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Incidence of respiratory disorders in neonates born between 34 and 36 weeks of gestation following exposure to antenatal corticosteroids between 24 and 34 weeks of gestation.
Am J Perinatol. 2008 Feb; 25(2):79-83.AJ

Abstract

We studied the effect of antenatal corticosteroids on the incidence of respiratory disorders in singleton neonates born between 34 and 36 weeks of gestation. Retrospective analysis was conducted of the incidence of respiratory distress syndrome (RDS) and other respiratory disorders (need for mechanical ventilation, continuous positive airway pressure, and prolonged oxygen therapy) among singleton neonates delivered between 34 and 36 weeks of gestation who were exposed to antenatal corticosteroids, compared with neonates who were not exposed. Statistical analyses included two-tailed T tests, two-way analysis of variance for continuous data, and chi-square analysis for ratios. A probability of 0.05 was considered significant. Between January 1, 2000, and December 31, 2004, 1078 neonates were born between 34 and 36 weeks of gestation. Information regarding antenatal corticosteroids was available in 1044: 574 neonates (53.2%) were exposed to antenatal corticosteroids and 470 (43.6%) were not. One thousand and eighteen neonates were admitted to the neonatal intensive care unit. Respiratory disorders were diagnosed in 140 of those exposed to antenatal steroids (24.4%) and in 382 of the nonexposed (81.3%) (P < 0.0001). Two hundred and ten neonates (20.6%) developed RDS: Of those, 43 were exposed to antenatal corticosteroids and 167 were not (incidence of RDS was 7.5% and 35.5%, respectively; P = 0.0001). The beneficial effects of corticosteroids were similar in both genders. It appears that the exposure of singleton pregnancies to antenatal corticosteroids between 24 and 34 weeks of gestation is associated with a significantly lower incidence of respiratory disorders among neonates born at 34 to 36 weeks of gestation. Further studies are needed to determine whether administering antenatal steroids to women experiencing preterm labor after 34 weeks of gestation would be associated with a similar beneficial effect.

Authors+Show Affiliations

Department of Obstetrics and Gynecology, Wright State University Boonshoft School of Medicine, Dayton, OH 45409, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

18188800

Citation

Ventolini, Gary, et al. "Incidence of Respiratory Disorders in Neonates Born Between 34 and 36 Weeks of Gestation Following Exposure to Antenatal Corticosteroids Between 24 and 34 Weeks of Gestation." American Journal of Perinatology, vol. 25, no. 2, 2008, pp. 79-83.
Ventolini G, Neiger R, Mathews L, et al. Incidence of respiratory disorders in neonates born between 34 and 36 weeks of gestation following exposure to antenatal corticosteroids between 24 and 34 weeks of gestation. Am J Perinatol. 2008;25(2):79-83.
Ventolini, G., Neiger, R., Mathews, L., Adragna, N., & Belcastro, M. (2008). Incidence of respiratory disorders in neonates born between 34 and 36 weeks of gestation following exposure to antenatal corticosteroids between 24 and 34 weeks of gestation. American Journal of Perinatology, 25(2), 79-83. https://doi.org/10.1055/s-2007-1022470
Ventolini G, et al. Incidence of Respiratory Disorders in Neonates Born Between 34 and 36 Weeks of Gestation Following Exposure to Antenatal Corticosteroids Between 24 and 34 Weeks of Gestation. Am J Perinatol. 2008;25(2):79-83. PubMed PMID: 18188800.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Incidence of respiratory disorders in neonates born between 34 and 36 weeks of gestation following exposure to antenatal corticosteroids between 24 and 34 weeks of gestation. AU - Ventolini,Gary, AU - Neiger,Ran, AU - Mathews,Lindsey, AU - Adragna,Norma, AU - Belcastro,Marc, Y1 - 2008/01/10/ PY - 2008/1/12/pubmed PY - 2008/5/30/medline PY - 2008/1/12/entrez SP - 79 EP - 83 JF - American journal of perinatology JO - Am J Perinatol VL - 25 IS - 2 N2 - We studied the effect of antenatal corticosteroids on the incidence of respiratory disorders in singleton neonates born between 34 and 36 weeks of gestation. Retrospective analysis was conducted of the incidence of respiratory distress syndrome (RDS) and other respiratory disorders (need for mechanical ventilation, continuous positive airway pressure, and prolonged oxygen therapy) among singleton neonates delivered between 34 and 36 weeks of gestation who were exposed to antenatal corticosteroids, compared with neonates who were not exposed. Statistical analyses included two-tailed T tests, two-way analysis of variance for continuous data, and chi-square analysis for ratios. A probability of 0.05 was considered significant. Between January 1, 2000, and December 31, 2004, 1078 neonates were born between 34 and 36 weeks of gestation. Information regarding antenatal corticosteroids was available in 1044: 574 neonates (53.2%) were exposed to antenatal corticosteroids and 470 (43.6%) were not. One thousand and eighteen neonates were admitted to the neonatal intensive care unit. Respiratory disorders were diagnosed in 140 of those exposed to antenatal steroids (24.4%) and in 382 of the nonexposed (81.3%) (P < 0.0001). Two hundred and ten neonates (20.6%) developed RDS: Of those, 43 were exposed to antenatal corticosteroids and 167 were not (incidence of RDS was 7.5% and 35.5%, respectively; P = 0.0001). The beneficial effects of corticosteroids were similar in both genders. It appears that the exposure of singleton pregnancies to antenatal corticosteroids between 24 and 34 weeks of gestation is associated with a significantly lower incidence of respiratory disorders among neonates born at 34 to 36 weeks of gestation. Further studies are needed to determine whether administering antenatal steroids to women experiencing preterm labor after 34 weeks of gestation would be associated with a similar beneficial effect. SN - 0735-1631 UR - https://www.unboundmedicine.com/medline/citation/18188800/Incidence_of_respiratory_disorders_in_neonates_born_between_34_and_36_weeks_of_gestation_following_exposure_to_antenatal_corticosteroids_between_24_and_34_weeks_of_gestation_ L2 - http://www.thieme-connect.com/DOI/DOI?10.1055/s-2007-1022470 DB - PRIME DP - Unbound Medicine ER -