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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