Journal
BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY
Volume 130, Issue 9, Pages 1080-1086Publisher
WILEY
DOI: 10.1111/1471-0528.17433
Keywords
asphyxia; birth; chorioamnionitis; infection; labour; perinatal outcome; term pregnancy
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This retrospective cohort study investigated the association between clinical and laboratory characteristics of chorioamnionitis during term gestation deliveries and adverse neonatal outcomes. The results showed that elevated inflammatory laboratory markers were associated with neonatal infection and asphyxia-related complications.
Objective: To investigate the association between clinical and laboratory characteristics of chorioamnionitis in deliveries at term gestation with adverse neonatal outcomes.Design: Retrospective cohort study.Setting: The study is based on data from the Swedish Pregnancy Register, enriched with clinical data extracted from medical charts.Sample: A cohort of 500 term singleton deliveries in Stockholm County with registered diagnosis of chorioamnionitis (based on the assessment of the responsible obstetrician) in the Swedish Pregnancy Register between 2014 and 2020.Methods: Logistic regression was used to estimate odds ratios (ORs) as a measurement of the association between clinical and laboratory characteristics and neonatal complications.Main outcome measures: Neonatal infection and asphyxia-related complications.Results: The prevalence of neonatal infection and asphyxia-related complications was 10% and 22%, respectively. First leukocyte count in the second tertile (OR 2.14, 95% CI 1.02-4.49), maximum C-reactive protein (CRP) level in the third tertile (OR 4.01, 95% Cl 1.66-9.68) and positive cervical culture (OR 2.22, 95% Cl 1.10-4.48) were associated with an increased risk of neonatal infection. Maximum level of CRP in the third tertile (OR 1.93, 95% Cl 1.09-3.41) and fetal tachycardia (OR 1.63, 95% Cl 1.01-2.65) were associated with an increased risk of asphyxia-related complications.Conclusions: Elevated inflammatory laboratory markers were associated with both neonatal infection and asphyxia-related complications, and fetal tachycardia was associated with asphyxia-related complications. Based on these findings, the incorporation of maternal CRP in the management of chorioamnionitis should be considered, and a continuous communication between obstetric and neonatal care extending past the delivery time point endorsed.
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