hrp0094p2-480 | Thyroid | ESPE2021

TBG deficiency and Central Congenital Hypothyroidism (CCH): Our experience in neonatal screening with TSH and T4

Chueca Maria J. , Grau Gema , Bertholt Laura , Artola Elena , Fernández Concepción , Sarasua Ainhoa , Rodriguez Amaia , Vela Amaia , Belza Amaia , Berrade Sara , Dura Teodoro , Alonso Pablo , Puges Laura , Diez Ignacio , Espada Mercedes , Ederra Maria , Ascunce Nieves , Porras Begoña , Rica Itxaso

Objective: Analyze CCH detection program results from 3 Autonomous Communities: TSH and total T4 (TT4) in dried blood spot (DBS) at initial screening (48 hours of life) and at retesting. Describe the characteristics of neonates with screening compatible with CCH. Consider whether TBG deficiency (TBGD) is an added difficulty in said study.Materials and Methods: Retrospective study (May 2016-May 2020) of all neonates ≥33 weeks and/or ≥1500 gr...