三门峡市1999-2007年碘缺乏病监测结果分析

Surveillance Analysis on Iodine Deficiency Disorders in Sanmenxia City During the Period of 1999～2007

目的了解三门峡市碘缺乏病(IDD)防治进展和现状,评价防治成果,为防治决策提供依据。方法监测居民食用碘盐覆盖率和合格碘盐食用率;采用人口比例概率抽样法(PPS)进行抽样,用触诊法和B超法同时检查8～10岁儿童甲状腺肿大情况,儿童尿碘测定采用砷铈催化分光光度法。结果1999-2007年,碘盐覆盖率为98.99%,合格碘盐食用率为93.56%;儿童甲状腺肿大率触诊法由8.92%下降到6.82%,B超法由8.13%下降至6.71%;尿碘中位数稳定在241.48～320.59μg/L。结论三门峡市8～10岁儿童甲状腺肿大率继续保持在消除IDD阶段目标,儿童尿碘水平和居民用户合格碘盐食用率指标达到了消除标准。

Objective To evaluate the preventive effect and influencing factors of iodine deficiency disorders （IDD） in Sanmenxia. Methods The coverage rate of iodized salt and rate of consuming qualified iodine sail were monitored. Children aged 8- 10 years were selected by population proportion probability sampling（ PPS）method to measure iodized salt. urine iodine and total goiter rate through arsenic cerium catalytic spectrophotometry method, B ultrasound, and palpation. Results The coverage rate of iodine salt was 98.99 %, and the rate of consuming qualified iodine salt was 93.56 % during the period of 1999--2007. The total goiter rate decreased from 8.92 % to 6.82 % by palpation, and from 8.13 % to 6.71% by B - ultrasound. The medians of urinary iodine kept between 241.48 ug/L and 320.59 ug/L. Conclusions The goiter rate of children aged between 8 and 10 years is in the stage of aiming at eliminating IDD in Sanmenxia. The iodine value in urine and the coverage of iodized salt in residents have reached the goal of eliminating IDD.