Progress of endovascular treatment for below-the-knee arteriosclerosis occlusive disease
At present,the incidence of lower extremity arteriosclerosis occlusive disease is increasing year by year.The clinical studies targeting the occlusion of the iliac and femoropopliteal arteries have made satisfactory progress.The lesions of patients with below-the-knee arteriosclerosis occlusive disease are mainly characterised by long vascular lesions,fine calibre vessels,severe calcification,severe ischaemic symptoms and severe comorbid underlying diseases.Therefore,the difficulty of treatment of below-the-knee arterial lesions is high,and the rates of reocclusion and amputation are high.Previous studies have suggested that endovascular interventional therapy is considered to be more suitable for those who lacked available venous bypass and those who had severe underlying diseases with high risk of open surgery.However,with the rapid development of endoluminal interventional devices,endovascular treatment methods of below-the-knee arterial lesions are more and more,and clinical effectiveness have improved significantly.Currently,several studies have confirmed that endovascular treatment of below-the-knee atherosclerosis occlusive disease is a safe and effective method.However,for below-the-knee atherosclerosis occlusive disease,endovascular techniques such as simple balloon dilatation angioplasty,stenting and pharmacological ballooningare not able to achieve the efficacy as femoropopliteal lesions in the treatment of below-the-knee lesions.Therefore,this article introduces the methods and progress of endovascular treatment of below-the-knee arteriosclerosis occlusive disease,in order to provide reference for the treatment of below-the-knee arteriosclerosis occlusive disease.
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