Table 2:
Operative Data
| Total (N=1173) |
Stented (N=614) |
Stentless (N=559) |
p-value | |
|---|---|---|---|---|
| Status | 0.88 | |||
| Elective | 1030 (88) | 540 (88) | 490 (88) | |
| Urgent | 143 (12) | 74 (12) | 69 (12) | |
| Prosthetic Valve Size | 25 (23, 27) | 25 (23, 27) | 27 (25, 29) | <0.001 |
| Valve Size/BSA | 12.5 (11.5,13.5) | 12.1 (11.2,13.1) | 12.8 (11.7, 13.8) | <0.001 |
| CPB Time | 168 (131, 211) | 146 (113, 189) | 182 (131, 225) | <0.001 |
| Cross Clamp Time | 134 (104, 170) | 112 (87,151) | 146 (118,181) | <0.001 |
| Isolated AVR | 522 (45) | 293 (48) | 229 (41) | 0.02 |
| Root Enlargement | 135 (12) | 54 (8.8) | 81 (15) | 0.002 |
| Concomitant CABG | 241 (21) | 160 (26) | 81 (15) | <0.001 |
| Concomitant Ascd. | 344 (29) | 121 (20) | 233 (42) | <0.001 |
| Aorta/Arch | ||||
| Concomitant Mitral Valve | 130 (11) | 76 (12) | 54 (10) | 0.14 |
| Concomitant Tricuspid Valve | 52 (4.4) | 23 (3.7) | 29 (5.2) | 0.23 |
| Blood Products Used | 600 (51) | 258 (42) | 342 (61) | <0.001 |
| Red Blood Cell | 518 (44) | 217 (35) | 301 (54) | <0.001 |
| Platelets | 365 (31) | 141 (23) | 224 (40) | <0.001 |
| Fresh Frozen Plasma | 300 (26) | 111 (18) | 189 (34) | <0.001 |
| Cryoprecipitate | 79 (6.7) | 23 (3.7) | 56 (10) | <0.001 |
Data above is presented as median (25%, 75%) for continuous data and n (%) for categorical data.
Abbreviations: BSA, body surface area; CPB, cardiopulmonary bypass; AVR, aortic valve replacement; CABG, coronary artery bypass grafting