Status of iodine deficiency disease and implement condition of intervenient measure in 5 higher risk area in Inner Mongolia in 2007

Objective To understand higher risk area of iodine deficiency disease whether incidents endemic cretinism,prevalent status of endemic goiter and implement condition of preventive measure.MethodsPatients of endemic cretinism were diagnosed by standard of diagnosis of endemic cretinism and endemic sub-clinical cretinism(WS104-1999).IQ was tested by chinese auspicious article countryside revised edition.The thyroid size was examined by palpation and B ultrasound,iodine concentration in salt was detected by half quantitative reagent and that in urine by the method of As3+-Ce4+catalytic spectrophotometry(WS/T107-2006).ResultsThe rates of goiter were 5.6% by palpation and 4.6% by B ultrasound,the median of urinary iodine was 239.8μg/L,the range of urinary iodine was 100-300μg/L for 66.95%,and the average of IQ was 104.04±13.47 for the pupils aged 8-12 years.The median of urinary iodine was 222.45μg/L for the housewives.1389 families were investigated,the percent of used iodine salt was 97.3%,in which the percent of used non-iodine salt was 2.7%.ConclusionPrevalence of iodine deficiency disease in 5 counties is controlled effectively.The current situation of iodine nutrition is suitable.Child's intelligence obtains the effective protection.The edible salt adds iodine primarily to eliminate IDD is effective.None cases of endemic cretinism continued to emerge at present.