Table 1
Characteristics of patients with and without LA thrombus at initial TOE before planned MBV
| Patients with no LA thrombus at TOE | Patients with LA thrombus at TOE | p Value | |
|---|---|---|---|
| Data are represented as mean (SD). | |||
| LA, left atrium; LV, left ventricle; RV, right ventricle, TOE, transoesophageal echocardiography. | |||
| Number of patients | 269 | 41 | |
| Age (years) | 60.2 (12.7) | 64.9 (11.1) | <0.05 |
| Female | 217 (81%) | 31 (76%) | NS |
| Previous rheumatic fever | 102 (38%) | 13 (32%) | NS |
| Previous surgical valvotomy | 58 (22%) | 5 (12%) | NS |
| Atrial fibrillation | 189 (70%) | 38 (93%) | <0.01 |
| Warfarin therapy | 253 (94%) | 40 (98%) | NS |
| Echo score | 6.3 (2.7) | 7.0 (3.0) | NS |
| LA echo-dimension | 5.34 (1.17) | 5.71 (0.93) | <0.05 |
| Parsonnet score | 14.5 (8.7) | 17.1 (8.7) | NS |
| Patients unsuitable for cardiac surgery | 52 (19%) | 14 (34%) | <0.05 |
| Mitral reflux on LV angiogram | 89 (33%) | 10(24%) | NS |
| LV impairment | 20 (7%) | 4 (10%) | NS |
| RV systolic pressure (mm Hg) | 50.4 (18.0) | 57.7 (17.6) | <0.05 |
| Mean LA pressure (mm Hg) | 25.2 (7.1) | 26.7 (5.9) | NS |
| Valve gradient (mm Hg) | 12.0 (5.1) | 11.6 (3.7) | NS |
| Cardiac output (l/min) | 3.67 (0.94) | 3.10 (0.72) | <0.001 |
| Valve area (cm2) | 0.97 (0.30) | 0.78 (0.23) | <0.001 |
