Birth weight and postnatal growth in preterm born children are associated with cortisol in early infancy, but not at age 8 years

Psychoneuroendocrinology
Charlotte A RuysMartijn J J Finken

Abstract

Preterm birth has been associated with altered hypothalamic-pituitary-adrenal (HPA-) axis activity as well as cardiometabolic diseases and neurodevelopmental impairments later in life. We assessed cortisol from term age to age 8 y in children born preterm, to explore the development of HPA-axis activity in association with intrauterine and early-postnatal growth until 6 mo. corrected age. In 152 children born at a gestational age ≤32 wks. and/or with a birth weight ≤1,500g, random serum cortisol was assessed at term age (n=150), 3 mo. (n=145) and 6 mo. corrected age (n=144), and age 8 y (n=59). Salivary cortisol was assessed at age 8 y (n=75): prior to bedtime, at awakening, 15min after awakening, and before lunch. Cortisol was analyzed in association with birth weight-standard deviation score (SDS), being born small for gestational age (SGA), and combinations of intrauterine and postnatal growth: appropriate for gestational age (AGA) with or without growth restriction (AGA GR+ or AGA GR-) at 6 mo. corrected age, and SGA with or without catch-up growth (SGA CUG+ or SGA CUG-) at 6 mo. corrected age. Cross-sectional associations at all time points were analyzed using linear regression, and longitudinal associations were analyzed ...Continue Reading

Citations

May 30, 2019·Medicina·Indrė PetraitienėRasa Verkauskienė
Jul 28, 2020·The Journal of Clinical Endocrinology and Metabolism·Sandra SchulteBettina Gohlke
Aug 25, 2018·Pediatric Research·Charlotte A RuysMartijn J J Finken
Feb 13, 2019·PeerJ·Sachiko IwataOsuke Iwata
Mar 3, 2020·Growth Hormone & IGF Research : Official Journal of the Growth Hormone Research Society and the International IGF Research Society·Ann HellströmAnna Kistner

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