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Table 2 Cardiac assessment characteristics

From: Aortic stiffness as a marker of cardiac function and myocardial strain in patients undergoing aortic valve replacement

Parameter Total PWV-norm PWV-high P-value
n = 56 n = 35 n = 21
Pre-operative
Aortic valve area (cm2) 0.73 ± 0.2 0.74 ± 0.2 0.71 ± 0.2 0.67
AVMG (mmHg) 48 ± 13 50 ± 13 46 ± 11 0.27
AVPG (mmHg) 82 ± 24 86 ± 27 76 ± 19 0.13
Ejection fraction 59 ± 15 58 ± 15 61 ± 16 0.56
LVDDiam (cm) 4.79 ± 0.72 4.78 ± 0.75 4.82 ± 0.69 0.85
LVSDiam (cm) 3.34 ± 0.83 3.25 ± 0.76 3.47 ± 0.94 0.37
NYHA (n [%])     <0.01
   Class I 16 (29%) 16 (46%) 0 (0%)  
   Class II 30 (53%) 15 (43%) 15 (71%)  
   Class III 10 (18%) 4 (11%) 6 (29%)  
LV function (n [%])     0.97
   Good 41 (76%) 25 (76%) 16 (76%)  
   Moderate 10 (18%) 6 (18%) 4 (19%)  
   Poor 3 (6%) 3 (6%) 3 (5%)  
BNP pg/ml 134 ± 183 88 ± 88 214 ± 264 0.09
Immediate post-operative
BNP pg/ml (3 h post-CPB) 112 ± 143 85 ± 81 158 ± 199 0.32
BNP pg/ml (18 h post-CPB) 334 ± 179 288 ± 157 406 ± 191 0.02
Inotropes (n [%]) 16 (29%) 8 (23%) 8 (40%) 0.22
Arrhythmia (n [%]) 23 (41%) 16 (46%) 7 (33%) 0.41
Post-operative (409 ± 159 days) n = 50    
NYHA (n [%])     <0.001
   Class I 40 (80%) 29 (97%) 11 (55%)  
   Class II 10 (20%) 1 (3%) 9 (45%)  
LV function (n [%])     1.0
   Good 40 (87%) 23 (85%) 17 (89%)  
   Moderate 6 (13%) 4 (15%) 2 (10%)  
Leg edema (n [%]) 7 (14%) 1 (3%) 6 (30%) 0.01
  1. Values are shown as n (%) for categorical variables and means ± standard deviation for continuous variables. bold values indicate statistically significant values. Abbreviations: AVMG aortic valve mean gradient, AVPG aortic valve peak gradient, LVDDiam left ventricular diastolic diameter, LVSDiam left ventricular systolic diameter, NYHA New York Heart Association, LV left ventricle, BNP B-type natriuretic peptide.