Monitoring report of Keshan disease in Chongqing City in 2019 / 中华地方病学杂志

ABSTRACT

Objective:To master the current status and trend of Keshan disease in Chongqing City, and to provide scientific basis for prevention and treatment of Keshan disease in the future.Methods:In 2019, case search was carried out in 9 Keshan disease areas (counties) in Wanzhou District, Fuling District, Changshou District, Liangping District, Dianjiang County, Fengdu County, Zhong County, and Shizhu County of Chongqing City; five Keshan disease areas (counties) including Wanzhou District, Fuling District, Kaizhou District, Dianjiang County, Kaizhou District and Zhong County were selected as the monitoring sites to carry out key monitoring. Questionnaire survey, clinical examination, and electrocardiogram (ECG) were carried out on monitored subjects. The suspected cases of Keshan disease were examined by cardiac ultrasonography or posterior anterior chest X-ray.Results:A total of 25 728 cases were searched in 471 medical institutions, among which 240 suspected cases of Keshan disease were found, and 2 cases of chronic Keshan disease were confirmed. A total of 4 043 permanent residents were monitored in 5 key monitoring sites, and 813 abnormal ECG were detected, with an abnormal rate of 20.11%. Cardiac ultrasonography was performed in 40 cases, of which 19 (47.50%) cases had decreased cardiac function, 16 cases (40.00%) had thickened ventricular septal, and 11 cases (27.50%) had enlarged heart. In 56 cases of chest X-ray examination, mild, moderate and severe enlargement of heart were 9 (16.07%), 5 (8.93%) and 3 (5.36%), respectively. No case of various types of Keshan disease had been found in cardiac ultrasonography and X-ray examations.Conclusions:Chongqing City is in a stable and low incidence of Keshan disease, but some cases of chronic Keshan disease have been detected. We should continue to carry out the disease monitoring in the future.