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目的:分析广州市碘缺乏病(IDD)监测结果,了解碘缺乏病流行现状,评价防治效果,为制定策略提供依据。方法:采用现况流行病学调查方法,随机抽取广州市十二个区(县)8岁～10岁在校儿童进行调查。分别采用直接滴定法、分光光度法检测盐碘和尿碘含量,B超法检测甲状腺大小。结果:1188名儿童家庭食用盐碘合格率为96.7%,盐碘的中位数为31.5 mg/kg;1146名儿童尿碘的中位数为198μg/L;120名儿童B超诊断甲状腺肿大率为3.3%。结论:广州市盐碘合格率较高,尿碘含量合格,儿童甲状腺肿大率偏低,通过食盐加碘为主导的综合性措施,使碘缺乏病防治工作取得了显著效果。
Objective: To analyze the surveillance results of iodine deficiency disorders (IDD) in Guangzhou, understand the prevalence of iodine deficiency disorders, evaluate the effect of prevention and treatment, and provide the basis for formulating strategies. Methods: According to the current epidemiological survey method, randomly selected children from 8 years old to 10 years old in 12 districts (counties) in Guangzhou were investigated. Direct titration, iodine and urinary iodine were detected by spectrophotometry and thyroid size by B-ultrasonography respectively. Results: The passing rate of salt iodine in families with 1,188 children was 96.7%, the median of salt iodine was 31.5 mg / kg; the median of urinary iodine in 1,146 children was 198μg / L; the diagnosis of goiter in 120 children The rate is 3.3%. Conclusion: The qualified rate of iodine and iodine in Guangzhou is high, the urinary iodine content is acceptable, and the goiter rate in children is low. Comprehensive measures dominated by salt and iodine have made the prevention and cure of iodine deficiency disorders significantly effective.