Kartik K Venkatesh1, Wesley Jackson2, Brenna L Hughes3, Mathew M Laughon2, John M Thorp4, David M Stamilio5. 1. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC, USA. Kartik.venkatesh@unchealth.unc.edu. 2. Division of Neonatal-Perinatal Medicine, Department of Pediatrics, University of North Carolina, Chapel Hill, NC, USA. 3. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Duke University, Durham, NC, USA. 4. Division of General Obstetrics and Gynecology, Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC, USA. 5. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, NC, USA.
Abstract
OBJECTIVE: To investigate the association of chorioamnionitis, and secondarily its duration, on neonatal adverse outcomes for infants born <34 weeks vs. ≥34 weeks. STUDY DESIGN: A secondary analysis from the observational U.S. Consortium on Safe Labor Study. The exposure was chorioamnionitis, and secondarily, its estimated duration. The composite outcome included pneumonia, seizure, necrotizing enterocolitis, sepsis, periventricular/intraventricular/cerebral hemorrhage, mechanical ventilation, and neonatal death. Multivariable logistic regression with generalized estimating equations was used, stratified by gestational age at delivery. RESULTS: Among 221,274 deliveries, the odds of the neonatal adverse outcome <34 weeks was 2-fold higher among infants exposed to chorioamnionitis vs. those who were not (62.0 vs. 47.7%; AOR: 1.86; 95%CI: 1.25-2.75), and was ~3.5-fold higher ≥34 weeks (9.2 vs. 2.5%; AOR: 3.34; 95% CI: 2.35-4.76). The estimated duration of chorioamnionitis did not change the above associations. CONCLUSIONS: Chorioamnionitis was associated with an approximately 2- and 3.5-fold increased odds of neonatal adverse outcomes <34 and ≥34 weeks, respectively, regardless of its estimated duration.
OBJECTIVE: To investigate the association of chorioamnionitis, and secondarily its duration, on neonatal adverse outcomes for infants born <34 weeks vs. ≥34 weeks. STUDY DESIGN: A secondary analysis from the observational U.S. Consortium on Safe Labor Study. The exposure was chorioamnionitis, and secondarily, its estimated duration. The composite outcome included pneumonia, seizure, necrotizing enterocolitis, sepsis, periventricular/intraventricular/cerebral hemorrhage, mechanical ventilation, and neonatal death. Multivariable logistic regression with generalized estimating equations was used, stratified by gestational age at delivery. RESULTS: Among 221,274 deliveries, the odds of the neonatal adverse outcome <34 weeks was 2-fold higher among infants exposed to chorioamnionitis vs. those who were not (62.0 vs. 47.7%; AOR: 1.86; 95%CI: 1.25-2.75), and was ~3.5-fold higher ≥34 weeks (9.2 vs. 2.5%; AOR: 3.34; 95% CI: 2.35-4.76). The estimated duration of chorioamnionitis did not change the above associations. CONCLUSIONS:Chorioamnionitis was associated with an approximately 2- and 3.5-fold increased odds of neonatal adverse outcomes <34 and ≥34 weeks, respectively, regardless of its estimated duration.
Authors: Celeste Beck; Kelly Gallagher; Leigh A Taylor; Jeffery A Goldstein; Leena B Mithal; Alison D Gernand Journal: Obstet Gynecol Date: 2021-06-01 Impact factor: 7.623
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