A Novel Wire Is Effective for Echo-Guiding Percutaneous Atrial Septal Defect Closure: A Preclinical Study

Table 2

Procedural characteristics.

Procedure characteristics	Study group ()	Control group ()
Total procedure time (min)^#	15.36 ± 4.86	25.82 ± 7.85
Passing time (min)^#	2.69 ± 0.82	5.58 ± 3.34
Frequency of the guide wire or delivery system dropping into the right atrium	0/10	4/10
Frequency of the guide wire traversing tricuspid valve	1/10	2/10
Frequency of atrial premature contraction^#	4.41 ± 2.61	9.60 ± 3.68
Frequency of ventricular premature contraction^#	0.75 ± 0.36	1.34 ± 0.68
Cardiac perforation	0/10	0/10
Pericardial effusion	0/10	1/10
Device implantation rate (%)	100	100

Chi-squared test, ; ^#t-test, .