[1] Hosp Clin San Carlos, Cardiovasc Inst, Cardiol, Madrid, Spain
[2] Inst Clin & Expt Med, Dept Anesthesiol & Intens Care Med, Cardiothorac Anesthesiol & Intens Care, Prague, Czech Republic
[3] Hosp Clin San Carlos, Dept Int Med, Arterial Hypertens Unit, Madrid, Spain
[4] Mayo Clin, Dept Anesthesiol & Perioperat Med, Phoenix, AZ USA