Awake Prone Positioning in COVID-19 Patients

Prabhanjan Singh, Prerana Jain, Himanshu Deewan
Indian Journal of Critical Care Medicine 2020, 24 (10): 914-918

Background: The World Health Organization (WHO) has declared SARS-CoV-2 as pandemic. Patients with COVID-19 present mainly with respiratory symptoms. Prone position has been traditionally used in acute respiratory distress syndrome (ARDS) to improve oxygenation and prevent barotrauma in ventilated patients. Awake proning is being used as an investigational therapy in COVID to defer invasive ventilation, improve oxygenation, and outcomes. Hence, we conducted a retrospective case study to look for benefits of awake proning with oxygen therapy in non-intubated COVID patients.

Materials and methods: A retrospective case study of 15 COVID patients admitted from June 15 to July 1, 2020 to HDU in our hospital was conducted. Cooperative patients who were hemodynamically stable and SpO2 < 90% on presentation were included. Oxygen was administered through facemask, non-rebreathing mask and noninvasive ventilation to patients as per requirement. Patients were encouraged to maintain prone position and target time was 10-12 hours/day. SpO2 and P/f ratio in supine and prone position was observed till discharge. Primary target was SpO2 > 95% and P/f > 200 mm Hg. Other COVID therapies were used according to institutional protocol.

Results: The mean SpO2 on room air on admission was 80%. In day 1 to 3, the mean P/f ratio in supine position was 98.8 ± 29.7 mm Hg which improved to 136.6 ± 38.8 mm Hg after proning ( p = 0.005). The difference was significant from day 1 to 10. Two patients were intubated. The mean duration of stay was 11 days.

Conclusion: Awake prone positioning showed marked improvement in P/f ratio and SpO2 in COVID-19 patients with improvement in clinical symptoms with reduced rate of intubation.

Highlights: Prone position ventilation improves oxygenation by reducing V/Q mismatch.Awake prone positioning has been used along with high-flow oxygen therapy in recent pandemic of SARS-CoV-2 virus for management of mild to moderate cases.

How to cite this article: Singh P, Jain P, Deewan H. Awake Prone Positioning in COVID-19 Patients. Indian J Crit Care Med 2020;24(10):914-918.

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