hrp0082p2-d1-589 | Thyroid | ESPE2014

No Difference in Cognitive Development of Young Adults and Adolescents Affected by Congenital Hypothyroidism Compared to Their Sibling Controls Despite High Dose L-Thyroxin Treatment

Aleksander Paulina , Blankenstein Oliver , Gruters Annette , Krude Heiko

Background: An early diagnosis and treatment based on neonatal screening offers a normal cognitive development in patients affected with congenital hypothyroidism (CH). However, several studies within cohorts of young adults have shown a still existing difference compared to control groups of up to eight IQ points. Moreover it has been claimed recently that a high L-T4 dose with subsequent episodes of overtreatment results in less favourable IQ outcom...