Safety of an improved patent ductus arteriosus occluder for transcatheter closure of perimembranous ventricular septal defects with abnormally attached tricuspid chordae tendineae

Table 2 Procedural characteristics and post-procedural findings

Angiography
Defect size on LV side, mm, mean ± SD	6.7 ± 1.5
Defect size on RV side, mm, mean ± SD	3.5 ± 0.6
Routine right and left heart catheterization
sPAP, mmHg, mean ± SD	31.4 ± 4.4
mPAP, mmHg, mean ± SD	19.6 ± 3.6
Qp/Qs, mean ± SD	2.3 ± 0.4
Occluder size, n (%)
6 mm	3 (15.0)
7 mm	3 (15.0)
8 mm	5 (25.0)
9 mm	5 (25.0)
10 mm	3 (15.0)
12 mm	1 (5.0)
Average operative time, min, mean ± SD	49.3 ± 6.0
Average fluoroscopy time, min, mean ± SD	24.3 ± 2.8
Post-procedural complications, n (%)
CRBBB (transient)	1 (5.0)
Increased TR, n (%)	1 (5.0)
Sheath, Fr, median (IQR)	8.0 (2.0)

LV: Left ventricular; RV: Right ventricular; SD: Standard deviation; sPAP: Systolic pulmonary artery pressure; mPAP: Mean pulmonary artery pressure; Qp/Qs: Pulmonary-to-systemic flow ratio; CRBBB: Complete right bundle branch block; TR: Tricuspid regurgitation; IQR: Interquartile range.