Abstract
Background The aim of this study was to review current delivery room(DR)resuscitation intensity in Chinese tertiary neonatal intensive care units and to investigate the association between DR resuscitation intensity and short-term outcomes in preterm infants born at 24+0-31+6 weeks'gestation age(GA).Methods This was a retrospective cross-sectional study.The source population was infants born at 24+0-31+6 weeks'GA who were enrolled in the Chinese Neonatal Network 2019 cohort.Eligible infants were categorized into five groups:(1)regular care;(2)oxygen supplementation and/or continuous positive airway pressure(O2/CPAP);(3)mask ventilation;(4)endotracheal intubation;and(5)cardiopulmonary resuscitation(CPR).The association between DR resuscitation and short-term outcomes was evaluated by inverse propensity score-weighted logistic regression.Results Of 7939 infants included in this cohort,2419(30.5％)received regular care,1994(25.1％)received O2/CPAP,1436(18.1％)received mask ventilation,1769(22.3％)received endotracheal intubation,and 321(4.0％)received CPR in the DR.Advanced maternal age and maternal hypertension correlated with a higher need for resuscitation,and antenatal steroid use tended to be associated with a lower need for resuscitation(P＜0.001).Severe brain impairment increased significantly with increasing amounts of resuscitation in DR after adjusting for perinatal factors.Resuscitation strategies vary widely between centers,with over 50％of preterm infants in eight centers requiring higher intensity resuscitation.Conclusions Increased intensity of DR interventions was associated with increased mortality and morbidities in very preterm infants in China.There is wide variation in resuscitative approaches across delivery centers,and ongoing quality improve-ment to standardize resuscitation practices is needed.
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