Acute lower extremity arterial occlusive disease is a cardiovascular surgical emergency, a disease with diverse and complex developments that leads to lack of blood supply to the occluded limb. If not diagnosed and treated promptly, it will lead to limb necrosis, especially death due to septic shock state of the whole body.

Arteritis is a slow progression, difficult to diagnose and easily confused with other diseases, so if not treated promptly, it will lead to serious consequences such as systemic infection, amputation of a necrotic limb, or even amputation. even death.

Peripheral artery disease refers to stenosis, incomplete occlusion, complete occlusion or aneurysm of one or more arterial segments causing symptoms of ischemia in a limb or organ. The main manifestation is pain, cyanosis, necrosis with different properties.