Table 1.
Clinical characteristics of study patients
| Mean | |||||
|---|---|---|---|---|---|
| Age, year | 42.11±11.16 | ||||
| Female | 42 (68%) | ||||
| Systolic blood pressure, mm Hg | 109.8±7.8 | ||||
| Diastolic blood pressure, mm Hg | 71.6±4.3 | ||||
| Heart rate, bpm | 82.9±5.27 | ||||
| NYHA functional class | Before PMBV | After PMBV | 3rd month | 1st year | |
| Class 2 | 14 (23%) | 32 (53%) | 28 (45%) | 24 (39%) | |
| Class 3 | 43 (70%) | 28 (45%) | 32 (53%) | 34 (56%) | |
| Class 4 | 4 (7%) | 1 (2%) | 1 (2%) | 3 (5%) | |
| LVDD, mm | 47.4±3.2 | ||||
| LVSD, mm | 31.3±3.8 | ||||
| RA maximal volume, mL | 35.1±3.03 | ||||
| RVFAC, % | 37.7±1.8 | ||||
| PAP, mm Hg | 47.2±15.4 | ||||
| MVA PHT, cm2 | 1.2±0.14 | ||||
| Mean gradient, mm Hg | 11.3±2.5 | ||||
| Right heart failure, % | 19 (31%) | ||||
Data expressed as mean±SD or percentage. Variables were recorded before the procedure.
LVDD - left ventricular diastolic diameter; LVSD - left ventricular systolic diameter; MVA PHT - pressure half-time mitral valve area; PAP - pulmonary artery pressure; RA - right atrium; RVFAC - RV fractional area change; RV - right ventricle diameter