1. Stage I:

    • Avoidance/reduction of risk factors
    • Treatment of concomitant diseases

  2. Stage II:

    • Avoidance/reduction of risk factors
    • Treatment of concomitant diseases

      • Stage IIa:

    • Ergotherapy (walking exercise) and physiotherapy
    • Drug treatment

      • Stage IIb:

    • Only very cautious walking training
    • Drug treatment
    • Thrombolysis
    • PTA
    • (Stent) surgery

  3. Stage III + IV:

    • Avoidance/reduction of risk factors
    • Treatment of concomitant diseases
    • PTA
    • Stent-, bypass-surgery
    • Thromboendarterectomy