Table 2.
Baseline clinical and echocardiographic characteristics and immediate results in both groups.
Variable | Group 1 (n = 42) | Group 2 (n = 126) | p value |
---|---|---|---|
Age -yr – mean ± SD | 39.5 ± 10.5 | 46.6 ± 13 | 0.005 |
Atrial fibrillation – no. (%) | 6 (14.3) | 55 (32.7) | 0.007 |
Female gender – no. (%) | 36 (85.7) | 110 (87.6) | 1.00 |
NYHA FC II – no. (%) | 28 (66.6) | 77 (61.1) | 0.89 |
NYHA FC III – no. (%) | 13 (30.9) | 44 (34.9) | 0.89 |
NYHA FC IV – no. (%) | 1 (2,3) | 5 (3.9) | 0.89 |
Pre-PMV MVA - cm2 (IQR 25–75%) | 0.90 (0.83–1.00) | 0.90 (0.81–1.00) | NS |
ES – value (IQR 25–75%) | 6 (5–7) | 8 (6–9) | 0.002 |
ES > 8 – no. (%) | 7 (16.6) | 55 (32.7) | 0.003 |
sPAP pre-PMV – mmHg (IQR 25–75%) | 47 (34–59) | 42 (35–50) | 0.07 |
MVG – mmHg (IQR 25–75%) | 11.0 (9.-16) | 11 (9–14) | NS |
Immediate success – no. (%) | 40 (95.2) | 96 (76.2) | 0.01 |
Post-PMV MVA – cm2 (IQR 25–75%) | 1.82 (1.6–2.0) | 1.67 (1.44–1.97) | 0.02 |
MR post-PMV – no. (%) | 34 (80.9) | 117 (92.8) | 0.04 |
Group 1 = minimal valve calcification, Group 2 = moderate to severe valve calcification.
NYHA FC= New York Heart Association functional class; PMV = percutaneous mitral valvuloplasty; MVA = mitral valve area; IQR = interquartile range; ES = echocardiographic score; sPAP = systolic pulmonary artery pressure; MVG = mean valve gradient; MR = mitral regurgitation.