Interventional treatment of pulmonary arteriovenous malformations

Pulmonary arteriovenous malformations(PAVM) are congenital vascular communications in the lungs.They act as right to left shunts so that the blood running through these malformations is not oxygenated or filtered.These patients are typically hypoxaemic with exercise intolerance and are at high risk...

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Published inWorld journal of radiology Vol. 2; no. 9; pp. 339 - 344
Main Authors Andersen, Poul Erik, Kjeldsen, Anette Drøhse
Format Journal Article
LanguageEnglish
Published United States Baishideng Publishing Group Co., Limited 28.09.2010
Subjects
artery
circulation
Embolization
hemorrhagic
Hereditary
Interventional
Pulmonary
Radiology
Telangiectasia
Interventional
Radiology
Embolization
Hereditary hemorrhagic
Pulmonary circulation
Pulmonary artery
Telangiectasia
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Summary:Pulmonary arteriovenous malformations(PAVM) are congenital vascular communications in the lungs.They act as right to left shunts so that the blood running through these malformations is not oxygenated or filtered.These patients are typically hypoxaemic with exercise intolerance and are at high risk of paradoxical emboli to the brain and other organs.These malformations are most commonly seen in hereditary haemorrhagic telangiectasia(HHT)(Mb.Osler-Weber-Rendu syndrome).Nowadays,the generally accepted treatment strategy of first choice is embolization of the afferent arteries to the arteriovenous malformations.It is a minimally invasive procedure and at the same time a lung preserving treatment with a very high technical success,high effectiveness and low morbidity and mortality.Embolization prevents cerebral stroke and abscess as well as pulmonary haemorrhage and further raises the functional level.Embolization is a well-established method of treating PAVM,with a significant effect on oxygenation of the blood.Screening for PAVM in patients at risk is recommended,especially in patients with HHT.
Bibliography:Poul Erik Andersen,Anette Drφhse Kjeldsen,Department of Radiology,Odense University Hospital,Sdr.Boulevard,DK-5000 Odense C,Denmark
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Telephone: +45-65412188 Fax: +45-65907244
Correspondence to: Poul Erik Andersen, MD, PhD, Department of Radiology, Odense University Hospital, Sdr. Boulevard, DK-5000 Odense C, Denmark. anders1@dadlnet.dk
Author contributions: Andersen PE was responsible for the review of the literature and the preparation of the manuscript; Kjeldsen AD was responsible for the review of the literature.
ISSN:1949-8470
1949-8470
DOI:10.4329/wjr.v2.i9.339