Venous-phase angiography in subclavian-steal syndrome.

The value of demonstrating the venous phase of angiography in patients with subclavian-steal syndrome was evaluated in 17 patients. In patients with mild symptoms, there was no difference between the left and right jugular-vein opacification, but minimal or no opacification was observed in patients with severe symptoms. The authors believe evaluating venous phases in angiography in patients with subclavian-steal syndrome is useful because the findings correlate well with the severity of symptoms.