Abstract
The objective of this study was to determine medium-term morbidity and mortality of patients who have undergone device closure of an extracardiac Fontan fenestration with an Amplatzer Vascular Plug II (AVPII) or Septal Occluder (ASO). A secondary objective was to compare medium-term morbidity and mortality between these patients and other fenestrated Fontan patients. A retrospective chart review was performed on patients who underwent an extracardiac fenestrated Fontan procedure between 1992 and 2015 at Cardinal Glennon Children’s Medical Center. Procedural and follow-up data were obtained and compared between those who underwent fenestration closure and those who did not. Additional outcome measures included whether the fenestration had spontaneously closed, morbidity and mortality, oxygen saturations, and hemodynamics pre- and post-closure. Fifty-nine of 118 patients (50%) with a fenestrated Fontan underwent 60 device closures of the fenestration. Thirty-two (53%) of these were with the AVPII and 28 (47%) with the ASO. There was one device embolization. At a median follow-up of 3.9 years, five patients suffered morbidity, including 2 with arrhythmias, 1 with plastic bronchitis, 1 with protein losing enteropathy, and 1 with stroke. There were no cardiopulmonary deaths in this group. Twenty-three of 118 patients (19%) had spontaneous closure. There was no difference in morbidity and mortality between patients who underwent percutaneous fenestration closure and those who either had spontaneous closure or a persistently patent fenestration. Device closure of Fontan fenestrations is a safe and effective procedure with minimal morbidity and mortality comparable to other patients with fenestrations.
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Acknowledgements
The authors would like to acknowledge Dr. Saadeh Al-Jureidini for his contributions to the development of this study and to the catheterizations he performed included in this study.
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Webb, M.K., Hunter, L.E., Kremer, T.R. et al. Extracardiac Fontan Fenestration Device Closure with Amplatzer Vascular Plug II and Septal Occluder: Procedure Results and Medium-Term Follow-Up. Pediatr Cardiol 41, 703–708 (2020). https://doi.org/10.1007/s00246-019-02283-0
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DOI: https://doi.org/10.1007/s00246-019-02283-0