Epidemiology of congenital hypothyroidism in Markazi Province, Iran.

J Clin Res Pediatr Endocrinol 2014 ;6(2):105-10

abriz University of Medical Sciences, National Public Health Management Center, Department of Community Medicine, Tabriz, Iran. E-ma-il:

Objective: The aim of this study was to investigate the epidemiology of congenital hypothyroidism (CH) among newborns in Markazi Province, Iran.

Methods: This cross-sectional study was conducted from 2006 to 2012. Blood samples were taken between 3 to 5 days after birth from the heel. Thyroid stimulating hormone (TSH) was tested using the enzyme-linked immunosorbent assay method and was employed as the screening test. Newborns with abnormal screening results (TSH >5 mIU/L) were re-examined. The data were analyzed using SPSS.

Results: A total of 127 112 infants were screened. Of these, 51.2% were male and 48.8% were female. The coverage rate of the screening program was 100%. Of 6102 recalled subjects (re-call rate 4.8%), 414 cases with CH were detected, yielding a CH prevalence of 1:307 (female:male ratio 1:0.95). The prevalence of permanent and transient CH was 1:581 and 1:628, respectively.

Conclusion: This study reveals that the prevalence of CH is higher compared to worldwide levels. Comprehensive and complementary studies for recognizing related risk factors should be a priority for health system research in this province.

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Source
http://cms.galenos.com.tr/Uploads/Article_1153/Jcrpe-06-02-1
Publisher Site
http://dx.doi.org/10.4274/Jcrpe.1287DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4141571PMC
January 2015

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