SpO2 and retinopathy of prematurity: state of the art
2012
Aim: To evaluate the relationship between arterial saturation values determined by pulse oximetry in the first weeks of life on the incidence of retinopathy of prematurity (ROP). Methods: Randomized and observational studies were sought that compare the incidence of ROP in babies with high or low oxygen saturation targeting assisted by pulse oximetry. Results: Over the last 15 years, evidence from experimental models of ROP and clinical studies, albeit not randomized trials, has shown a reduction in the incidence of ROP and other neonatal morbidities when very preterm newborns were targeted to a lower level of arterial oxygen saturation during their hospitalization, particularly in the first few weeks after birth. More recent evidence from randomized controlled trials confirms that targeting to a lower vs higher level of oxygenation from birth to 36 weeks postmenstrual age (PMA) or to hospital discharge reduces the incidence of ROP requiring treatment by 50% but is correlated with higher mortality rates. ...
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