Hospital variation in medical and surgical treatment of patent ductus arteriosus.
AMERICAN JOURNAL OF PERINATOLOGY(2015)
摘要
ObjectiveThis study aims to characterize population risks for diagnosis, medical treatment, and surgical ligation of patent ductus arteriosus (PDA) in very low-birth-weight infants. Study DesignMaternal and neonatal data were collected in 40 hospitals in California during 2011 for infants with birth weight1,500g without any congenital malformation, with a diagnosis of PDA. Multivariable logistic regression was used to determine independent risks for PDA diagnosis and for surgical ligation. ResultsThere were 770/1,902 (40.4%) infants diagnosed with PDA. Low birth weight, gestational age, respiratory distress syndrome, and surfactant administration were associated with PDA diagnosis. Ligation occurred in 43% of patients with birth weight750g, in 24% of patients weighing between 715 and 1,000g, and in 12% of patients weighing from 1,001 to 1,500 g. Older gestational age (1week, odds ratio 0.55, 95% confidence interval 0.48-0.63) and absence of respiratory distress syndrome (odds ratio 0.14, 95% confidence interval 0.03-0.59) were associated with lower ligation risk. The median hospital ligation rate was 14% (interquartile range 0-38%). ConclusionMost patients with PDA receive treatment for closure. Practice variation may set the stage for further exploration of experimental trials.
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关键词
patent ductus arteriosus,ligation,very low birth weight
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