Objective To explore the effects of unilateral bi-channel endoscopic technique(UBE)and transforaminal en-doscopic lumbar discectomy(TESSYS)on lumbar spinal stenosis with central obesity,as well as their impact on traumatic stress and complications.Methods Based on a 1∶1 matching principle,a retrospective study was conducted using the propensity score matching method.A total of 51 patients with central obesity and lumbar spinal stenosis who underwent UBE surgery in our hospital from September 2021 to June 2023 were included in the UBE group.Meanwhile,another 51 patients with central obesity and lumbar spinal stenosis who underwent TESSYS surgery during the same period were included in the TESSYS group.The study compared the surgical implementation and postoperative recovery indicators,trauma stress[reactive oxygen species,glutathione peroxidase(GSH-Px),interleukin-1β(IL-1β),interleukin-8(IL-8)],visual analog scale(VAS)scores for back pain and leg pain,Oswestry Disability Index(ODI),Schizas standard classification,excellent and good rate,and complications between the two groups.Results The operation time of UBE group was shorter than that of TESSYS group,the intraoperative bleeding and postoperative drainage were lower than that of TESSYS group,and the postoperative operation and discharge time were earlier than that of TESSYS group.The reactive oxygen species,IL-1β and IL-8 of UBE group were lower than those of TESSYS group 1 and 3 days after operation,and GSH-Px of UBE group was higher than that of TESSYS group.The VAS scores of back pain and leg pain at 3 days and 1 month after surgery and ODI at 1 month after surgery in UBE group were lower than those in TESSYS group.There was no significant difference in the standard grades of Schizas 1 month after surgery between UBE group and TESSYS group.The excellent and good rate of UBE group(98.04%)was higher than that of TESSYS group(82.35%).There was no significant difference in complications between the two groups.Conclusion Compared with TESSYS,UBE surgery has advantages in surgical implementation,reducing traumatic stress,promoting early postoperative recovery,symptom improvement,and functional prognosis in the treatment of lumbar spinal stenosis with central obesity.
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