Cardiac Energetics in Patients With Aortic Stenosis and Preserved Versus Reduced Ejection Fraction.

CK Total Activity In comparison with NHBx hearts, median total CK activity was significantly lower both in SevAS-rEF (by 43%, post hoc one-sided P =0.016) and SevAS-pEF (by 35%, post hoc one-sided P =0.028), resulting in a decreasing trend in median values ( P =0.002; Figure 4 A, Table 2 ).

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