Table 2.
Clinical characteristics of patients with intraoperative conversion from mitral valve repair to replacement.
| Variable | Intraoperative conversion | p‐Value | |
|---|---|---|---|
| With (n = 75) | Without (n = 225) | ||
| Clinical characteristics | |||
| Age (mean ± SD, years) | 59.6 ± 9.94 | 59.4 ± 8.72 | .296 |
| Female, n (%) | 44 (58.7) | 87 (38.7) | .002 |
| BMI (kg/m2) | 23.9 ± 3.86 | 24.1 ± 3.44 | .590 |
| Hypertension, n (%) | 38 (50.7) | 130 (57.8) | .283 |
| Diabetes mellitus, n (%) | 8 (10.7) | 14 (6.2) | .201 |
| Smoking, n (%) | 18 (24) | 61 (27.1) | .596 |
| Alcohol, n (%) | 14 (18.7) | 61 (27.1) | .144 |
| Prior stroke/TIA history, n (%) | 4 (5.3) | 11 (4.9) | 1.000 |
| Coronary heart disease, n (%) | 20 (26.7) | 62 (27.6) | .881 |
| Paroxysmal or chronic AF, n (%) | 22 (29.3) | 28 (12.4) | .001 |
| Conduction system disease, n (%) | 7 (9.3) | 11 (4.9) | .261 |
| NT‐ProBNP (pg/mL, median [IQR]) | 936.5 (423.5–1827) | 547 (174–1497.5) | .008 |
| MAC present on CT, n (%) | 49 (65.3) | 31 (13.8) | <.001 |
| MAC score | 324.3 ± 889.1 | 183.5 ± 957.8 | .003 |
| AVC present on CT, n (%) | 29 (38.7) | 68 (30.2) | .176 |
| Echocardiography on admission | |||
| LADD (mm, median [IQR]) | 48 (45–56) | 40 (37–43) | .001 |
| LVEDV (mL) | 127.5 ± 52.7 | 145.4 ± 56.1 | .016 |
| LVESV (mL) | 57.2 ± 28.9 | 63.7 ± 31.4 | .117 |
| LVEF (%) | 55.8 ± 5.04 | 56.7 ± 5.40 | .237 |
| Aortic stenosis, n (%) | 21 (28) | 35 (15.6) | .017 |
| Aortic regurgitation, n (%) | 27 (36) | 64 (28.4) | .218 |
| Mitral stenosis, n (%) | 35 (46.7) | 38 (16.9) | <.001 |
| Mitral regurgitation, n (%) | 75 (100) | 225 (100) | – |
| Tricuspid regurgitation, n (%) | 55 (73.3) | 131 (58.2) | .020 |
Abbreviations: AF, atrial fibrillation; AVC, aortic valve calcification; BMI, body mass index; IQR, interquartile range; LADD, left atrial end‐diastolic dimension; LVEDV/LVESV, left ventricular end‐diastolic/end‐systolic volume; LVEF, left ventricle ejection fraction; MAC, mitral annular calcification; n, number; NYHA, New York Heart Association; SD, standard deviation; TIA, transient ischemic attack.