From: Early clinical outcomes of simple pannus removal for mechanical aortic valve stenosis
Variable | Pannus removal | Valve re-replacement | P |
---|---|---|---|
(n = 12) | (n = 12) | ||
Aortic transvalvular peak velocity (m/s) | 4.6 ± 0.6 | 3.9 ± 0.5 | 0.011 |
Aortic transvalvular peak pressure gradient (mmHg) | 84.8 ± 24.9 | 60.9 ± 16.9 | 0.012 |
Aortic transvalvular mean velocity (m/s) | 3.0 ± 0.5 | 2.6 ± 0.4 | 0.033 |
Aortic TMPG (mmHg) | 45.2 ± 13.7 | 32.0 ± 9.1 | 0.011 |
LVEDD (mm) | 4.1 ± 0.6 | 4.4 ± 0.8 | 0.366 |
LVEF(%) | 69.7 ± 12.6 | 63.5 ± 8.9 | 0.248 |
Natural Mitral disease | |||
Severe stenosis | 0 | 1 | – |
Severe regurgitation | 1 | 0 | – |
Moderate regurgitation with left ventricular outflow tract obstruction | 0 | 1 | – |
Mechanical mitral valve disease | |||
Thrombosis combined with pannus | 1 | 0 | – |
Mitral TMPG ≥10 mmHg | 1 | 1 | – |
Tricuspid regurgitation grade | |||
III | 0 | 4(33.3%) | – |
IV | 8(66.7%) | 5(25.7%) | 0.413 |
Aorta dilatation | 1(8.3%) | 3(25.0%) | – |