Objective To monitor KBD prevalence rate in Changdu of Tibet.Methods The aged 7~12 year children are tested with X- ray and epidemiological investigation.Results Xizang are still high yet,the 3 of 4 porints X-rates are more than 20% and the highest one is 55.34%.Conclusions The Changdu is the severest point of KBD in our country.%目的 进行大骨节病病情监测 ,了解病情动态。方法 对洛隆、边坝、八宿和芒康4个监测点的7~12岁儿童412名进行临床检查和手骨X线拍片检查。结果 4个监测点儿童骨X线检出率为17.92%~40.78%, 其中有3个监测点干骺端检出率大于20%。结论 昌都地区大骨节病病情活跃而严重,是全国重病区之一。
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