Table 2 Severity classification of acute lower limb arterial occlusive disease
From: Leriche syndrome diagnosed due to polytrauma: a case report
Class | Description/prognosis | Findings | Doppler signals | ||
|---|---|---|---|---|---|
Sensory loss | Muscle weakness | Arterial | Venous | ||
I:Viable | Not immediately threatened | None | None | Audible | Audible |
II:Threatened a:Marginal b:Immediate | Salvageable if promptly treated | Minimal (toes) or none | None | (Often) inaudible | Audible |
Salvageable with immediate revascularization | More than toes, associated with rest pain | Mild, moderate | (Usually) inaudible | Audible | |
III:Irreversible | Major tissue loss or permanent nerve damage inevitable | Profound, anesthetic | Profound, paralysis (rigor) | Inaudible | Inaudible |