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  • Title: Percutaneous closure of acute aorto-right ventricular fistula following transcatheter bicuspid aortic valve replacement.
    Author: Nakamura K, Passeri JJ, Inglessis-Azuaje I.
    Journal: Catheter Cardiovasc Interv; 2017 Jul; 90(1):164-168. PubMed ID: 27545308.
    Abstract:
    We report a case of acute aorto-right ventricular fistula following transcatheter bicuspid aortic valve replacement and subsequent percutaneous closure. The diagnosis and treatment of this rare complication is illustrated through multi-modality imaging. We hypothesize that the patient's heavily calcified bicuspid aortic valve anatomy led to asymmetric deployment of the transcatheter aortic valve replacement (TAVR) prosthesis, traumatizing the right sinus of Valsalva at the distal edge of the TAVR stent and ultimately fistulized to the right ventricle. The patient acutely decompensated with heart failure five days after TAVR and underwent emergent intervention. The aorto-right ventricular fistula was closed using an 18-mm septal occluder device with marked clinical recovery. Transcatheter closure is a viable treatment option for acute aorto-right ventricular fistula. © 2016 Wiley Periodicals, Inc.
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