It is better described as chronic peripheral venous insufficiency.

He was declared unfit for flight service due to chronic venous insufficiency.

One clinical study showed mixed results in the treatment of chronic venous insufficiency.

Research also shows that this drug can be of use for patients with diabetes and chronic renal insufficiency.

That's why doctors sometimes call the illness chronic adrenal insufficiency, or hypocortisolism.

Article: Should patients with chronic renal insufficiency undergo carotid intervention?

High-quality evidence suggests aescin is a safe and effective treatment for chronic venous insufficiency.

It has been investigated for use in treatment of chronic venous insufficiency.

The resulting "extract" is used for treating a blood circulation problem called chronic venous insufficiency.

Some studies show that it can help treat chronic venous insufficiency.