationship between sand and dust weather and the morbidity of coronary heart disease objectively. Methods According to the WHO diagnostic criteria of coronary heart disease, and excluding the emergency, transfers from outside and the other influence of human factors, collect the 893 cases of over the age of 40 in - patients with coronary heart disease in the four large and medium - sized hospitals in Pingliang city Kongtong district from 2000 to 2005 in the season of sand and dust weather （ March, April and May）. At the same time period collect local weather data on the ground （including the temperature, pressure, relative humidity, wind speed, etc. ）. Compare the daily morbidity of coronary heart disease in the season of sand and dust weather, using statistical analysis, and study the relationship between sand and dust weather and the morbidity of coronary heart disease. Results Sand and dust weather mainly on March, April and May, each of these months in the days of sand and dust weather and after the 1 st day, the daily number of incidence of coronary heart disease wassignificantly higher than other time （ P 〈 0.05 ）. Conclusion In the local place sand and dust weather and coronary heart disease have a correlation, the daily number of incidence of coronary heart disease in the days of sand and dust weather and after the 1 st day was significantly higher than other time.