期刊
JOURNAL OF PERINATOLOGY
卷 41, 期 6, 页码 1269-1277出版社
SPRINGERNATURE
DOI: 10.1038/s41372-021-00964-4
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The study found that NLR values in preterm neonates at 0-12 hours and 13-24 hours after birth predicted the occurrence of fetal chorioamnionitis better than chance, potentially identifying high-risk preterm neonates.
Objective Histologic chorioamnionitis (HCA) is a placental inflammation linked to preterm birth and adverse neonatal outcome. The neutrophil-lymphocyte ratio (NLR) can identify various inflammatory disorders, however its utility in HCA is not clear. Our goal was to examine NLR values and HCA diagnoses in at-risk pregnancies and neonates. Study design We retrospectively analyzed the EHR of mothers and preterm (<33 wk GA) neonates with or without HCA (identified by placental histology). The NLR was calculated from complete blood counts in laboring women and in their neonates (0-24 h of life). Result In 712 consecutive gestations, 50.8% had HCA (26.5% fetal HCA). The neonatal NLR (0-12 h, 13-24 h) predicted fetal HCA better than chance alone (p = 0.01 and 0.002, respectively). Conclusion Early NLR elevation in preterm neonates is consistent with a diagnosis of fetal HCA. The NLR may identify preterm neonates at risk for HCA-related complications.
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