Exercise Hemodynamics and Quality of Life after Aortic Valve Replacement for Aortic Stenosis in the Elderly Using the Hancock II Bioprosthesis

Table 2

Post-op ECHO results.

Valve size; (mm)	Number of patients	Mean gradient; at rest (mmHg)	Mean gradient at exercise (mmHg)	BSA (m^2)
21	5	14.2 ± 5.5	27.2 ± 14.0	1.88 ± 0.15
23	13	12.4 ± 5.9	20.1 ± 8.1	2.01 ± 0.15
25	14	10.1 ± 3.7	20.1 ± 10.2	2.05 ± 0.17
27	1	12	17	1.8
All sizes	33	11.7 ± 5.0	21.1 ± 10.0	2.0 ± 0.17