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Table 1 Baseline clinical characteristics and operative data in patients with and without moderate prosthesis-patient mismatch (P-PtM)

From: Seventeen-millimeter St. Jude Medical Regent valve in patients with small aortic annulus: dose moderate prosthesis-patient mismatch matter?

Variables

Overall

Non-PPM

Moderate PPM

*p value

 

(n = 106)

(n = 58)

(n = 45)

 

Age, years

52.5 ± 8.6

52.1 ± 10.2

53.0 ± 12.7

0.398

Age group, years

 

≤ 65

56(52.8%)

30(51.7%)

25(55.6%)

0.831

> 65

50(47.2%)

28(48.3%)

20(44.4%)

0.815

Female sex

79 (74.5%)

53 (91.4%)

23 (51.1%)

0.047

Height (m)

1.65 ± 0.09

1.62 ± 0.05

1.69 ± 0.04

0.106

Body surface area (m2)

1.56 ± 0.16

1.48 ± 0.09

1.66 ± 0.16

0.038

Projected EOAI (cm2/m2)

0.90 ± 0.04

0.95 ± 0.03

0.84 ± 0.02

0.041

Body mass index (kg/ m2)

22.9 ± 2.8

22.1 ± 1.1

22.9 ± 2.7

0.109

Pre-NYHA class

 

I/II

52(49.1%)

35(60.3%)

16(35.6%)

0.097

III/IV

54 (50.9%)

23(39.7%)

29(64.4%)

0.105

Ejection fraction

 

≥50%

45(44.3%)

30(51.7%)

15(33.3%)

0.159

<50%

58(55.7%)

28(48.3%)

30(66.7%)

0.207

Atrial fibrillation

15 (14.2%)

9 (15.5%)

4(8.9%)

0.281

Chronic heart failure

13(12.3%)

5(8.6%)

8(17.8%)

0.178

Ischemic heart disease

37(19.8%)

21(36.2%)

13(28.9%)

0.362

Renal insufficiency

8(7.5%)

5(8.6%)

3(6.7%)

0.518

Hypertension

36 (34.0%)

21(36.2%)

15(33.3%)

0.496

Diabetes

29 (27.3%)

10(17.2%)

16(35.6%)

0.079

Valve pathology

    

Degenerative

33 (31.1%)

18 (31.0%)

14(31.1%)

0.557

Rheumatic

53 (50.0%)

27 (46.6%)

25(55.6%)

0.364

Infective

3 (2.8%)

2(3.4%)

1(2.2%)

0.599

CPB time (min)

108 ± 32

105 ± 21

110 ± 35

0.541

Cross-clamp time (min)

90 ± 23

87 ± 18

92 ± 27

0.617

In-hospital death

3(2.8%)

-

-

-

  1. NYHA, New York Heart Association; CPB, cardiopulmonary bypass; EOAI, effective orifice area index; *Data were compared between the non-PPM group and the moderate PPM group.