Abstract
Three pediatric patients underwent successful transcatheter coronary artery fistula occlusion using the Debrun system. This latex balloon system offers several advantages over other occlusion systems. First, the balloon delivery and release is controlled. Second, "test occlusions" can be performed that allow simultaneous balloon inflation, coronary cineangiography, and electrocardiographic monitoring. Third, because the balloons are flow-directed, they are easily positioned in properly chosen locations. Finally, the balloons can be constructed to suit the size of the fistula. In this study, two patients received only one balloon; in the other patient two balloons were placed in the same fistula. All fistulas drained into either the right atrium or ventricle and were successfully occluded. After a follow-up period of up to 3 years, no local or systemic reactions to the balloons were recognized. We conclude that detachable balloon occlusion of coronary artery fistulas is a safe, effective alternative to surgical ligation in selected pediatric patients.
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