Mortality of Neonatal Respiratory Failure Related to Socioeconomic Factors in Hebei Province of China
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Dramatic progress has occurred in neonatal intensive care in tertiary centers in mid-eastern China. We investigated the characteristics of neonatal respiratory failure (NRF) including the incidence, management, outcomes and costs in 14 neonatal intensive care units (NICUs) of Hebei, a province at an intermediate economic level in China. Over a period of 12 consecutive months in 2007-2008, perinatal data were collected prospectively from all NICU admissions (n = 11,100). NRF was defined as severe hypoxemia requiring respiratory support for more than 24 h, and was diagnosed in 1,875 newborns (16.9%). The average birth weight of newborns with NRF was 2,200 g (range 600-5,500 g), with 60.9% <2,500 g, and 2% <1,000 g. The male:female ratio was 2.6:1. The leading diagnosis was respiratory distress syndrome; 58.3% of newborns with respiratory distress syndrome received surfactant. Continuous positive airway pressure was used more than ventilation (73.3 vs. 49.1%,p < 0.001). Overall, the mortality rate until discharge was 31.4% (583/1,859). Most deaths (432, 74.1%) followed a parental decision to withdraw care. NRF mortality varied in association with different gross domestic product levels, family annual income and nurse-to-bed ratios. The median cost of a hospital stay was 10,169 CNY (interquartile range: 6,745-16,386) for NRF survivors. We conclude that, despite the available respiratory support in these emerging NICUs, the mortality of NRF remains. This was associated with prematurity, standard of care but also with socioeconomic factors affecting treatment decisions. Assessment of efficacy of respiratory support for NRF in such emerging neonatal services should account for both standard of care and socioeconomic conditions.
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