Platypnea–orthodeoxia syndrome is diagnosed when a patient endorses positional dyspnea and there is evidence of arterial ...

Systemic to pulmonary arterial shunts are surgically created connections between the aorta and a pulmonary artery in children with cyanotic congenital heart disease, such as tetralogy of Fallot or ...

We previously reported on the partial prevention of experimental shunt-induced pulmonary arterial hypertension (PAH) by the nonselective endothelin (ET) ET-A/ET-B receptor antagonist bosentan. As the ...

A patent foramen ovale has been observed in about 20 per cent of persons surveyed. 5 A similar proportion has been observed in this . . . From the Department of Medicine, Royal Hospital, Sheffield ...

Among patients with advanced chronic obstructive pulmonary disease (COPD), an arteriovenous (AV) shunt improves physiological parameters such as cardiac output and oxygen delivery but does not have a ...

VENOUS anastomoses connecting the portal and pulmonary veins have been shown in cirrhotic patients by post-mortem injection, 1 and there has been considerable speculation concerning their possible ...

Within the last 24 months, I have financial relationship(s) or affiliation(s) with a manufacturer, marketer, reseller, or distributor of a healthcare product or service involved in the management of ...

A pulmonary arteriovenous malformation is an abnormal connection between an artery and a vein within the lungs that allows deoxygenated venous blood to pass directly into the system circulation.