• Danlan Pu, Xiaotian Lei, Weiling Leng, Yanling Zheng, Liu Chen, Ziwen Liang, Bing Chen, and Qinan Wu.
• Endocrinology and Nephrology Department, Chongqing University Cancer Hospital and Chongqing Cancer Institute and Chongqing Cancer Hospital, Chongqing 400030, China.
• Ann Transl Med. 2019 Sep 1; 7 (18): 485.

BackgroundTo investigate whether lower limb vascular intervention or autologous platelet-rich gel (APG) treatment would benefit diabetic lower extremity arterial disease (LEAD) patients with foot ulcers.MethodsA total of 82 diabetic LEAD patients with foot ulcers were recruited and divided into three groups: group A (30 patients received basal treatment), group B (21 patients received basal and APG treatment), and group C (31 patients received basal and lower limb vascular intervention treatment). All patients underwent routine follow-up visits for 6 months. The baseline characteristics and parameters were examined. After treatment, changes in all parameters from baseline were recorded. The differences between groups and the relationship among each parameter were determined.ResultsThere were no differences in the ankle brachial index (ABI) or major amputation between groups A and B (P>0.05). Compared with groups A and B, the ABI and major amputation rate of group C were improved (P<0.05). There were no significant differences in transcutaneous oxygen partial pressure (TcPO2), the heal rate or minor amputation between groups A and C (P>0.05). Compared with groups A and C, TcPO2, the heal rate and minor amputation of group B were improved (P<0.05). The logistic regression analysis indicated that major amputation was mainly associated with the ABI, and minor amputation was mainly associated with TcPO2. Lower limb vascular intervention improves the ABI and reduces major amputation, and APG improves TcPO2 and reduces minor amputation.ConclusionsIn diabetic LEAD patients with foot ulcers, major amputation was mainly associated with the ABI, while minor amputation was mainly associated with TcPO2. Interventional surgery (angioplasty) mainly improves the ABI, reduces the incidence of major amputation and improves the macrovasculature, and APG mainly improves local TcPO2, reduces the incidence of minor amputation and improves the microcirculation.2019 Annals of Translational Medicine. All rights reserved.

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