Introduction

The use of extracorporeal membrane oxygenation (ECMO) has increased exponentially in recent years and has shown to be effective in treating adult respiratory distress syndrome (ARDS) secondary to HiNi-related pneumonia. However, evidence remains controversial. This study describes a case series of ECMO in ARDS secondary to viral pneumonia.

Methods

A search was conducted in the ECMO database of Fundación Cardiovascular de Colombia for the 20132017 period. A case series report was written of patients diagnosed with ARDS secondary to confirmed or suspected viral pneumonia.

Results

Nineteen patients with ECMO support and ARDS due to viral pneumonia were included in the study. The survival rate upon discharge was 11 patients (58%) and weaning from ECMO support was successful in 13 patients (68%). Hemorrhagic complications were the most frequent: gastrointestinal bleeding, 10 patients (53%); intracranial bleeding, 2 (10%); alveolar hemorrhage, 2 (10%);' hemothorax requiring thoracostomy with chest tube drainage, 2 (10%); cannulation site bleeding, 9 patients (47%); and surgical site bleeding in 3 patients (25%) who required tracheostomy. Other complications were: pneumothorax, 1 patient (5%); sepsis, 6 patients (32%); and growth of microorganisms in bronchial lavage, 6 patients (32%).

Conclusions

This study supports the use of veno-venous ECMO to achieve a higher survival rate than expected in patients with severe ARDS and refractory hypoxemia secondary to viral pneumonia. Early initiation of the therapy should improve overall results.

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