1. Cardiac Surgery Unit, Department of Cardiac, Thoracic, and Vascular Sciences (A.C., E.M., L.B., E.B., A.F.., F.Z., L.B., R.B., G.G.)
2. Cardiology Unit, Policlinico di Abano Terme, Italy (R.B., G.D.).
3. Institute of Anesthesia, Department of Medicine (D.P.), University of Padua, Italy