Variable Median + std or n (%) Total n=49 Group 1 n=36 Group 2 n=13
p-value
Age, years 20 ± 6 20 ± 5 17 ± 7 0.121
Male sex 36 (73) 31 (86) 12 (92) 0.559
Prior Procedure
David 32 (65) 26 (72) 6 (46) < 0.001
Yacoub 7 (14) 0 (0) 7 (54)
Modified Yacoub 10 (20) 10 (28) 0 (0)
Weight at Operation, kg 71 ± 25 73 ±25 65 ± 25 0.317
Postop Length of Stay, days 5 ± 2 5 ± 2 6 ± 3 0.235
Follow-Up, years 5 ± 5 3 ± 4 11 ± 5 < 0.001
Follow-Up to Last Known Alive, years 8 ± 6 5 ± 4 13 ± 5 < 0.001
CTD 18 (37) 14 (39) 4 (31) 0.603
Prior Ross Procedure 25 (51) 17 (47) 8 (62) 0.376
Leaflet Manipulation 15 (31) 11 (31) 4 (31) 0.989
Etiology
Congenital 21 (49) 17 (47) 4 (57) 0.584
Bicuspid 14 (32) 11 (31) 3 (43)
Acquired 7 (16) 7 (19) 0 (0)
Other 1 (2) 1 (3) 0 (0)
Redo Sternotomy 28 (57) 20 (56) 8 (62) 0.709
Concomitant Procedure 31 (63) 25 (69) 6 (46) 0.135
Death 2 (4) 1 (3) 1 (8) 0.443
Time to Death, years 5 ± 8 0 11 -
Follow-Up to Most Recent Echo, years 5 ± 5 4 ± 4 9 ± 6 0.002
Preop AI (0 = none, 1 = trivial, 2 = mild, 3 = moderate, 4 = severe) 1.9 ± 1.0 2.0 ± 1.1 1.8 ± 0.8 0.625
Greater Than Trivial Preop AI 34 (69) 26 (72) 8 (62) 0.474
Greater Than Mild Preop AI 16 (33) 12 (33) 4 (31) 0.866
Preop MR (0 = none, 1 = trivial, 2 = mild, 3 = moderate, 4 = severe) 0.9 ± 0.7 0.8 ± 0.6 1.0 ± 0.8 0.38
Postop AI (0 = none, 1 = trivial, 2 = mild, 3 = moderate, 4 = severe) 1.4 ± 0.9 1.1 ± 0.7 2.2 ± 0.6 < 0.001
Greater Than Trivial Postop AI 23 (47) 12 (33) 11 (85) 0.001
Greater Than Mild Postop AI 6 (12) 0 (0) 6 (46) < 0.001
Postop MR (0 = none, 1 = trivial, 2 = mild, 3 = moderate, 4 = severe) 1.0 ± 0.8 0.8 ± 0.7 1.4 ± 0.9 0.05