The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2020
Mild neonatal complications following guideline-compliant vacuum-assisted delivery in Japan: improvements still needed.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Egami Naoki, Muta Ryuji, Korematsu Tatsuya, Koga Hiroshi
Аннотация
INTRODUCTION: Neonatal cephalohematoma and hyperbilirubinemia are often encountered after vacuum-assisted delivery. For safe obstetric practice, guidelines for vacuum procedure were published in 2014 in Japan. We aimed to identify the risk of mild neonatal complications since guideline introduction.
METHODS: This retrospective observational study included singleton deliveries at term gestation from 2015 to 2019 at a single perinatal center in Japan. Incidences of neonatal jaundice requiring phototherapy, cephalohematoma, and umbilical artery pH <7.10 were determined and risk factors relevant to the development of hyperbilirubinemia were evaluated.
RESULTS: Of 1010 deliveries during the study period, vacuum procedures were attempted in 183 (18%). Guideline recommendations were fully adhered to in over 98% of vacuum procedures. Phototherapy for neonatal hyperbilirubinemia was performed in 75 (41%) of 183 deliveries with vacuum procedure, cephalohematoma occurred in 35 (19%), and umbilical artery pH <7.10 was observed in 10 (5.5%), all of which were significantly higher than without vacuum procedure, such as hyperbilirubinemia (11%, risk ratio [RR] = 3.8, 95% confidence interval [CI] = 2.9 - 4.9, p < .0001), cephalohematoma (1.0%, RR = 19.8, 95%CI = 9.3 - 41.9, p < .0001), and umbilical artery pH <7.10 (0.6%, RR = 9.0, 95%CI = 3.1 - 26.1, p < .0001). Multiple logistic regression analysis demonstrated that vacuum procedure was the factor most strongly associated with neonatal hyperbilirubinemia (odds ratio = 3.5, 95%CI = 2.2 - 5.5, p < .0001).
DISCUSSION: Vacuum procedure is an important option for the safe vaginal delivery. However, neonates should be observed for development of jaundice to prevent kernicterus even after optimally performed vacuum-assisted delivery.
METHODS: This retrospective observational study included singleton deliveries at term gestation from 2015 to 2019 at a single perinatal center in Japan. Incidences of neonatal jaundice requiring phototherapy, cephalohematoma, and umbilical artery pH <7.10 were determined and risk factors relevant to the development of hyperbilirubinemia were evaluated.
RESULTS: Of 1010 deliveries during the study period, vacuum procedures were attempted in 183 (18%). Guideline recommendations were fully adhered to in over 98% of vacuum procedures. Phototherapy for neonatal hyperbilirubinemia was performed in 75 (41%) of 183 deliveries with vacuum procedure, cephalohematoma occurred in 35 (19%), and umbilical artery pH <7.10 was observed in 10 (5.5%), all of which were significantly higher than without vacuum procedure, such as hyperbilirubinemia (11%, risk ratio [RR] = 3.8, 95% confidence interval [CI] = 2.9 - 4.9, p < .0001), cephalohematoma (1.0%, RR = 19.8, 95%CI = 9.3 - 41.9, p < .0001), and umbilical artery pH <7.10 (0.6%, RR = 9.0, 95%CI = 3.1 - 26.1, p < .0001). Multiple logistic regression analysis demonstrated that vacuum procedure was the factor most strongly associated with neonatal hyperbilirubinemia (odds ratio = 3.5, 95%CI = 2.2 - 5.5, p < .0001).
DISCUSSION: Vacuum procedure is an important option for the safe vaginal delivery. However, neonates should be observed for development of jaundice to prevent kernicterus even after optimally performed vacuum-assisted delivery.