Table 2.

Procedural outcomes

		Deficient retro-aortic rim (<5mm)	Adequate retro-aortic rim (≥5mm)	p
Defect treated		96% (625)	97% (887)	0.09
Technical failure		6.7% (44)	5.2% (47)	0.19
Device embolization		2.2% (14)	1.7% (15)	0.48
Malposition or thrombus with re-intervention		0.3% (2)	0.3% (3)	0.94
Residual shunt (≥3 mm)		1.6% (10)	1.4% (12)	0.82
Device deployed released and immediately retrieved		2.9% (18)	1.9% (17)	0.23
Adverse event*		3.5% (23)	4.5% (41)	0.34
Cardiac arrest		0% (0)	0.2% (2)	0.23
Embolic stroke		0.3% (2)	0% (0)	0.10
New arrhythmia		1.5% (10)	2.3% (21)	0.28
Repeat catheterization		0.3% (2)	0.9% (8)	0.16
Tamponade		0% (0)	0.2% (2)	0.23
Unplanned cardiac surgery		1.1% (7)	0.7% (6)	0.38
Unplanned other surgery		0.2% (1)	0.1% (1)	0.82
Vascular complication		0.2% (1)	0.3% (3)	0.50
Total case time (minutes)		153.0±56.2	148.2±43.9	0.06
Sheath time (minutes)		77.5±44.0	77.0±35.9	0.81
Fluoroscopy time (minutes)		16.3±11.8	15.3±12.0	0.11

^*No cases with air embolus, new valve regurgitation, initiation of dialysis, initiation of mechanical circulatory support, or unplanned vascular surgery were recorded.