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Canadian Respiratory Journal
Volume 11 (2004), Issue 8, Pages 597-598
Case Report

Massive Pulmonary Hemorrhage from Dual Circulation Pulmonary Arteriovenous Malformations in Hereditary Hemorrhagic Telangiectasia

Krishna B Sharma1 and Lutz Forkert2

1Division of Respirology, Department of Medicine, University of Ottawa, Ottawa, Canada
2Division of Respiratory and Critical Care Medicine, Department of Medicine, Queen’s University, Kingston, Ontario, Canada

Copyright © 2004 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Pulmonary arteriovenous malformations (AVMs) are commonly supplied by the pulmonary arterial system and rarely by the systemic bronchial circulation. The authors outline the case of a young woman with pulmonary AVMs as part of hereditary hemorrhagic telangiectasia with the uncommon presentation of massive hemoptysis. Management of her recurrent, life-threatening pulmonary hemorrhage was complicated by pulmonary AVMs that were supplied by both the pulmonary and systemic bronchial arterial circulatory systems. Transcatheter embolotherapy of the higher pressure bronchial systemic circuit was necessary for acute hemostasis.