Journal
JOURNAL OF MEDICAL VIROLOGY
Volume 93, Issue 8, Pages 4738-4747Publisher
WILEY
DOI: 10.1002/jmv.26930
Keywords
Andes Hantavirus; hantavirus cardiopulmonary syndrome; hantavirus pulmonary syndrome; high volume hemofiltration; transpulmonary thermodilution; venoarterial extracorporeal membrane oxygenation
Categories
Funding
- Fondo Nacional de Investigacion en Salud (FONIS) [SAO7120045]
- Fondo Nacional de Ciencia y Tecnologia (Fondecyt) [1161447, 1201240]
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HVHF may contribute to supporting severe HCPS patients and avoiding the need for VA ECMO in some cases. Early connection to HVHF and a targeted strategy may increase the chance of success in these patients.
Background Hantavirus cardiopulmonary syndrome (HCPS) has a high lethality. Severe cases may be rescued by venoarterial extracorporeal membrane oxygenation (VA ECMO), alongside substantial complications. High volume hemofiltration (HVHF) is a depurative technique that provides homeostatic balance allowing hemodynamic stabilization in some critically ill patients. Methods We implemented HVHF before VA ECMO consideration in the last five severe HCPS patients requiring mechanical ventilation and vasoactive drugs admitted to our intensive care unit. Patients were considered HVHF-responders if VA ECMO was avoided and HVHF-nonresponders if VA ECMO support was needed despite HVHF. A targeted-HVHF strategy compounded by aggressive hyperoncotic albumin, sodium bicarbonate, and calcium supplementation plus ultrafiltration to avoid fluid overload was implemented on three patients. Results Patients had maximum serum lactate of 8.8 (8.7-12.8) mmol/L and a lowest cardiac index of 1.8 (1.8-1.9) L/min/m(2). The first two required VA ECMO. They were connected later to HVHF, displayed progressive tachycardia and declining stroke volume. The opposite was true for HVHF-responders who received targeted-HVHF. All patients survived, but one of the VA ECMO patients suffered a vascular complication. Conclusion HVHF may contribute to support severe HCPS patients avoiding the need for VA ECMO in some. Early connection and targeted-HVHF may increase the chance of success.
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