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Extracorporeal Membrane Oxygenation with Right Ventricular Assist Device for COVID-19 ARDS
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8 2021
Source: J Surg Res. 264:81-89 -
Alternative Title:J Surg Res
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Personal Author:
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Description:Background:
Right ventricular failure is an underrecognized consequence of COVID-19 pneumonia. Those with severe disease are treated with extracorporeal membrane oxygenation (ECMO) but with poor outcomes. Concomitant right ventricular assist device (RVAD) may be beneficial.
Methods:
A retrospective analysis of intensive care unit patients admitted with COVID-19 ARDS (Acute Respiratory Distress Syndrome) was performed. Non-intubated patients, those with acute kidney injury, and age > 75 were excluded. Patients who underwent RVAD/ECMO support were compared with those managed via invasive mechanical ventilation (IMV) alone. The primary outcome was in-hospital mortality. Secondary outcomes included 30-day mortality, acute kidney injury, length of ICU stay, and duration of mechanical ventilation.
Results:
A total of 145 patients were admitted to the ICU with COVID-19. Thirty-nine patients met inclusion criteria. Of these, 21 received IMV, and 18 received RVAD/ECMO. In-hospital (52.4 vs 11.1%, p=0.008) and 30-day mortality (42.9 vs 5.6%, p=0.011) were significantly lower in patients treated with RVAD/ECMO. Acute kidney injury occurred in 15 (71.4%) patients in the IMV group and zero RVAD/ECMO patients (p<0.001). ICU (11.5 vs 21 days, p=0.067) and hospital (14 vs 25.5 days, p=0.054) length of stay were not significantly different. There were no RVAD/ECMO device complications. The duration of mechanical ventilation was not significantly different (10 vs 5 days, p=0.44).
Conclusions:
RVAD support at the time of ECMO initiation resulted in the no secondary end-organ damage and higher in-hospital and 30-day survival versus IMV in specially selected patients with severe COVID-19 ARDS. Management of severe COVID-19 ARDS should prioritize right ventricular support.
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Pubmed ID:33789179
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Pubmed Central ID:PMC7969863
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