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Table 1 Comparison of annuloplasty techniques using CMR and TTE (N = 21)

From: The evaluation of annuloplasty in bicuspid aortic valve repair using cardiac magnetic resonance

Characteristics Overall (N = 21) SCA (N = 10) EA (N = 11) P-value
Demographic parameters     
Age, years 53 (29; 66) 63 (31; 67) 50 (28; 63) 0.46
Gender male, n (%) 13 (62) 5 (50) 8 (73) 0.39
BSA, m2 2.0 (1.9; 2.2) 2.0 (2.0; 2.3) 1.9 (1.8; 2.2) 0.11
CMR LV volume parameters     
EDV, ml 186 (134; 237) 164 (131; 235) 193 (154; 242) 0.65
EDVI, ml/m2 89 (70; 114) 79 (66; 108) 95 (72; 121) 0.39
ESV, ml 68 (51; 118) 62 (47; 122) 76 (61; 116) 0.65
ESVI, ml/m2 35 (28; 55) 30 (24; 53) 36 (29; 57) 0.31
SV, ml 111 (84; 123) 93 (82; 124) 113 (91; 125) 0.56
SVI, ml/m2 53 (42; 64) 47 (40; 56) 55 (42; 65) 0.15
EF, % 59 (52; 62) 61 (49; 66) 58 (54; 61) 0.56
LV mass, g 115 (85; 151) 100 (85; 151) 116 (84; 158) 0.71
LV mass index, g/m2 53 (45; 72) 50 (44; 63) 63 (45; 83) 0.31
EDV normalization, n (%) 16 (76) 9 (90) 7 (64) 0.31
EF normalization (≥ 55%), n (%) 15 (71) 7 (70) 8 (73) 0.99
CMR RV volume parameters     
EDV, ml 170 (146; 196) 165 (140; 192) 173 (150; 203) 0.65
EDVI, ml/m2 83 (76; 96) 78 (71; 91) 91 (80; 98) 0.10
ESV, ml 72 (61; 84) 67 (60; 82) 73 (64; 91) 0.35
ESVI, ml/m2 35 (32; 43) 32 (29; 38) 38 (34; 48) 0.06
SV, ml 94 (79; 111) 92 (78; 111) 94 (84; 112) 0.81
SVI, ml/m2 47 (42; 53) 45 (39; 50) 48 (45; 55) 0.15
EF, % 56 (52; 61) 57 (55; 61) 55 (51; 62) 0.51
CMR aortic valve/root parameters     
Annulus, mm 22.0 (20.5; 26.8) 21.8 (19.8; 26.8) 22.5 (21.0; 27.0) 0.76
Annulus/BSA, mm/m2 10.9 (10.0; 13.7) 10.6 (10.0; 12.4) 12.7 (9.8; 14.1) 0.31
AVA, cm2 3.0 (2.1; 3.5) 2.5 (2.0; 3.4) 3.5 (2.5; 4.0) 0.04
AVA/BSA, cm2/m2 1.4 (1.1; 1.8) 1.1 (1.0; 1.5) 1.6 (1.3; 2.1) 0.02
Aortic root diameter, mm 38.4 (36.4; 41.6) 36.7 (35.8; 39.4) 39.8 (38.1; 43.8) 0.02
Aortic root diameter/BSA, mm/m2 19.7 (17.7; 21.7) 18.2 (15.9; 20.0) 21.5 (17.7; 24.2) 0.03
Aortic root height, mm 26.0 (23.5; 29.0) 25.5 (23.8; 28.5) 27.0 (23.0; 29.0) 0.61
STJ, mm 30.0 (28.0; 31.0) 30.0 (25.0; 30.0) 30.0 (29.0; 31.0) 0.20
Ascending aorta, mm 32.0 (30.5; 33.5) 32.0 (30.8; 33.3) 32.0 (30.0; 34.0) 0.81
Regurgitant fraction, % 7 (3; 12) 9 (3; 17) 6 (2; 12) 0.81
Regurgitant volume, ml 7 (3; 13) 7 (3; 20) 7 (2; 12) 0.81
Residual aortic regurgitation     0.51
 None/mild, n (%) 17 (81) 8 (80) 9 (82)  
 Moderate, n (%) 3 (14) 2 (20) 1 (9)  
 Severe, n (%) 1 (5) 0 (0) 1 (9)  
TTE parameters     
Interventricular septal thickness at end-diastole, mm 12.0 (11.0; 13.3) 12.3 (11.6; 15.1) 11.5 (11.0; 13.0) 0.17
LV end-diastolic dimension, mm 53.0 (46.5; 59.3) 51.0 (44.0; 60.4) 54.0 (48.0; 58.0) 0.76
LV posterior wall thickness at end-diastole, mm 9.0 (8.0; 10.5) 9.5 (8.0; 11.3) 9.0 (7.0; 9.5) 0.25
Peak gradient, mmHg 16 (9; 24) 21 (15; 27) 10 (6; 17) 0.04
Residual aortic regurgitation     0.99
 None/mild, n (%) 17 (81) 8 (80) 9 (82)  
 Moderate, n (%) 4 (19) 2 (20) 2 (18)  
 Severe, n (%) 0 (0) 0 (0) 0 (0)  
  1. Values are presented as the number of patients (%) or median (first quartile; third quartile)
  2. P-values below 0.05 were determined as statistically significant are shown in bold
  3. AVA, aortic valve area; BSA, body surface area; CMR, cardiac magnetic resonance; EA, external annuloplasty; EDV, end-diastolic volume; EDVI, end-diastolic volume index; EF, ejection fraction; ESV, end-systolic volume; ESVI, end-systolic volume index, LV, left ventricle; RV, right ventricle; SCA, subcommissural annuloplasty; STJ, sinotubular junction; SV, stroke volume; SVI, stroke volume index; TTE, transthoracic echocardiography