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Table 2 Preoperative LV function between procedures

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%)