Outcomes of Severe PARDS on High-Frequency Oscillatory Ventilation – A Single Centre Experience

  • Arpita Chattopadhyay
  • Samriti Gupta
  • Jhuma Sankar
  • Sushil K. Kabra
  • Rakesh LodhaEmail author
Original Article



To describe experience with high-frequency oscillatory ventilation (HFOV) in children with acute respiratory distress syndrome (ARDS) transitioned from conventional mechanical ventilation (CMV) due to refractory hypoxemia and to assess factors associated with survival and also compare outcomes of patients who were managed with early HFOV (within 24 h of intubation) vs. late HFOV.


This retrospective, observational study was conducted in a tertiary care hospital's pediatric intensive care unit. Thirty-four children with pediatric acute respiratory distress syndrome (PARDS) managed with HFOV were included.


Of 34 children with PARDS managed with HFOV after failure of conventional ventilation to improve oxygenation, 8 survived. Improvement in the Oxygenation Index (OI) at 48 h of initiation of HFOV along with percent increase in PaO2/FiO2 (P/F ratio) at 24 h of HFOV were predictors of survival. The response to HFOV, based on OI and P/F ratio, between 24 and 48 h of ventilation identified potential survivors. Also, lower positive end-expiratory pressure (PEEP) on CMV and shorter duration of CMV before initiation of HFOV were associated with survival.


Survival in pediatric ARDS patients treated with HFOV could be predicted by using trends of OI – with survivors showing a more rapid decline in OI between 24 and 48 h of initiation compared to non-survivors.


High-frequency oscillatory ventilation Conventional mechanical ventilation Pediatric ARDS 


Authors’ Contribution

RL and AC conceptualised the hypothesis for study. AC and SG collected the data. RL, AC, JS and SKK reviewed the manuscript. All authors consented to publication of article. RL is the guarantor for this paper.

Compliance with Ethical Standards

Conflict of Interest



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Copyright information

© Dr. K C Chaudhuri Foundation 2020

Authors and Affiliations

  • Arpita Chattopadhyay
    • 1
  • Samriti Gupta
    • 1
  • Jhuma Sankar
    • 1
  • Sushil K. Kabra
    • 1
  • Rakesh Lodha
    • 1
    Email author
  1. 1.Division of Pediatric Pulmonology and Intensive Care, Department of PediatricsAll India Institute of Medical SciencesNew DelhiIndia

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