我国某核电站运行前儿童甲状腺肿大调查

目的提供核电正常运行或核电事故对儿童健康影响相应的基础资料。方法对我国某核电站周围30km范围内4003名7～14岁儿童采用临床触诊方法进行检查,然后从触诊受检者中随机抽取30%儿童进行专用B超仪检查;使用半定量法测定全部触诊儿童家中食盐碘的含量,用酸消化砷铈接触法测定216名触诊儿童尿碘含量。结果甲状腺触诊检查人数为4003人,甲状腺肿大率平均为8.34%,其中距核电站5km的A镇甲状腺肿大率大于10%,食盐碘盐的合格率以A镇最低;甲状腺专用B超仪检查人数为1590人,甲状腺肿大率平均为9.69%,其中距核电站5km的A镇及15km的D镇甲状腺肿大率均大于10%,尿碘测定低于100μg/L的以D镇人数最多;B超检查甲状腺肿大检出率高于触诊检出率。结论我国某核电站周围部分地区可能存在地方性甲状腺肿大流行区。

Investigation on the morbidity of goitre in the children living around a nuclear power plant

Objective To provide the background data to evaluate the morbidity of goitre affected by normal or fallout of a nuclear power plant. Methods 4 003 7 to 14-year-old children living within 30 km of radius around a nuclear power plant were first checked by the palpation, then 30% of them were randomly chosen to checked by ultrasonic B. The contents of iodine in salt that all children consumed and urine iodine in 216 children were determined. Results The morbidity of goiter was 8.34% among 4 003 subjects, but it was exceeded 10% in A town. Under ultrasonic examination, the morbidity of goiter was 9.69% among 1 590 subjects. The children in A town still had the highest morbidity of over 10%. Conclusion Some regions are probably endemic goiter prevalent areas.