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Table 1 Baseline characteristics of study population stratified in pacemaker (PM) and non pacemaker group (N-PM)

From: Predictive factors for pacemaker requirement after transcatheter aortic valve implantation

  PM (n=23) N-PM (n=22) p
Clinical parameters
Male, n (%) 10 (43.5) 8 (36.4) 0.763
Age (yrs) 80.7 ± 5.94 81.55 ± 7.90 0.684
Body mass index (kg/m2) 26.9 ± 3.9 26.8 ± 4.0 0.883
Hypertension, n (%) 22 (95.7) 19 (86.4) 0.346
Smoker, n (%) 8 (34.8) 4 (18.2) 0.024
Diabetes mellitus, n (%) 10 (43.5) 7 (31.8) 0.542
Creatinine (μmol/l) 151.2 ± 157.4 114.3 ± 51.6 0.372
Renal insufficiency (creatinine level > 1.5mg/dl), n (%) 14 (60.9) 11 (50) 0.554
Chronic obstructive pulmonary disease, n (%) 4 (17.1) 4 (18.2) 0.855
New York Heart Association functional class
I 0 (0) 0 (0) 0.263
II 0 (0) 2 (9.1)  
III 15 (65.2) 15 (68.2)  
IV 8 (34.8) 5 (22.7)  
Logistic EuroSCORE (%) 24.0 ± 14.6 18.4 ± 19.2 0.034
Dyspnoe, n (%) 13 (56.6) 12 (54.6) 0.628
Angina, n (%) 11 (47.5) 6 (27.3) 0.022
Syncope, n (%) 3 (13.0) 8 (36.4) 0.091
Pulmonal artery pressure (mmHg) 42.8 ± 17.7 37.6 ± 19.9 0.375
Porcelain aorta, n (%) 1 (4.3) 3 (13.6) 0.346
Prior cardiac decompensation, n (%) 13 (56.5) 14 (63.7) 0.763
Ischemic heart disease, n (%) 20 (87.0) 15 (68.2) 0.017
Previous stroke, n (%) 10 (43.5) 3 (13.6) 0.047
Previous CABG, n (%) 1 (4.3) 2 (9.1) 0.838
Peripheral vessel disease, n (%) 5 (21.7) 1 (4.6) 0.002
Echocardiographic parameters
Mean aortic valve area (cm2) 0.8 ± 0.2 0.7 ± 0.2 0.108
Left ventricular ejection fraction (%) 46.1 ± 10.7 50.2 ± 12.5 0.224
Peak pressure gradient (mmHg) 90.6 ± 24.1 86.6 ± 27.9 0.641
Mean pressure gradient (mmHg) 57.7 ± 15.3 55.4 ± 15.6 0.674
Aortic annulus dimension (mm) 23.30 ± 5.32 22.36 ± 6.85 0.141
Aortic bulbus dimension (mm) 29.70 ± 5.86 28.61 ± 7.46 0.893
Interventricular septal dimension (mm) 14.17 ± 3.82 13.55 ± 2.46 0.627
Aortic regurgitation grade ≥ I, n (%) 19 (82.6) 20 (90.9) 0.692
Mitral insufficiency ≥ grade I, n (%) 22 (95.7) 19 (86.4) 0.247