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. 2024 Feb;103(2):308-316.
doi: 10.1002/ccd.30932. Epub 2023 Dec 13.

Balloon atrial septostomy for transposition of the great arteries: Safety and experience with the Z-5 balloon catheter

Jesse A Weeda  1   2   3 , Regina Bokenkamp-Gramann  1   3 , Bart B Straver  3   4 , Lukas Rammeloo  3   4 , Nathan D Hahurij  1   3 , Robin A Bertels  1   3 , Monique C Haak  3   5 , Arjan B Te Pas  2 , Mark G Hazekamp  3   6 , Nico A Blom  1   3 , Roel L F van der Palen  1   3
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Balloon atrial septostomy for transposition of the great arteries: Safety and experience with the Z-5 balloon catheter

Jesse A Weeda et al. Catheter Cardiovasc Interv. 2024 Feb.

Abstract

Background: Balloon atrial septostomy (BAS) is an emergent and essential cardiac intervention to enhance intercirculatory mixing at atrial level in deoxygenated patients diagnosed with transposition of the great arteries (TGA) and restrictive foramen ovale. The recent recall of several BAS catheters and the changes in the European legal framework for medical devices (MDR 2017/745), has led to an overall scarcity of BAS catheters and raised questions about the use, safety, and experience of the remaining NuMED Z-5 BAS catheter.

Aims: To evaluate and describe the practice and safety of the Z-5 BAS catheter, and to compare it to the performance of other BAS catheters.

Methods: A retrospective single-center cohort encompassing all BAS procedures performed with the Z-5 BAS catheter in TGA patients between 1999 and 2022.

Results: A total of 182 BAS procedures were performed in 179 TGA-newborns at Day 1 (IQR 0-5) days after birth, with median weight of 3.4 (IQR 1.2-5.7) kg. The need for BAS was urgent in 90% of patients. The percentage of BAS procedures performed at bedside increased over time from 9.8% (before 2010) to 67% (2017-2022). Major complication rate was 2.2%, consisting of cerebral infarction (1.6%) and hypovolemic shock (0.5%). The rate of minor complications was 9.3%, including temporary periprocedural AV-block (3.8%), femoral vein thrombosis (2.7%), transient intracardiac thrombus (0.5%), and atrial flutter (2.2%). BAS procedures performed at bedside and in the cardiac catheterization laboratory had similar complication rates.

Conclusions: BAS using the Z-5 BAS catheter is both feasible and safe at bedside and at the cardiac catheterization laboratory with minimal major complications.

Keywords: balloon atrial septostomy; cardiac catheterization; congenital heart disease; septostomy catheter; transposition of the great arteries.

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References

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