High-frequency oscillation in the rescue of infants with persistent pulmonary hypertension

D. Kohelet, M. Perlman, H. Kirpalani, G. Hanna, G. Koren

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36 Scopus citations


High-frequency oscillatory ventilation (HFOV) was used to treat 41 infants with persistant pulmonary hypertension of the newborn (PPHN). Of the 37 patients who showed early improvement on HFOV, three died. The remaining 34 patients demonstrated, within one hour of the switchover to HFOV, a rise in mean arterial/alveolar oxygen tension ratio (PaO2/PAO2) from 0.093 ± 0.041 (SD) to 0.132 ± 0.051 (p < .001), and a fall in mean PaCO2 from 42 ± 10 to 34 ± torr 9 (p < .01). Mean airway pressure (Paw) fell significantly (p < .01) within 12 h. The mean duration of conventional mechanical ventilation before starting HFOV was longer in 13 patients who developed bronchopulmonary dysplasia (BPD) than in 21 non-BDP patients (44.7 ± 32.3 vs. 19.1 ± 15.6 h, p < .002), as was the duration of exposure to Paw > 15 cm H2O during that treatment mode (31.8 ± 21.3 vs. 9.5 ± 6.0 h, p < .001). HFOV is often effective in the treatment of patients with PPHN, and early initiation of this type of mechanical ventilation may be associated with a reduced incidence of BPD.

Original languageEnglish
Pages (from-to)510-516
Number of pages7
JournalCritical Care Medicine
Issue number5
StatePublished - 1988
Externally publishedYes


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