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作 者:虞晨[1] 李卫东[1] 王岩[1] 张滔[1] 赵立胜[1] 徐署东 张建勤[1] 许娴[1] 姜静静[1] 宋律[1]
机构地区:[1]安徽省疾病预防控制中心地方病与寄生虫科,合肥230601
出 处:《中华地方病学杂志》2015年第5期369-372,共4页Chinese Journal of Endemiology
摘 要:目的 了解安徽省碘缺乏病的防治效果及人群碘营养状况.方法 2011年按人口比例概率抽样方法(PPS),在安徽省抽取30个县(市、区),每个县(市、区)抽取1所学校,每所学校抽取40名8~ 10岁儿童,进行家中食用盐碘含量调查,并进行甲状腺B超检查;同时抽取其中12名儿童,计算其家中居民人日均食盐摄入量,并采集尿样进行尿碘检测;在抽取小学附近选取3个乡镇,抽取孕妇和哺乳期妇女各5人,采集尿样进行尿碘检测.盐碘检测采用直接滴定法,川盐及其他强化食用盐采用仲裁法(GB/T 13025.7-1999);尿碘检测采用砷铈催化分光光度方法(WS/T 107-2006).结果 共检测盐样1 200份,盐碘中位数为30.93 mg/kg,合格碘盐食用率为96.75%(1 161/1 200).共检测8~ 10岁儿童1 200名,甲状腺肿大率(甲肿率)为2.75%(33/1 200).分别检测8~ 10岁儿童、孕妇和哺乳期妇女尿样360、460、443份,尿碘中位数分别为355.30、199.68、196.27 μg/L.8~ 10岁儿童家中居民人日均食盐摄入量为(8.99±5.41)g.结论 安徽省8~ 10岁儿童尿碘水平偏高,建议调整全省碘盐浓度,且兼顾孕妇和哺乳期期妇女的碘营养需求.Objective To investigate the control effect of iodine deficiency disorders and iodine nutritional status of people in Anhui Province.Methods Using population proportion sampling (PPS) method,30 counties (cities,districts) were chosen,and one elementary school was sampled in each county (city,district).Forty students aged 8-10 were selected to examine their goiter by B ultrasound in each school,and edible salt was sampled from their households.Twelve students were chosen from the 40 students to test urinary iodine and investigate salt consumption per capita a day.Three towns near the elementary school were chosen,and urinary iodine of 5 pregnant women and 5 lactating women was tested in each town.The salt iodine level was measured by direct titration,Chuan salt and other fortified salt iodine levels were determined by arbitration method (GB/T 13025.7-1999).Urinary iodine was determined by arsenic-cerium catalytic spectrophotometry (WS/T 107-2006).Results Totally 1 200 edible salt samples were tested,the median of salt iodine was 30.93 mg/kg,and the consuming rate of qualified iodized salt was 96.75% (1 161/1 200).Totally 1 200 students aged 8-10 were tested,the goiter rate was 2.75% (33/1 200).Totally 360,460,443 urine samples of 8-10 years old students,pregnant women and lactating women were selected,respectively.The median of urinary iodine was 355.30,199.68 and 196.27 μg/L,respectively.The mean of salt consumption per capita a day was (8.99 ± 5.41)g.Conclusion The level of urinary iodine is higher in 8-10 years old students in Anhui Province,therefore salt iodine level should be decreased but the special need of pregnant women and lactating women should be kept in mind.
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