Monitoring report of Keshan disease in Yunnan Province in 2011 / 中华地方病学杂志

ABSTRACT

Objective To master the current situation of Keshan disease(KD) and its trend in Yunnan Province,and scientifically evaluate the control and prevention measures.Methods According to the 2011 Endemic Disease Prevention and Control Project Implementation Plan and National Keshan Disease Mornitoring Program,choose Eryuang,Dali,Xiangyun,Wuding,Nanhua,Chuxiong and Mouding Counties(Cities)in Yunnan Province,that were seriously affected by Keshan disease,monitoring was carried out; 2 towns were selected in each county,and 1 village was selected as surveillance site in each selected town.All the residents were clinically examined and Electrocardiography tracing was taken.Suspected cases were given filmed chest X-ray and color echocardiography.KD cases were correctly diagnosed according to the diagnostic criteria.Results A total of 6 022 residents were investigated in the 14 investigation sites; 25 cases of KD were found,and the total incidence rate was 0.42％.Among the 25 KD cases,22 cases were latent KD,and the incidence rate was 0.37％; women(15 cases) were more than men (10 cases),and 10 patients were 3-14 years old,accounted for 40.00％(10/25).Potential KD 22 cases,including 10 cases of 3-14 years old; slow type of KD 3 cases,including 2 cases 45-54 years old.Electrocardiographic examination 6 022 residents,the abnormal rate was 20.44％.Among 32 X-ray films,28 cases had a cardiothoracic ratio less than or equal to 0.50,2 cases from 0.51 to 0.55,1 case from 0.56 to 0.60,and 1 case more than or equal to 0.61.Conclusions The results of KD surveillance have presented a downward trend in Yunnan Province,and the incidence rate of KD is lower.But the pathogenic factors are still active,which is harmful to children health in KD areas.In future,surveillance of children KD should be strengthened,control measures should be implemented,in order to guarantee the health of people who lived in KD areas.