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[Choice of temperature extracorporeal circulation regimen during prosthetic repair of the aortic valve].

Hypo- and normothermal perfusions were compared during prosthetic repair in two patient groups matched by demographic indices, baseline severity, surgical intervention volume, anesthetic regimen, extracorporeal procedure, and cardioplegia mode. The findings suggest that there are no significant differences in the changes in central hemodynamic parameters and oxygen transport during hypo- and normothermal perfusion. During extracorporeal circulation, hypothermia is an additional stressor that causes the strain of compensatory mechanisms in the postoperative period. This leads to a more significant hyperglycemia, increases the usage of adrenomimetics, and prolongs the time of artificial ventilation. Thus, normothermal perfusion is a more preferable option of intraoperative protection during prosthetic repair of the aortic valve.