RESUMO
Objective To explore the incidence features of neonatal congenital hypothy roidism in Lianyungang area.Methods The heel blood samples dried on filter paper was collected from newborns after 72 hours.Serum thyroid stimulating hormone(TSH)level was detected by Dissociation enhancement lanthanide fluoroimmuno assay(DELFIA).The cases diagnosed were analyszd for the clinicl characters and the incidence features.Result One hundred and fifty-eighet children with CH were diagnosed and the patients lived in 63 towns(streets)(66.3%).The distribution of CH was diffuse in Lianyungang.There was significant difference in incidence of CH between 2007 to June of 2008 and before 2006.Eighty-two patients were examined by thyroid gland color ultrasound,among which there were sixty-eight patients whoes thyroid glands were normal(82.9%)and fourteen patients were unusal(absent,replacement,hypogenesis)(17.1%).A couple of twins(male)and two embryoes from the same parents were screened for CH.Conclusion There are iodine lack(MUI300?g/L)individual among people.The iodine nutrition condition of pregnant women is one of important factor to influence the TSH level of newborns.Neonatal screeing is the only valid means to find patients with CH.
