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. 2020 May 22;141(24):1971–1985. doi: 10.1161/CIRCULATIONAHA.119.043450

Figure 4.

Figure 4.

LV biopsy obtained creatine concentration and CK and CS activities. CK total activity (A), CS activity (B), total creatine concentration (C), estimated CK capacity (D) from nonhypertrophied, non–pressure-loaded hearts (NH), severe aortic stenosis with preserved (SevAS-pEF) and reduced ejection fraction (SevAS-rEF) undergoing valve replacement surgery. *Post hoc pairwise tests significant versus NHBx. †Post hoc pairwise tests significant versus SevAS-pEF. CK indicates creatine kinase; and NHBx, non–pressure-loaded heart biopsy.