4.1 Article

Predictors of mortality for preterm infants with intraventricular hemorrhage: a population-based study

期刊

CHILDS NERVOUS SYSTEM
卷 34, 期 11, 页码 2203-2213

出版社

SPRINGER
DOI: 10.1007/s00381-018-3897-4

关键词

State inpatient databases; Preterm neonates; Survival analysis; ICD-9-CM

资金

  1. National Center for Advancing Translational Sciences (NCATS) of the National Institutes of Health (NIH) [UL1 TR000448, TL1 TR000449]
  2. Agency for Healthcare Research and Quality (AHRQ) [R24 HS19455]
  3. National Cancer Institute (NCI) at the NIH [KM1CA156708]
  4. NIH [K02 NS089852]

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Purpose The goal of this longitudinal, population-level study was to examine factors affecting mortality in preterm infants with intraventricular hemorrhage (IVH). Methods The study examined patients who were born at 36 weeks estimated gestational age (EGA) or less with a diagnosis of IVH between the years 2005 and 2014 using data from the New York and Nebraska State Inpatient Databases. Potential predictors for mortality were investigated with multivariable survival analysis. Results The cohort included 7437 preterm infants with IVH. All-cause inpatient mortality occurred in 746 (10.0%). The majority of deaths were in infants born at less than 25weeks EGA (378 or 50.7%) and with birthweight less than 750g (459 or 61.5%). Mortality was highest for children with grade IV IVH (306/848 or 36.1%), followed by grades III (203/955 or 21.3%), II (103/1328 or 7.8%), and I (134/4306 or 3.1%). Hydrocephalus was diagnosed within 6 months in 627 (8.4%) patients, with cerebrospinal fluid shunts required in 237 (3.2%). Shunts were eventually revised in 122 (51.5% of shunts), and 43 (18.1%) had infections. Multivariable Cox survival analyses found male sex (HR 1.3 [95% CI 1.1-1.5]), Asian race (HR 1.5 [1.1-2.2]), lower EGA (HR 9.9 [6.3-15.5] for <25 weeks), higher IVH grade (HR 6.1 [4.9-7.6] for grade IV), gastrostomy (HR 4.0 [2.0-7.7]), tracheostomy (HR 3.5 [1.7-7.1]), and shunt infection (HR 3.2 [1.0-9.9]) to be independently associated with increased mortality risk. Conclusions This database is the first of its kind assembled for population-based investigations of long-term neurosurgical outcomes in preterm infants with IVH.

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