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Eur J Cardiothorac Surg 2007;32:547-549. doi:10.1016/j.ejcts.2007.06.018
Copyright © 2007, European Association for Cardio-Thoracic Surgery. Published by Elsevier B.V. All rights reserved

Case reports

Submitral aneurysm with left atrial communication

Cheemalapati Sai Krishnaa,*, Palli Venkata Naresh Kumara, Nanda Kishore Panigrahib, Kalagara Sumanc

a Department of Cardio-Thoracic Surgery, Apollo Heart Institute, Visakhapatnam, Andhra Pradesh, India
b Department of Cardiology, Apollo Heart Institute, Visakhapatnam, Andhra Pradesh, India
c Division of Radio-Diagnosis, Vijaya Medical Center, Visakhapatnam, Andhra Pradesh, India

Received 6 February 2007; received in revised form 8 May 2007; accepted 11 June 2007.

* Corresponding author. Address: Department of Cardiothoracic and Vascular Surgery, Apollo Heart Institute, Waltair Main Road, Visakhapatnam 530002, Andhra Pradesh, India. Tel.: +91 891 2529618/2727272x526; fax: +91 891 2560858. (Email: csaikrishna{at}yahoo.com).

Annular sub-mitral aneurysms are rare lesions of varied etiology. A sub-mitral membranous curtain may be a potential area of weakness through which these lesions expand. Initially described in young males of African origin and reported from varying geographical areas, these lesions arise from the atrioventricular groove in close relation to the mural leaflet. They may cause pressure effects, lead to mitral incompetence and left ventricular dysfunction. Key issues during repair are proximity to the circumflex coronary artery, atrioventricular junction and progressive involvement of the mitral valve. This case report of a calcified bi-lobed sub-mitral aneurysm with communication to the left atrium discusses the anatomical basis of the lesion, the role of computed tomogram angiography in pre-operative evaluation and surgical management.

Key Words: Aneurysm other • Mitral valve • Left ventricle






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Copyright © 2007 European Association for Cardio-Thoracic Surgery. Published by Elsevier. All rights reserved.