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Ann Thorac Surg. 2004 May;77(5):1808-10.

Monitoring weaning from BIVAD Thoratec with peak oxygen consumption.

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  • 1Department of Anesthesiology and Intensive Care, Hôpital Arnaud de Villeneuve, CHU Montpellier, Montpellier, France.


A biventricular assistance device has been implanted in a young woman for a peripartum cardiac failure. An intended weaning consisted of gradual reloading and exercise training monitored with peak oxygen consumption (VO(2)) and radionuclide-left ventricle ejection fraction. Progressive increase in peak VO(2) during partial assistance occurred more than 2 months, from 10.3 to 19 Successful explantation was realized when peak VO(2) exceeded 15 and radionuclide-left ventricle ejection fraction was more than 40% during off-pump testing.

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