[An attempt to evaluate the dependence between the concentration of fT3, fT4 and TSH in blood serum and the chosen perinatal risk factors in prematurity born babies with Respiratory Distress Syndrome].

The aim of this work was to evaluate the influence of chosen perinatal risk factors on the level of fT3, fT4 and TSH in prematurely born babies with RDS. The enquiry included 100 new-born babies treated of prematurity and RDS in the Department of Neonatology and Intensive Care of the Specialist Hospital in Gdańsk. The analysis of the results revealed that the levels of fT3 and fT4 in blood serum of prematurely born babies show a clear dependence from gestational age, the babies' wellbeing directly after birth, FiO2 and the grade of respiratory insufficiency. It also revealed long-lasting features of hypothyreosis in new-borns receiving respiratory support for a longer period of time.