The superior vena cava (SVC) and inferior vena cava (IVC) have a critical role in maintaining venous return to the heart. Their occlusion is a source of considerable hemodynamic morbidity. SVC occlusion is usually related to venous stenosis because of…
The diagnosis of acute and chronic venous disease is usually made by compression ultrasound (US) of the extremities and by computed tomography (CT) or magnetic resonance imaging (MRI) in the chest, abdomen, and pelvis. Invasive contrast venography, including intravascular US…
You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
Acute aortic dissection causes death by rupture of the false lumen or by end-organ malperfusion. Untreated acute type A dissection has a mortality of approximately 50% within 48 hours, predominantly caused by rupture resulting in cardiac tamponade. Acute type B…
The natural history of aortic dissections associated with aortic rupture or end-organ malperfusion invites a careful study of the structural properties of the false and true lumens (why the false lumen ruptures) and of the mechanisms of branch artery obstruction…