19 mm | 21 mm | ||||||
---|---|---|---|---|---|---|---|
M | B | Total | M | B | Total | ||
A (cm/s) (***) | |||||||
Rest (‡) | 87 (29) | 100 (28) | 96 (28) | 88 (16) | 100 (20) | 95 (18) | |
Exercise (NS) | 92 (27) | 117 (31) | 110 (31) | 103 (22) | 107 (21) | 105 (21) | |
E (cm/s) (***) | |||||||
Rest (†) | 94 (18) | 91 (15) | 92 (15) | 94 (17) | 89 (19) | 92 (18) | |
Exercise (NS) | 105 (21) | 108 (19) | 107 (19) | 109 (33) | 112 (26) | 111 (29) | |
A/E (NS) | |||||||
Rest (‡‡) | 0.92 (0.21) | 1.14 (0.39) | 1.07 (0.36) | 0.97 (0.10) | 1.15 (0.22) | 1.07 (0.20) | |
Exercise (NS) | 0.90 (0.28) | 1.12 (0.38) | 1.06 (0.37) | 1.01 (0.20) | 0.99 (0.30) | 1.00 (0.26) | |
TDE (mm/s) (*** †) | |||||||
Rest (NS) | 206 (25) | 179 (78) | 189 (67) | 180 (45) | 218 (48) | 202 (50) | |
Exercise (NS) | 150 (19) | 125 (59) | 132 (51) | 142 (48) | 158 (51) | 151 (49) | |
IVRT (ms) (***) | |||||||
Rest (†) | 100 (10) | 96 (14) | 100 (14) | 100 (15) | 108 (13) | 105 (14) | |
Exercise (‡) | 82 (13) | 79 (12) | 80 (12) | 79 (17) | 88 (13) | 85 (16) |
23 mm | Overall | |||||
---|---|---|---|---|---|---|
M | B | Total | M | B | Total | |
74 (21) | 90 (20) | 80 (22) | 82 (22) | 98 (23) | 90 (24) | |
95 (32) | 100 (23) | 97 (29) | 97 (29) | 109 (26) | 103 (28) | |
82 (18) | 77 (21) | 80 (19) | 89 (18) | 87 (19) | 88 (18) | |
99 (28) | 98 (18) | 95 (25) | 104 (29) | 105 (23) | 104 (26) | |
0.96 (0.28) | 1.20 (0.19) | 1.05 (0.28) | 0.95 (0.21) | 1.16 (0.29) | 1.06 (0.27) | |
1.01 (0.30) | 1.14 (0.14) | 1.06 (0.26) | 0.99 (0.26) | 1.08 (0.31) | 1.04 (0.29) | |
213 (45) | 193 (50) | 205 (47) | 200 (44) | 198 (62) | 199 (54) | |
159 (41) | 137 (27) | 151 (38) | 151 (41) | 142 (50) | 146 (46) | |
97 (14) | 104 (13) | 100 (14) | 100 (14) | 103 (13) | 102 (14) | |
76 (12) | 86 (15) | 80 (14) | 78 (14) | 85 (14) | 82 (14) |
Values are mean (SD).
Differences between resting and exercise values: ***p < 0.001.
Differences between prosthesis sizes: †p < 0.05.
Differences between mechanical and biological prostheses: ‡p < 0.05;‡‡p < 0.01.
A, A wave velocity; B, bioprosthesis; E, E wave velocity; IVRT, isovolumic relaxation time; M, mechanical; TDE, E wave deceleration time.