Table 2 Procedure characteristics and outcome of transcatheter closure of atrial septal defect (N = 320)

Efficacy

312(97.5%)

Safety

312(97.5%)

Transthoracic guidance (TTE)

298(93.1%)

Transesophageal guidance (TEE)

22(6.9%)

Mean diameter of ASD (mm)

21.4 ± 5(12–36)

Mean diameter of the device (mm)

26.9 ± 4.2(14–40)

Balloon Sizing

26(8.1%)

Size difference

5.5 ± 2.6

Technique of deployment

a. LUPV technique

234(73.1%)

b. RUPV technique

42(13.1%)

c. Balloon-assisted technique

9(2.8%)

d. Greek maneuver

35(10.9%)

Procedural time (mins)

23.5 ± 9.2(20—58)

Fluoroscopy time (mins)

6.8 ± 10.4(3.5–21)

Periprocedural complications

27(8.4%)

a. Cardiac death

0(0)

b. Device embolization

2(0.6%)

c. Cardiac perforation (CP)

1(0.3%)

d. Pericardial effusion (PE)

3(0.9%)

e. Transient supraventricular arrhythmias

15(4.6%)

f. Transient atrioventricular block

6(1.8%)

g. Local site hematoma

0(0)

i. Stroke

0(0)

Transient headache

8(2.5%)

Follow-up

a. Late embolization

0(0)

b. Erosion

0(0)

c. Residual shunting at 6 months of follow-up

2(0.6%)

d. Nickel allergy

0(0)

Follow-up duration (months)

50.92 (12.5–89)

Hospital stay (hours)

29.4