💬In plain words
What the trial is, and whether it could suit you
* Background: One of the main goals of the Cardiopulmonary By-Pass (CPB) is targeting an adequate Mean Arterial Pressure (MAP), in order to maintain appropriate perfusion pressures in all end-organs during heart surgery. As inheritance of early studies, a value of 50-60 mmHg has been historically accepted as the "gold standard" MAP. However, in the last decades, the CPB management has remarkably changed, thanks to the evolution of technology and the availability of new biomaterials. Therefore, as already highlighted by the latest European Guidelines, the current management of CPB can no longer refer to those pioneering studies. To date, only few single-centre studies have compared different strategies of MAP management during CPB, but with contradictory findings and without achieving a real consensus. Therefore, what should be the ideal strategy of MAP management during CPB is still on d
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📋 Eligibility rules (as published)
Inclusion Criteria:
* Elective surgery
* Index of surgical risk Euroscore II \< 9%
* The following procedures will be considered: Isolated or combined with aortic or mitral valve surgery coronary artery bypass graft surgery for acute or chronic coronary artery disease isolated aortic valve replacement for aortic stenosis and/or aortic regurgitation ; isolated mitral valve repair or replacement for mitral stenosis and/or mitral regurgitation; isolated ascending aorta surgery with or without aortic valve replacement
* Surgical approach through complete and/or mini-sternotomy
* Preserved or mildly reduced left ventricular ejection fraction (LVEF ≥ 40%) at preoperative echocardiography
* Patients with an estimated Glomerular filtration rate (eGFR) ≥ 40 ml/min/mq calculated using the Modification of Diet in Renal Disease formula (MDRD)
* Signed informed consent
Exclusion Criteria:
* Age \< 18 years and \>80 years
* Reoperation
* Emergent, urgent and salvage procedures
* Euroscore II \> 9%
* Right toracothomy procedures
* Any surgical procedure not listed above (i.e. tricuspid valve surgery, aortic root surgery, congenital heart diseases, surgery necessitating hypotermic circulation arrest, surgical ablation of atrial fibrillation etc.)
* More than mild left ventricular dysfunction at preoperative echocardiogram (LVEF \< 40%)
* Patients with critical preoperative state: any ventricular fibrillation or ventricular tachycardia, preoperative cardiac massage, preoperative ventilation before anaesthetic room, preoperative inotropes or mechanical circulatory support planned before cardiac intervention (i.e. during coronary angiography) and other conditions according to Euroscore II definition.
* Patients with an estimated eGFR \< 40 ml/min/mq calculated using the MDRD or patients on dialysis.
* Patients with chronic obstructive pulmonary disease \> 3 stage according to Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2019 classification.
* Patients with severe preoperative epatic failure (CHILD-PUGH ≥ B)
* Patient with severe symptomatic carotid atheromasia
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