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Table 3 Transthoracic echocardiographic data

From: Echocardiographic description and outcomes in a heterogeneous cohort of patients undergoing mitral valve surgery with and without mitral annular disjunction: a health service evaluation

Variable MAD
(n = 60)
No MAD
(n = 125)
p-value
MAD length (mm)   
Average ± SD 8.4 ± 3.9  
Median [IQR] 7 [5 to 11]  
MAD location  
Infero-lateral 45 (76.3%)   
Other 14 (23.7%)   
LVEF    0.028
Average ± SD 60.1 ± 8.4% 57.1 ± 8.7%  
LV global impairment 5 (8.3%) 12 (9.6%) 1.00
Any RWMA 0 (0%) 12 (9.6%) 0.010
Impaired RV function 6 (10.0%) 18 (14.4%) 0.12
MR severity    0.044
Moderate or severe 51 (85.0%) 85 (68.0%)  
Ischaemic heart disease 0 (0%) 10 (8.0%) 0.032
Infective endocarditis 6 (10.0%) 19 (15.2%) 0.37
MVP 54 (90.0%) 91 (72.8%) 0.008
Anterior 15 (25.0%) 24 (19.2%) 0.005
Posterior 51 (85.0%) 72 (57.6%)  < 0.001
Barlows 3 (2.4%) 2 (3.3%) 0.66
Fail 14 (23.3%) 23 (18.4%) 0.44
Myxomatous MV 46 (60.0%) 49 (39.2%) 0.023
Restriction 0 (0%) 9 (7.2%)  < 0.001
Rheumatic 1 (1.7%) 1 (0.8%) 0.49
Post-op echo 48 (80.0%) 86 (68.8%) 0.20
Post-op residual MR 28 (46.7%) 52 (41.6%) 0.18
MR severity post-op    0.34
Mild or none 26 (43.3%) 39 (31.2%)  
Moderate 5 (8.3%) 15 (12.0%)  
Severe 1 (1.7%) 1 (0.8%)  
MAD post op echo 2 (3.9%) (0%) 0.13
Follow up for post-op echo 834 ± 790 680 ± 693 0.24
  1. p-value t-test or Fisher’s exact test