• Aysun Erdem, Esen ZencirciAycanADepartment of Cardiology, Dr Siyami Ersek Thoracic and Heart Surgery Education and Research Hospital, Istanbul 34710, Turkey., Kivilcim Ozden, and Sait Terzi.
• Department of Cardiology, Dr Siyami Ersek Thoracic and Heart Surgery Education and Research Hospital, Istanbul 34710, Turkey. erdemaysun@yahoo.com.
• World J Clin Cases. 2019 Nov 6; 7 (21): 3549-3552.

BackgroundTranscatheter aortic valve replacement (TAVR) is recommended in patients with severe aortic stenosis who have high surgical risk. However, in the pre-existing mechanical mitral valve prosthesis and natural pure aortic regurgitation, TAVR is relatively contraindicated. In this report, we described one case of TAVR with native aortic regurgitation in the presence of mechanical mitral valve prosthesis.Case SummaryA 64-year-old man with a medical history of mitral valve replacement had severe dyspnea and was symptomatic even at rest for 3 mo. His echocardiography showed severe native pure aortic regurgitation. His euroscore was 15. A TAVR procedure with an evolut R was planned. A 34 mm evolut R was placed by transesophageal echocardiography. The mitral prosthesis was functioning normally, and mild-moderate paravalvular leakage was evident by transesophageal echocardiography. The patient recovered without any complication. At 1 mo follow up, the patient was well, and no paravalvular leakage was noted.ConclusionTAVR for pure aortic regurgitation in the presence of prosthetic mitral valve can be a safe procedure.©The Author(s) 2019. Published by Baishideng Publishing Group Inc. All rights reserved.

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