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Longitudinal study of plasma cortisol and 17-hydroxyprogesterone in very-low-birth-weight infants during the first 16 weeks of life. 1997

J Arnold, and G Leslie, and J Bowen, and S Watters, and D Kreutzmann, and M Silink
Department of Neonatology, Royal North Shore Hospital, St Leonards, Australia. jdarnold@blackburn.med.su.cz.au

There are few published data on plasma cortisol and 17-hydroxyprogesterone (17-OHP) in very-low-birth-weight (VLBW) infants beyond the 1st week of life. We therefore measured plasma cortisol and 17-OHP longitudinally in 26 infants (median birth weight 930 g, median gestational age 28 weeks) from 1 to 16 postnatal weeks to document normative values. We also examined the effect of clinical state on plasma cortisol and 17-OHP levels. Median plasma cortisol decreased with postnatal age from 1 to 8 weeks (110 vs. 60 nmol/l; p = 0.0007) and with postconceptional age from 25 to 36 weeks (104 vs. 47 nmol/l; p = 0.002). Median plasma 17-OHP decreased with postnatal age from 1 to 16 weeks (17.0 vs. 7.1 nmol/l; p < 0.0005) and also with postconceptional age from 25 to 42 weeks (21.1 vs. 7.1 nmol/l; p < 0.0005). Plasma cortisol was not influenced by the clinical state. Median plasma 17-OHP was significantly higher for 'unwell' versus 'well' infants at 5-8 weeks postnatal age (23.0 vs. 12.5 nmol/l; p = 0.012) but not at other postnatal age intervals. These data provide information on adrenocortical function in VLBW infants during the first 4 months of life.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008137 Longitudinal Studies Studies in which variables relating to an individual or group of individuals are assessed over a period of time. Bogalusa Heart Study,California Teachers Study,Framingham Heart Study,Jackson Heart Study,Longitudinal Survey,Tuskegee Syphilis Study,Bogalusa Heart Studies,California Teachers Studies,Framingham Heart Studies,Heart Studies, Bogalusa,Heart Studies, Framingham,Heart Studies, Jackson,Heart Study, Bogalusa,Heart Study, Framingham,Heart Study, Jackson,Jackson Heart Studies,Longitudinal Study,Longitudinal Surveys,Studies, Bogalusa Heart,Studies, California Teachers,Studies, Jackson Heart,Studies, Longitudinal,Study, Bogalusa Heart,Study, California Teachers,Study, Longitudinal,Survey, Longitudinal,Surveys, Longitudinal,Syphilis Studies, Tuskegee,Syphilis Study, Tuskegee,Teachers Studies, California,Teachers Study, California,Tuskegee Syphilis Studies
D008297 Male Males
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006854 Hydrocortisone The main glucocorticoid secreted by the ADRENAL CORTEX. Its synthetic counterpart is used, either as an injection or topically, in the treatment of inflammation, allergy, collagen diseases, asthma, adrenocortical deficiency, shock, and some neoplastic conditions. Cortef,Cortisol,Pregn-4-ene-3,20-dione, 11,17,21-trihydroxy-, (11beta)-,11-Epicortisol,Cortifair,Cortril,Epicortisol,Hydrocortisone, (11 alpha)-Isomer,Hydrocortisone, (9 beta,10 alpha,11 alpha)-Isomer,11 Epicortisol
D000375 Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. Senescence,Aging, Biological,Biological Aging
D019102 Infant, Very Low Birth Weight An infant whose weight at birth is less than 1500 grams (3.3 lbs), regardless of gestational age. Very Low Birth Weight,Very-Low-Birth-Weight Infant,Infant, Very-Low-Birth-Weight,Infants, Very-Low-Birth-Weight,Very Low Birth Weight Infant,Very-Low-Birth-Weight Infants
D019326 17-alpha-Hydroxyprogesterone A metabolite of PROGESTERONE with a hydroxyl group at the 17-alpha position. It serves as an intermediate in the biosynthesis of HYDROCORTISONE and GONADAL STEROID HORMONES. 17-Hydroxyprogesterone,17 alpha-Hydroxyprogesterone,17-Hydroxyprogesterone, (17 alpha)-Isomer,17-Hydroxyprogesterone, (9 beta, 10 alpha)-Isomer,17 Hydroxyprogesterone,17 alpha Hydroxyprogesterone

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