e have investigated 195

362 cases admitted in l3 hospitals of Chong Qing area between July1992 and Decemmber 1994.Among them

the children and juvenile between 5 and 18 years suffered RF in 102 patients

andRHD in 60 patients.The relative rate with RF and RHD was 0.52 per thousand

and 0.31 perthousand respectively。The peak age of RF was 11 years and the peak age of RHD Was 18years.Among the 42 RF patients who had complete records

polyarthritis was the most commonmanifestation which was noted in 34(81%)

while calditis was less common

which was diagnosed in20 patients(48%).We have also investig 1

151 adult patients(ages over 19 years)with RHD admitted in 9hospitals of ChongQing area during the Same period.The relative rate was 8.6 perthousand(1

151/142

724).The peak age was 40-44 years

The relative proportion of RHD increasedwith age

and 36.4% of RHD patient were over 50 years old.The patients younger than 30 yearswere only 2.25%.The epidemiology of RHD trends towards decrease in recent years.