one of the most preventable causes of mental and growth retardation is congenital hypothyroidism (ch). this study tries to investigate growth and mental outcome of patients with ch. since november 2006 and november 2007 in guilan province, north of iran, all neonates who were diagnosed with ch, evaluated for etiology of ch by laboratory follow up, thyroid sonography or scan. growth and developm...

background primary congenital hypothyroidism (ch) is the most common treatable cause of mental retardation and can be classified into permanent and transient types. the purpose of this study was to determine the prevalence of permanent and transient congenital hypothyroidism (ch) in hamadan, west province of iran. methods the study population included all cases with primary congenital hypothyro...

background: congenital hypothyroidism (ch) is the most common endocrine diseases and one of the major causes of preventable mental retardation. this study was conducted to investigate the prevalence of transient and permanent congenital hypothyroidism in kurdistan province, iran.materials and methods: in this cross-sectional study, all registered congenital hypothyroidism neonate of health cent...

congenital hypothyroidism is a condition of thyroid hormone deficiency. approximately 1 in 4000 newborn infants has a deficiency of thyroid function. the aim of this study is determination of the prevalence of permanent and transient congenital hypothyroidism (ch) in yazd, iran.from may 2006 to june 2008, 35377 newborns were screened by measuring serum tsh obtained by heel prick. the neonates w...

Background: Congenital hypothyroidism increases the risk of sensorineural hearing loss (SNHL). Children with hearing impairment are prone to communication disorders. The present study aimed to determine the prevalence of SNHL in patients with congenital hypothyroidism in Qazvin, Iran. Methods: This cross-sectional study was conducted on children with transient or permanent congenital hypothyroi...

OBJECTIVE We investigated the prevalence of congenital renal and urologic anomalies in children with congenital hypothyroidism to determine whether further renal and urologic investigations would be of benefit. STUDY DESIGN Prevalence of congenital hypothyroidism was obtained from the New York State Congenital Malformation Registry. The occurrence of urinary tract anomalies were calculated fo...

Background: Although numerous observational studies have investigated the association between gender and risk of congenital hypothyroidism, the role of gender as a risk factor for congenital hypothyroidism remains unknown.Thismeta-analysis was conducted to summarize the epidemiologic evidence of the effect of gender on the congenital hypothyroidism occurrence, and also to identify the sex ratio...

In babies with congenital hypothyroidism, goiter and respiratory distress (due to upper airway compression/hypothyroidism) are rarely encountered as the first presenting signs. Computerized Tomography of neck revealed enlargement all thyroid gland lobes further laboratory hypothyroidism. Thyroid hormone replacement therapy was initiated early, which resulted in a significant reduction regressio...

background the national program of neonatal screening was performed in 2005 in iran. according to the studies, the outbreak of congenital hypothyroidism (ch) was one in every 670 live births in 2011. the prevalence of the disease in the world is 1 in 3000. the mean prevalence of this disease in iran is estimated to be 1 in 1,000, which indicates a high prevalence of the disease in iran. conclus...