2、急性下肢缺血(ALI):是下肢动脉硬化闭塞症的严重并发症之一,ALI 可分为 I 类(未受到直接损伤,尚可保留肢体)、IIa/IIb 类(受到直接损伤但可挽救肢体)和 III 类(已遭受不可逆转的严重损伤)。及时识别急性动脉闭塞导致的急性下肢缺血,对于后续成功治疗至关重要,2024 美国指南推荐诊疗流程见图 4。
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