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Ann Thorac Surg 2004;77:1808-1810
© 2004 The Society of Thoracic Surgeons

Case report

Monitoring weaning from BIVAD thoratec with peak oxygen consumption

Pascal H. Colson, MDa*, Frederique Ryckwaert, MDa, Max Saussine, MDa, Marc Ferrière, MDb, Bernard Albat, MDc

a Department of Anesthesiology and Intensive Care, Hôpital Arnaud de Villeneuve, CHU Montpellier, Montpellier, France
b Department of Cardiology, Hôpital Arnaud de Villeneuve, CHU Montpellier, Montpellier, France
c Department of Cardiothoracic and Vascular Surgery, Hôpital Arnaud de Villeneuve, CHU Montpellier, Montpellier, France

Accepted for publication June 6, 2003.

* Address reprint requests to Dr Colson, Départment D'Anesthésie-Réanimation D, Hôpital Arnaud de Villeneuve, 291 Avenue du Doyen Giraud, 34295 Montpellier Cedex 5, France
e-mail: p-colson{at}chu-montpellier.fr

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 (VO2) and radionuclide-left ventricle ejection fraction. Progressive increase in peak VO2 during partial assistance occurred more than 2 months, from 10.3 to 19 mL · kg–1 · min–1. Successful explantation was realized when peak VO2 exceeded 15 mL · kg–1 · min–1 and radionuclide-left ventricle ejection fraction was more than 40% during off-pump testing.






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