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Year : 2014  |  Volume : 30  |  Issue : 1  |  Page : 65-70

High-frequency percussive ventilation in severe acute respiratory distress syndrome: A single center experience

Department of Intensive Care, University Hospital, Vrije Universiteit Brussel, Laarbeeklaan 101, B-1090 Brussels, Belgium

Correspondence Address:
Herbert Spapen
Department of Intensive Care, University Hospital, Vrije Universiteit Brussel, Laarbeeklaan 101, B-1090 Brussels
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-9185.125706

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Background: Few studies have investigated high-frequency percussive ventilation (HFPV) in adult patients with acute respiratory distress syndrome (ARDS). Materials and Methods: We retrospectively analyzed data from critically ill-patients with moderate and severe ARDS who received HFPV. Ventilation and oxygenation were governed according to a predefined protocol. HFPV was continued until patients could be switched to conventional ventilation. Results: A total of 42 patients (20 with pneumonia-related ARDS and 22 non-septic ARDS cases) were evaluable. Baseline demographic characteristics, severity of illness, lung injury score; pH and respiratory variables were comparable between pneumonia and non-sepsis-related ARDS. Within 24 h, HFPV restored normal pH and PaCO 2 and considerably improved oxygenation. Oxygenation improved more in non-septic than in pneumonia-related ARDS. Patients with pneumonia-induced ARDS also remained longer HFPV-dependent (7.0 vs. 4.9 days; P < 0.05). Mortality at 30 days was significantly higher in pneumonia-related than in non-sepsis-related ARDS (50% vs. 18%; P = 0.01). Conclusions: HFPV caused rapid and sustained improvement of oxygenation and ventilation in patients with moderate to severe ARDS. Less improved oxygenation, longer ventilator dependency and worse survival were observed in pneumonia-related ARDS.

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