“…17 Ulcer healing and the time required thereof are closely associated with the quality of life of DFU patients and medical costs. 18 Fossaceca et al 19 reviewed the local conditions of affected limbs in 201 diabetic foot patients before and after PTA, and found that DR compared with IR could significantly improve the TcPO2 level. Alexandrescu et al 20 reported the preliminary results of a prospective study on the effect of DR and IR on ulcer healing in 167 DFU patients.…”