Choice of optimal perfusion flow rate during surgical correction of combined acquired heart diseases

Northen State Medical Univercity, 163001, Archangelsk, RussiaCardiac output during the use of cardiopulmonary bypass (CPB) is defi ned by perfusion fl ow rate, which is calculated by multiplying the perfusion index (PI) on the body surface area. To date, there is no clear defi nition of an optimal PI and fl ow rate of perfusion. 60 patients operated with CPB were enrolled in the prospective study to determine the relations between different modes of perfusion and oxygen transport during surgical correction of combined valvular heart disease. Calculation of the CPB fl ow rate was based on PI 2.5 and 3.0 l/min/m