Introduction:

Prone positioning (PP) was the most used strategy in patients with CO VID-19 and refractory hypoxemia. Our objective was to describe the clinical character istics and evolution of patients with severe Covid-19 who required this procedure. Also to evaluate the relationship between risk factors and mortality.

Materials and method:

Observational retrospective descriptive study. Patients older than 18 years old with COVID-19 under mechanical ventilation (AVM) who required PP were included. Follow-up was carried out for 28 days. Complications associated with PP were recorded. Factors associated with mortality were analyzed using Cox regression.

Results:

Prone position was performed in 28 patients. The average age was 52.43 years and a median Charlson Score of 1 [0.00, 2.00]. The median number of days of AVM was 17.00 [IQR 13.00, 23.00] and 28.6% managed to be extubated. The median number of days in the ICU was 19.50 [IQR 14.00, 23.50] with a mortality of 53.6%. 35.7% needed 2 PD cycles with a predominant duration of 24-36 hours. 89.4% had pressure ulcers. Those who died spent fewer days in ICU (16 vs 28; p=0.006) and only one of them had managed to be extubated (1 vs 7, p = 0.011). No factors associated with mortality were found in the Cox regression.

Conclusion:

The study population consisted predominantly of males in an average age close to the fifth decade, with an approximate mortality of 50%. No statistically significant relationship was found between risk factors and mortality.

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