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Table 1 Preoperative characteristics 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)

Male/Female

3/9

5/7

0.576

Age(years)

54.9 ± 8.2

57.5 ± 7.3

0.388

BMI(Kg/m2)

24.4 ± 4.0

24.9 ± 3.8

0.822

Hypertension

2

2

Diabetes mellitus

3

2

0.404

Impaired renal function

1

1

Cerebrovascular disease

0

2

Atrial fibrillation

9(75.0%)

8(66.7%)

Pulmonary hypertension

1

1

Smoking

2

3

0.470

NYHA classes grade

 NYHA classes I

0

0

 NYHA classes II

3(25.0%)

5(41.7%)

0.667

 NYHA classes III

3(25.0%)

5(41.7%)

0.667

 NYHA classes IV

6(50.0%)

2(16.7%)

0.193

interval between re-admission and initial valve replacement

15.1 ± 6.1

14.7 ± 5.1

0.898

History of cardiovascular intervention

 MVR

10(83.3%)

7(58.3%)

0.371

 TVP

2(16.7%)

2(16.7%)

 AFRA

1(8.3%)

0

Mean aortic valve size (mm)

20.33 ± 1.30

20.33 ± 0.98

Euro SCORE score

8.9 ± 7.8

8.6 ± 6.1

0.844

Serological inflammation indicators

 Hemoglobin (g/L)

107.8 ± 25.7

114.8 ± 24.3

0.528

 WBC (10^9/L)

5.1 ± 1.7

5.6 ± 1.8

0.825

  CPR (mg/dl)

3.1 ± 3.0

3.3 ± 2.

0.940

  Total bilirubin (umol/L)

30.3 ± 36.3

19.3 ± 10.4

0.378

  ALT (U/L)

17.8 ± 10.6

19.1 ± 9.9

0.484

  cTnT (ug/L)

0.54 ± 0.55

0.66 ± 0.42

0.527

 CKMB (ng/ml)

18.6 ± 13.6

11.4 ± 9.7

0.763

  Urea (umol/L)

320.8 ± 72.3

292.6 ± 66.2

0.752

  Creatinine (umol/L)

74.73 ± 17.2

73.67 ± 19.1

0.826