Review Article
Thromboangiitis Obliterans (Buerger’s Disease)—Current Practices
Table 2
Leriche-fontaine classification.
| Stages | Symptoms | Pathophysiology | Pathophysiological classification |
| I | Asymptomatic or effort pain. | Relative hypoxia | Silent arteriopathy | II A | Effort pain/pain-free walking distance >200 m. | Relative hypoxia | Stabilized arteriopathy, noninvalidant claudication | II B | Pain-free walking distance <200 m. | Relative hypoxia | Instable arteriopathy, invalidant claudication | III A | Rest pain, ankle arterial pressure >50 mm Hg. | Cutaneous hypoxia, tissue acidosis, ischemic neuritis | Instable arteriopathy, invalidant claudication | III B | Rest pain, ankle arterial pressure <50 mm Hg. | Cutaneous hypoxia, tissue acidosis, ischemic neuritis | Instable arteriopathy, invalidant claudication | IV | Trophic lesions, necrosis or gangrene. | Cutaneous hypoxia, tissue acidosis, necrosis | Evolutive arteriopathy |
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Adapted from [41].
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