Perfusion strategies and aortic clamping techniques for right mini-thoracotomy mitral valve (MV) surgery have evolved over time and remarkable short- and long-term results have been re-ported. However, some concerns have emerged about the adequacy of myocardial protection dur-ing the minimally invasive approach and about the role of aortic clamping strategies in this contest. Aim of this study was to compare the efficacy, in terms of myocardial protection, of the en-do-aortic clamp (EAC) versus the trans-thoracic aortic clamp (TTC) in patients undergoing right mini-thoracotomy MV repair. A single center, prospective observational study was performed between June 2014 to June 2018 on patients undergoing right mini-thoracotomy MV repair with retrograde arterial perfusion and EAC or TTC. The selection of one setting in respect to the other was patient orientated. Myocardial protection was assessed through creatinine kinase-myocardial band (CK-MB) and cardiac Troponin T (cTn-T) blood levels immediately after the surgical procedure and at 6, 12, and 24 hours and compared between the two groups.
Age range
18 Years – 75 Years
Sex
ALL
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cTn-T levels immediately after surgery
Timeframe: Immediately after surgery
CK-MB levels immediately after surgery
Timeframe: Immediately after the surgery
cTn-T levels 6h
Timeframe: hour 6 after surgery
CK-MB levels 6h
Timeframe: hour 6 after surgery
cTn-T levels 12h
Timeframe: hour 12 after surgery
CK-MB levels 12h
Timeframe: hour 12 after surgery
cTn-T levels 24h
Timeframe: hour 24 after surgery
CK-MB levels 24h
Timeframe: hour 24 after surgery