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- Title
17-hydroxiprogesterone values in healthy preterm infants.
- Authors
Mendoza-Rojas, Víctor Clemente; Díaz-Martínez, Luis Alfonso; Mantilla-Mora, Gerardo; Contreras-García, Gustavo Adolfo; Mora-Bautista, Víctor Manuel; Martínez-Paredes, Jhon Freddy; Calderón-Rojas, Alba Luz; Gómez-Tarazona, Carlos Augusto; Pinzón-Mantilla, Katherine
- Abstract
Introduction: In preterm newborn, problems with the interpretation of 17-OHP may occur. Objective: Evaluate 17-OHP values in healthy preterm newborns until they reach the corrected gestational age. Methods: Longitudinal study of 36 preterm infants with 17-OHP evaluation using ELISA from heel blood from 3 to 5 days and thereafter every 2 weeks until the corrected gestational age. Values adjusting multiple variables such as gestational age, birth weight and sex, among others were compared. The results were analyzed against 82 healthy fullterm infants. Results: In the first week of life, early term infants born within less than 34 months of gestational age show 17-OHP values that are much higher than the full term neonates. After a week, the values decrease and stabilize, but are still higher than those of full term neonates and remain so even at the corrected gestational age (average difference of 63.0%, CI 95%: 11.8%-115.5%). 33.6% (41 samples) of a total of 122 samples taken from preterm infants were higher than 30 ng/mL. Conclusions: 17-OHP values in early term infants are higher than those in full term neonates and can be related to postnatal adaptive processes. It is suggested that a second screening at the 37th week of corrected age be performed.
- Subjects
17-hydroxyprogesterone; HYDROXYPROGESTERONE; ADRENOGENITAL syndrome; BIRTH weight; CONFIDENCE intervals; ENZYME-linked immunosorbent assay; GESTATIONAL age; PREMATURE infants; LONGITUDINAL method; MEDICAL screening; PROGESTERONE; PUERPERIUM; SEX distribution; CHILDREN
- Publication
Colombia Medica, 2017, Vol 48, Issue 4, p161
- ISSN
0120-8322
- Publication type
Article
- DOI
10.25100/cm.v48i4.2893