Skip to main content

Advertisement

Table 1 Baseline characteristics of the patients

From: Post-operative left atrial volume index is a predictor of the occurrence of permanent atrial fibrillation after mitral valve surgery in patients who undergo mitral valve surgery

Variables NSR (n = 361) AF (n = 81) p
Age at surgery (years) 41 ± 13 41 ± 11 0.782
Male gender 151 (42%) 39 (49%) 0.264
Body surface area (m2) 1.65 ± 0.16 1.64 ± 0.16 0.967
Etiology    0.018
 Rheumatic etiology 284 (79%) 73 (90%)  
 Non-rheumatic valvular disease 77 (21%) 8 (10%)  
Diagnosis    0.065
 Pure mitral regurgitation 205 (57%) 37 (46%)  
 Presence of mitral stenosis 156 (43%) 44 (54%)  
Combined with other valve 180 (58%) 44 (70%) 0.091
Type of surgery    0.478
 Mitral valve replacement 348 (96.4%) 79 (97.5%)  
  Bioprosthesis 7 (2.0%) 2 (2.5%)  
  Mechanical 341 (98.0%) 77 (97.5%)  
 Mitral valve repair 13 (3.6%) 2 (2.5%)  
Annular size 28.4 ± 2.1 29.0 ± 2.6 0.070
Preoperative heart rate (bpm) 76 ± 19 75 ± 15 0.762
Preoperative blood pressure (mmHg)    
 Systolic blood pressure 121 ± 17 123 ± 16 0.825
  Diastolic blood pressure 75 ± 13 74 ± 10 0.623
Postoperative HR 73 ± 18 72 ± 14 0.854
Postoperative blood pressure    
Systolic blood pressure 119 ± 15 120 ± 15 0.718
Diastolic blood pressure 73 ± 11 74 ± 11 0.777