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Table 2 Patient operative data

From: Impact of ablation duration on rhythm outcome after concomitant maze procedure using cryoablation in patients with persistent atrial fibrillation

 

Control

Long duration

P-value

(n = 140)

(n = 116)

Mitral valve procedure

 MVR

78 (56%)

65 (56%)

0.959

 MVP

55 (39%)

37 (32%)

0.220

Aortic valve procedure

46 (33%)

34 (29%)

0.542

Tricuspid valve procedure

122 (87%)

94 (81%)

0.180

ASD closure

10 (7%)

6 (5%)

0.517

CABG

1 (1%)

6 (5%)

0.049

Single valve procedure

 MVP

3

7

 

 MVR

2

3

 

 AVR

3

7

 

 TVR / TVP

2

3

 

Double valve procedures

 MVP + TVP/TVR

34

25

 

 MVP + AVP/AVR

3

0

 

 MVR + TVR/TVP

51

40

 

 MVR + AVR/AVP

6

2

 

 AVR/AVP + TVP/TVR

1

0

 

Triple valve procedures

 MVP + TVP + AVP

7

4

 

 MVR + AVR + TVR/TVP

19

20

 

 AVR + TVP + MVP

8

1

 

Left atrial reduction

36 (25%)

42 (36%)

0.077

Miscellaneous

1

4

 

CPB time (min)

152 ± 48

143 ± 45

0.129

ACC time (min)

131 ± 91

115 ± 36

0.076

  1. MVR mitral valve replacement, MVP mitral valve plasty, ASD atrial septal defect, CABG coronary artery bypass grafting, AVR aortic valve replacement, AVP aortic valve plasty, TVR tricuspid valve replacement, TVP tricuspid valve plasty, CPB cardiopulmonary bypass, ACC aortic cross-clamp, LA left atrium