Research Article
Changing Surgical Aortic Valve Size and Choices in the Transcatheter Aortic Valve Replacement Era
Table 2
Operative and postoperative characteristics.
| | | Pre-TAVR era (n = 1,792) | Early TAVR era (n = 2,422) | Current-TAVR era (n = 2,231) | value |
| | Operative | | Mechanical valve | 13% (n = 230) | 8% (n = 200) | 16% (n = 348) | <0.001 | | Valve size (mm) | 23 (21–25) | 23 (21–25) | 23 (23–25) | <0.001 | | Annular enlargement | 4% (n = 75) | 5% (n = 123) | 8% (n = 168) | <0.001 | | Cross-clamp time (min) | 74 (59–92) | 74 (60–94) | 75 (60–95) | 0.4 | | Bypass time (min) | 102 (85–125) | 104 (85–129) | 104 (84–130) | 0.7 | | Postoperative | | Ventilator time (hours) | 7.2 (4.8–14.2) | 5.6 (4.0–10.4) | 4.6 (3.4–6.9) | <0.001 | | ICU time (hours) | 44 (24–72) | 47 (26–76) | 48 (26–77) | 0.8 | | In-hospital mortality | 2.5% (n = 45) | 1.2% (n = 30) | 0.9% (n = 20) | <0.001 | | Total cost ($) | 33,391 (27,766–43,257) | 34,377 (27,352–44,766) | 37,538 (30,537–50,366) | <0.001 |
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TAVR = transcatheter aortic valve replacement.
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