• A Vierzig, M Günther, A Kribs, and B Roth.
• Pediatric and Neonatal Intensive Care Unit, Children's Hospital, University of Cologne, FRG.
• Crit. Care Med. 1994 Sep 1; 22 (9 Suppl): S83-7.

ObjectiveTo generate hypotheses about which subgroups of newborns with severe respiratory distress syndrome might benefit most from high-frequency oscillatory ventilation.DesignRetrospective analysis of a case series of newborns with severe respiratory distress syndrome who were treated in our department with high-frequency oscillatory ventilation.SettingReferral center for neonatal and pediatric intensive care medicine.PatientsAll newborns (n = 18), admitted between June 1991 and February 1993, of various gestational ages (26 to 41 wks), with severe respiratory distress syndrome caused by various underlying pulmonary diseases who did not respond to conventional therapy and who thus were treated with high-frequency oscillatory ventilation.Main Outcome MeasuresSurvival until discharge from our unit and persistent improvement of gas exchange.ResultsEight (44%) of 18 patients survived; ten (55%) patients died. Four (22%) survivors showed marked clinical improvement with the initiation of high-frequency oscillatory ventilation. Four (22%) survivors did not respond to high-frequency oscillatory ventilation. The responder group consisted of term or near-term neonates (gestational age at least 35 wks) with pulmonary disease that was complicated by persistent pulmonary hypertension. The group of premature neonates with a gestational age of < 35 wks did not respond to high-frequency oscillatory ventilation.ConclusionsAs a result of our analysis, we hypothesize that term newborns with severe respiratory distress syndrome complicated by persistent pulmonary hypertension and hypercarbia can benefit from high-frequency oscillatory ventilation. Premature neonates with ventilation-induced lung injury are not likely to respond to high-frequency oscillatory ventilation.

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