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Microcirculation Improvement in Diabetic Foot Patients after Treatment with Sucrose Octasulfate-Impregnated Dressings

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To assess the patients’ microcirculation evolution during the treatment with a sucrose octasulfate-impregnated dressing, fifty patients with neuroischaemic DFU treated with TLC-NOSF dressing were included in a prospective study between November 2020 and February 2022. TcpO2 values were measured on the dorsalis pedis or tibial posterior arteries’ angiosome according to the ulcer location. TcpO2 values were assessed at day 0 and every 4 weeks during 20 weeks of the follow-up or until the wound healed. A cut-off point of tcpO2 < 30 mmHg was defined for patients with impaired microcirculation. The TcpO2 values showed an increase between day 0 and the end of the study, 33.04 � 12.27 mmHg and 40.89 � 13.06 mmHg, respectively, p < 0.001. Patients with impaired microcirculation showed an increase in the tcpO2 values from day 0 to the end of the study (p = 0.023). Furthermore, we observed a significant increase in the TcpO2 values in the forefoot DFU (p = 0.002) and in the rearfoot DFU (p = 0.071), with no difference between the ulcer locations (p = 0.694). The local treatment with TLC-NOSF dressing improved the microcirculation in patients with neuroischaemic DFU, regardless of microcirculation status at the baseline, and in the forefoot, regardless of the location.
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