Pulmonary arteriovenous fistula

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Pulmonary arteriovenous fistula is a condition in which an abnormal connection (fistula) develops between an artery and vein in the lungs. As a result, blood passes through the lungs without receiving enough oxygen.

Arteriovenous malformation - pulmonary

Pulmonary arteriovenous fistulas are birth defects that result when the blood vessels of the lung do not develop normally.

Patients with Rendu-Osler-Weber disease (ROWD), also called hereditary hemorrhagic telangiectasis (HHT), frequently have abnormal blood vessel development at many sites in the body, including the lungs, brain, nasal passages, liver, and gastrointestinal organs. This condition is slightly more common in women than in men.

Review Date: 11/13/2006
Reviewed By: David A. Kaufman, M.D., Assistant Professor, Division of Pulmonary, Critical Care & Sleep Medicine, Mount Sinai School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.