What are the consequences of an elderly man with a ruptured popliteal aneurysm?

A serious problem: Popliteal aneurysms very rarely rupture, but instead they more commonly thrombose. When this occurs small pieces of clot shower downstream into all of the small artery branches below the knee. This is a vascular surgery emergency. Over half of patients who suffer thrombosis of a popliteal artery aneurysm will require amputation, below or often above the knee.