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Incidental detection of accessory mitral valve in adolescent with Atrial Septal Defect: Diagnosis with 3D Transesophageal Echocardiography and Excision with Transaortic Method
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  • Emine Azak,
  • Nuri Hakan Aydın,
  • Niyazi Ata Ecevit,
  • İlker Çetin,
  • Zehra Golbasi
Emine Azak
Ankara Sehir Hastanesi

Corresponding Author:azakemi@gmail.com

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Nuri Hakan Aydın
Ankara Sehir Hastanesi
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Niyazi Ata Ecevit
Ankara Sehir Hastanesi
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İlker Çetin
Ankara Yildirim Beyazit Universitesi Tip Fakultesi
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Zehra Golbasi
Ankara Yildirim Beyazit Universitesi Tip Fakultesi
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Abstract

Background: Accessory mitral valve tissue (AMVT) is an extremely rare causes left ventricular outflow tract (LVOT) obstruction and is usually incidentally detected in childhood. It is often associated with other cardiac and vascular congenital malformations. Case Presentation: In this case, we present a 15-year-old girl was diagnosed with AMVT by transesophageal echocardiography, resulting in LVOT obstruction during systole. Interestingly enough, the patient’s accessory mitral valve remained undetected for years until he became symptomatic for wide ASD. Successful closure of the ASD with resection of the AMVT was performed with a transaortic approach. The patient was hemodynamically stable postoperatively. There were no abnormalities in the mitral valves and LVOT. Conclusion: It was also unusual to see AMVT with ASD instead of other frequently associated other congenital anomalies. Accessory mitral valve should be considered a rare but important cause of left ventricular outflow tract obstruction in childhood.
16 Feb 2022Submitted to Echocardiography
21 Feb 2022Submission Checks Completed
21 Feb 2022Assigned to Editor
27 Feb 2022Reviewer(s) Assigned
21 Mar 2022Review(s) Completed, Editorial Evaluation Pending
21 Mar 2022Editorial Decision: Revise Minor
20 Apr 20221st Revision Received
21 Apr 2022Submission Checks Completed
21 Apr 2022Assigned to Editor
22 Apr 2022Reviewer(s) Assigned
26 Apr 2022Review(s) Completed, Editorial Evaluation Pending
07 May 2022Editorial Decision: Accept
Jun 2022Published in Echocardiography volume 39 issue 6 on pages 851-854. 10.1111/echo.15369