Clinical Research Directory

Inclusion Criteria: * Patients who are equal to or over 18 years old * Patients scheduled to undergo elective surgery for the following procedures: * Infrainguinal arterial reconstruction * Aortic aneurysm * Aorto-bifemoral bypass / or aortic endarterectomy * Femoro-popliteal bypass * Femoro-distal bypass * Femoral endarterectomy * Femoro-femoral crossover * Axillo-femoral bypass * Elective carotid surgery * Patients having either general or regional anaesthesia for their surgery Exclusion Criteria:- * Patients undergoing emergency surgery * Those who are unable or unwilling to give informed consent * Patients with unstable coronary syndromes (acute or recent MI with evidence of important ischemic risk by clinical symptoms or stress testing or unstable or severe angina pectoris) * Patients with decompensated heart failure (new onset shortness of breath and rales together with echocardiographic evidence of cardiac dysfunction or deterioration of chronic heart failure despite heart failure therapy) * Patients with chronic atrial fibrillation