Authors: Metin, K.; Karaçelik, M.; Yavaçcan, .; Çelik, M.; Çetin, N.; Dorak, M.C.; Oto, .; Aksu, N.

Source: The Journal of International Medical Research, Volume 33, Number 4, July 2005 , pp. 467-471(5)

Publisher: Field House Publishing

Abstract:

Pulmonary arteriovenous malformations (PAVMs) are rare anomalies. The degree of right-to-left shunting, which can lead to cyanosis and paradoxical embolism causing neurological complications, determines the prognosis. We report two cases of PAVM and review the literature. A 45-year-old woman with clinical signs and symptoms of PAVM was examined using several different scanning techniques, which showed a large PAVM in the lower lobe of her right lung. A lobectomy was performed, which revealed a 5 cm diameter PAVM with one feeding artery and multiple veins. Intravenous angiography of a 7-year-old girl with symptoms of fatigue and acro-cyanosis confirmed the presence of a large PAVM in her right lower lobe. The PAVM had two major arteries arising from the aorta, which were ligated during a lobectomy. Both patients recovered well following surgery. Although PAVMs are rare, their neurological and haemodynamic consequences may be fatal. Interventional treatment techniques, including surgery, are usually curative.

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Keywords: PULMONARY ARTERIOVENOUS MALFORMATION; HEREDITARY HAEMORRHAGIC TELANGIECTASIA; CYANOSIS

Document Type: Research article

Publication date: 2005-07-01

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