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  • Title: Early hypoadrenalism in premature infants at risk for bronchopulmonary dysplasia or death.
    Author: Nykänen P, Anttila E, Heinonen K, Hallman M, Voutilainen R.
    Journal: Acta Paediatr; 2007 Nov; 96(11):1600-5. PubMed ID: 17888053.
    Abstract:
    AIM: To study the relationship between serum cortisol and dehydroepiandrosterone sulphate (DHEAS) concentrations and death or bronchopulmonary dysplasia at 36 weeks of postmenstrual age in preterm infants. METHODS: Prospective measurement of cord, day of birth (D0) and day 4 (D4) serum cortisol and DHEAS concentrations and performance of low-dose (LD) ACTH tests in 89 preterm infants with gestational age <34 weeks at birth and in need of mechanical ventilation. RESULTS: Serum DHEAS levels correlated negatively with gestational age. At all sampling times, basal serum cortisol levels correlated positively with gestation-adjusted DHEAS levels (r = 0.39-0.46, p = 0.0032-<0.0001). The mean cord, D0 basal and stimulated cortisol, and cord and D0 DHEAS adjusted for gestational age were lower in the poor than good outcome infants (p < 0.02 for all). In the multiple logistic regression analyses, gestational age was the most significant factor affecting outcome, but low cord and D0 basal and stimulated cortisol and gestation-adjusted DHEAS levels also predicted poor outcome (OR 5.7-22; p = 0.049-0.014). CONCLUSIONS: Low cord and first day serum cortisol and DHEAS levels associated with poor outcome in preterm infants, which suggests general relative adrenocortical insufficiency in some premature newborns.
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