Perinatal Center Kumamoto City Hospital Kumamoto City

Kumamoto-shi, Japan

Perinatal Center Kumamoto City Hospital Kumamoto City

Kumamoto-shi, Japan
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Inomata K.,Perinatal Center Kumamoto City Hospital Kumamoto City | Taniguchi S.,Perinatal Center Kumamoto City Hospital Kumamoto City | Yonemoto H.,Perinatal Center Kumamoto City Hospital Kumamoto City | Inoue T.,Perinatal Center Kumamoto City Hospital Kumamoto City | And 2 more authors.
Pediatrics International | Year: 2016

Background: Early postnatal hyperoxia is a major risk factor for retinopathy of prematurity (ROP) in extremely premature infants. To reduce the occurrence of ROP, we adopted a lower early postnatal oxygen saturation (SpO2) target range (85-92%) from April 2011. Lower SpO2 target range, however, may lead to hypoxemia and an increase in the risk of ductus arteriosus (DA) closure failure. The aim of this study was therefore to determine whether a lower SpO2 target range, during the early postnatal stage, increases the risk of DA closure failure. Methods: Infants born at <28 weeks' gestation were enrolled in this study. Oxygen saturation target range during the first postnatal 72 h was 84-100% in study period 1 and 85-92% in period 2. Results: Eighty-two infants were included in period 1, and 61 were included in period 2. The lower oxygen saturation target range increased the occurrence of hypoxemia during the first postnatal 72 h. Prevalence of DA closure failure in period 2 (21%) was significantly higher than that in period 1 (1%). On multivariate logistic regression analysis, the lower oxygen saturation target range was an independent risk factor for DA closure failure. Conclusion: Lower early postnatal oxygen saturation target range increases the risk of DA closure failure. © 2016 Japan Pediatric Society.

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