Safety and Efficacy of Transcatheter Occlusion of Perimembranous Ventricular Septal Defect with Aortic Valve Prolapse: A Six-Year Follow-Up Study

Table 3

Procedural results of different degrees of aortic valve prolapse.

Variables	Mild AVP	Moderate AVP	Severe AVP
Success rate, n (%)	59/63 (93.7)	80/89 (89.9)	7/12 (58.3)
Size of the occluder (mm), mean ± SD	6.41 ± 1.40	6.52 ± 1.26	6.00 ± 1.29
Type of the occluder, n (%)
Symmetrical VSD occluder	44 (74.6)	50 (62.5)	1 (14.3)
Eccentric VSD occluder	13 (22.0)	28 (35)	4 (57.1)
Amplatzer Duct Occluder II	2 (3.4)	2 (2.5)	2 (28.6)
Degree of AR, n (%)
Trivial	14 (23.7)	21 (26.3)	1 (14.3)
Mild	1 (1.7)	2 (2.5)	1 (14.3)
Moderate	0 (0)	0 (0)	0 (0)
Residual shunt, n (%)	4 (6.8%)	4 (5.0%)	1 (14.3%)
Arrhythmia, n (%)
CAVB	1 (1.7)	0 (0)	0 (0)
LABBB	0 (0)	2 (2.5)	0 (0)
CRBBB	1 (1.7)	1 (1.3)	0 (0)
IRBBB	0 (0)	3 (3.8)	0 (0)
Junctional tachycardia	3 (5.1)	2 (2.5)	0 (0)

VSD, ventricular septal defect; AR, aortic regurgitation; CAVB, complete atrioventricular block; LABBB, left anterior bundle branch block; CRBBB, complete right bundle branch block; IRBBB, incomplete right bundle branch block.