TABLE 1.
| A. Baseline patient characteristics | |
|---|---|
| Age (years) | 72.9 ±10.9 |
| Sex | |
| Male | 58.7% (n=271) |
| Female | 41.3% (n= 191) |
| Race | |
| Caucasian | 90.9% (n=420) |
| African American | 5.0% (n=23) |
| Asian | 0.6% (n=3) |
| Hispanic | 0.4% (n=2) |
| Other/unspecified | 3.0% (n=14) |
| Diabetes | 29.4% (n=135) |
| Hypertension | 81.4% (n=376) |
| Previous MI | 19.5% (n=90) |
| Heart failure | 84.0% (n=388) |
| NYHA class | |
| 1 | 2.6% (n=12) |
| 2 | 34.0% (n=157) |
| 3 | 37.4% (n=173) |
| 4 | 10.0% (n=46) |
| Cerebrovascular disease | 19.9% (n=92) |
| Peripheral arterial disease | 16.4% (n=76) |
| Dialysis | 5.0% (n=23) |
| Creatinine | 1.11 ± 0.893 |
| Ejection fraction (n=454) | 56.4% ±12.8% |
| Mean aortic valve gradient (mmHg, n=434) | 44.6 ±15.9 |
| Mean pulmonary artery pressure(mmHg, n=290) | 26.5 ± 9.873 |
| B. Operative data | |
|---|---|
| Nature of operation | |
| AVR | 59.3% (n=274) |
| AVR + CABG | 27.5% (n=127) |
| AVR + CABG +other | 1.9% (n=9) |
| AVR + other | 8.0% (n=37) |
| Aortic root replacement | 1.7% (n=8) |
| Aortic root replacement + other | 1.5% (n=7) |
| Incidence | |
| First cardiac surgery operation | 82.9% (n=383) |
| First re-operation | 15.6% (n=72) |
| Second re-operation | 1.3% (n=6) |
| Third re-operation | 0.2% (n=1) |
| Urgency | |
| Elective | 71.9% (n=332) |
| Urgent | 26.4% (n=122) |
| Emergent | 1.7% (n=8) |
| Cardiopulmonary bypass time (min) | 119 ± 49.6 |
| Cross clamp time (min) | 85.8 ± 39.1 |
| Valve type | |
| Bioprosthesis | 93.3% (n=432) |
| Mechanical | 6.1% (n=28) |
| Homograft | 0.4% (n=2) |
| Implant Size (mm) | 23.7 ± 2.2 |
Abbreviations: MI, myocardial infarction; NYHA, New York Heart Association; mmHg, millimeters of mercury.
Abbreviations: AVR, aortic valve replacement; CABG, coronary artery bypass grafting; min, minutes; mm, millimeters.