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Table 1 Preoperative patient characteristics

From: Should bioprostheses be considered the valve of choice for dialysis-dependent patients?

Variable

Group B (n = 38)

Group M(n = 35)

P-value

Clinical demographics

   

 Age (y)

55 ± 8

53 ± 9

NS

 Female sex

16 (42.1%)

15(42.9%)

NS

 Mean body mass index (kg/m2)

24 ± 5

26 ± 6

NS

Risk factors

   

 Hypertension

34(89.5%)

32(91.4%)

NS

 Diabetes

15(39.5%)

12(34.3%)

NS

 Obstructive pulmonary disease

4(10.5%)

3(8.6%)

NS

 Previous gastrointestinal bleed

7(18.4%)

6(17.1%)

NS

Peripheral vascular disease

3(7.9%)

2(5.7%)

NS

 Mean preoperative creatinine (mg/dl)

4.5 ± 1.2

4.8 ± 1.4

NS

Cardiac profile

   

 Previous myocardial infarction

2(5.3%)

2(5.7%)

NS

 Previous PCI

5(13.2%)

4(11.4%)

NS

 Cardiac arrhythmia

27(71.1%)

31(88.6%)

<0.05

 Congestive heart failure (NYHA III-IV)

12(31.6%)

11(31.4%)

NS

 Mean ejection fraction

0.50 ± 0.12

0.49 ± 0.14

NS

 Poor ejection fraction (<0.35)

4(10.5%)

4(11.4%)

NS

 Preoperative endocarditis

6(15.8%)

5(14.3%)

NS

 Mean EuroSCORE (%)

32 ± 23

31 ± 22

NS

  1. Group B, Biprosthesis valve; Group M, Mechanical valve; NS, not significant.