Spinal cord electrical stimulation with neurophysiological monitoring for treatment of high-risk diabetic foot
Objective To evaluate the clinical efficacy of a single-session implantation of spinal cord electrical stimulation with neurophysiological monitoring a spinal cord electrical stimulator under general anesthesia with neurophysiological monitoring for the treatment of high-risk diabetic foot.Methods The clinical data of seven patients with high-risk diabetic foot who underwent spinal cord electrical stimulation in neurosurgery ward nine of Tianjin Huanhu Hospital from May 2022 to May 2023 were collected.The operation was performed under general anesthesia with the"C"arm X ray machine guidance and neurophysiological monitoring.The arterial diameter and peak flow rate of lower extremity,lower extremity skin temperature(calf skin temperature,foot skin temperature),visual analog scale(VAS),continuous distance of movement,blood glucose level and toe wound were compared between patients before and after surgery.Results A total of seven patients with high-risk diabetic foot were included.The diameters and peak flow rates of femoral artery,popliteal artery,anterior tibial artery,posterior tibial artery and dorsal foot artery in both lower limbs were significantly improved after surgery.All patients had different degrees of lower limb pain before operation.After operation,VAS score decreased significantly(1.1±0.9 vs.6.8±3.4),the pain was significantly relieved,and the calf skin temperature and foot skin temperature were significantly higher than those before surgery[calf skin temperature(℃):33.3±0.9 vs.30.9±0.7,foot skin temperature(℃):31.4±0.8 vs.29.1±0.6],fasting blood glucose and postprandial blood glucose were significantly lower than those before surgery[fasting blood glucose(mmol/L):7.6±1.4 vs.10.5±1.2,postprandial blood glucose(mmol/L):9.3±2.3 vs.13.5±1.1],the differences were statistically significant(all P<0.01).The lower limb movement of all seven patients was significantly improved after surgery,including one patient who needed wheelchair travel before surgery,and one patient who had intermittent claudication before surgery.Among them,one patient needed wheelchair travel and one patient had intermittent claudication before surgery.All patients could walk normally at 2 weeks after operation.Among the seven patients,two patients had the diabetic foot wound ulceration before surgery,which could not heal for a long time.One month after surgery,blood flow around the foot wound recovered and the healing was accelerated.The wound was dry and crusted around the wound,and the wound healed well.Conclusion For diabetic high-risk foot patients who are intolerant to diabetic peripheral neuralgia and local anesthesia spinal cord electrical stimulation test,one-time implantation of spinal cord electrical stimulator under general anesthesia under neurophysiological monitoring can effectively alleviate peripheral neuralgia and other diabetic foot related symptoms,improve lower limb blood supply,and reduce the risk of toe amputation.Clinical practice has proved the effectiveness of this technique,especially for the early treatment of diabetic high-risk foot patients.
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