PEDIATRICS Vol. 108 No. 3 September 2001, pp. 617-623
Childhood Outcome After Early High-Frequency Oscillatory Ventilation for Neonatal Respiratory Distress Syndrome
Received Sep 18, 2000; accepted Jan 15, 2001.
From the Department of Neonatology, Utah Valley Regional
Medical Center, Provo, Utah.
Objective. In a previous multicenter
controlled clinical trial, we randomly assigned surfactant-treated
premature newborns with moderate to severe respiratory distress
syndrome to early treatment with high-frequency oscillatory ventilation
(HFOV) or to conventional ventilation (CV). Compared with control
infants who were treated with CV, neonates who were treated with HFOV
using a strategy designed to recruit and maintain lung volume and
minimize oxygen exposure had clinical evidence of improved pulmonary
outcome and less lung injury. We report a follow-up study designed to
determine whether clinical differences persisted between these study
groups.
Methods. Patients were recruited from 81 survivors at 1 center (Provo, Utah) and evaluated for sociodemographic and health
history, growth, mental development, motor proficiency, and pulmonary
function.
Results. Eighty-seven percent of the cohort who originally
were assigned to treatment with HFOV (n = 36) or CV
(n = 33) were seen in follow-up at a mean age of 77 months (6.4 years). There were no differences in the frequency of
hospitalization, pulmonary illness, asthma, or disabilities. Growth,
verbal IQ, and motor development were appropriate for age and not
different between groups. Patients who initially were randomized to
treatment with CV showed pulmonary function evidence of decreased peak
expiratory flow, increased residual lung volume, and maldistribution of
ventilation.
Conclusion. Neurodevelopmental childhood outcome after
early intervention HFOV was normal and not different compared with
patients who were treated with CV. Surfactant replacement combined with
early HFOV using a lung recruitment strategy ameliorates the acute lung injury in respiratory distress syndrome that predisposes some preterm
infants to develop chronic lung disease.
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