eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
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2/2016
vol. 12
 
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Retrograde transcatheter closure of ventricular septal defect with Amplatzer Duct Occluder II

Brina Suligoj
,
Natasa Cernic
,
Metka Zorc
,
Marko Noc
,
Saibal Kar

Adv Interv Cardiol 2016; 12, 2 (44): 177–178
Online publish date: 2016/05/11
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One of the most feared complications of transcatheter closure of a perimembranous ventricular septal defect (VSD) by the Amplatzer membranous occluder is atrioventricular (AV) block, occurring in 3% to 20% of cases [1, 2]. Atrioventricular block may occur immediately due to squeezing effects of disks or late due to device-induced inflammation and fibrous tissue formation [3].
We herein describe a 14-year-old girl in whom an alternative method with the softer Amplatzer Duct Occluder, which may overcome the above limitations, was used. The indication for VSD closure was based on left ventricular volume overload documented by transthoracic echocardiography (TTE) and the fact that she wanted to continue with professional sport activity.
The procedure was performed under general anesthesia with fluoroscopic and transesophageal echocardiography (TEE) guidance. Ventricular septal defect was confirmed by left ventriculography (Figure 1 A) and TEE assessing the interventricular septum in multiple planes. The largest VSD diameter was 5 mm, and the distance from the upper VSD margin to the aortic valve was 13 mm (Figure 1 B). Since the VSD diameter was < 6.5 mm and the distance between the upper margin and aortic valve was > 3 mm, closure with Amplatzer Duct Occluder II (ADO II, St. Jude Medical, St. Paul, Minnesota, USA) was selected [4, 5]. A 6 Fr JR 4 guiding catheter (Launcher, Medtronic Inc, Minneapolis) was advanced from the right femoral artery to the left side of the VSD, which was crossed by angled Terumo wire (Terumo Corporation, Tokyo, Japan). The guiding catheter was slowly advanced across the VSD to the right ventricle and loaded with the ADO II 6/6 mm attached to a 5 Fr TorqVue LP (St. Jude Medical, St. Paul, Minnesota, USA). The right retention disk was deployed and the assembly withdrawn so that the disk was aligned with the septum. The waist and left retention disk were then sequentially deployed. Once a stable position and no interference with aortic and tricuspid valves were confirmed with TEE, the delivery system was detached and removed together with the guiding catheter. Left ventriculography showed minimal intra-device residual shunting (Figure 1 C). Transthoracic echocardiography revealed both retention disks to be flat and in an appropriate position without interference with the aortic valve (Figure 1 D). The fluoroscopy time was 5.26 min. The postprocedural course was uneventful. After 49 days, TTE revealed good device position...


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