Initial evaluation of thyroid dysfunction - Are simultaneous TSH and fT4 tests necessary?

Claudio SchneiderMartin FellerDouglas C BauerTinh-Hai ColletBruno R da CostaReto AuerRobin P PeetersSuzanne J BrownAlexandra P BremnerPeter C O'LearyPeter FeddemaPeter J LeedmanDrahomir AujeskyJohn P WalshNicolas Rodondi

Published in: PloS one (2018)

The two-step approach may avoid measuring fT4 in as many as 93% of individuals with a very small risk of missing thyroid dysfunction. Our findings do not support the simultaneous initial measurement of both TSH and fT4.

Keyphrases

oxidative stress