目的：观察自体外周血干细胞移植对下肢缺血性疾病截肢率及截肢平面的影响。

AIM: to observe the effect of autologous peripheral blood stem cell transplantation (PBSCT) on amputation rate and amputation level in ischemic diseases of lower extremity.

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目的：观察环磷酰胺联合重组人粒细胞集落刺激因子对自体外周血干细胞的动员效果。

Objective: To observe the effect of cyclophosphamide and recombinant human granulocyte colony-stimulating factor(rhG-CSF, Filgrastim ) on autologous peripheral blood stem cells mobilization.

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目的观察经皮经腔冠状动脉内移植自体外周血干细胞（PBSC）治疗急性心肌梗死（AMI）的可行性与安全性。

Objective To observe the safety and feasibility of autologous peripheral blood stem cell (PBSC) transplantation by intracoronory infusion in patients with acute myocardial infarction (AMI).

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