Comparison of endoscopy endoscopic unilateral laminectomy for bilateral decompression(Endo-ULBD)and laminectomy in the treatment of two-level lumbar spinal stenosis(LSS)
Objective To compare the clinical efficacy of endoscopic unilateral interlaminal decompression(Endo-ULBD)and endoscopic window decompression(Endo-LOVE)in the treatment of two-level lumbar spinal stenosis(LSS).Methods 112 patients with lumbar spinal stenosis in the hospital were selected(January 2020 to July 2023).The patients were divided into ULBD group(n=54)and LOVE group(n=58)according to the operation method.Endo-ULBD was performed in the ULBD group,and Endo-LOVE was performed in the LOVE group.Outpatient follow-up was performed 1,3 and 6 months after the sur-gery.The postoperative recovery of the 2 groups was compared.Results The operation time of LOVE group was shorter than that of ULBD group,and the intraoperative fluoroscopy times were less than that of ULBD group(P＜0.05).Before the treatment(T1),there was no significant difference in visual ana-logue scale(VAS)scores between the 2 groups(P＞0.05).VAS scores at 1 month(T2)～6 months(T4)were lower than those at T1(P＜0.05).There was no significant difference in the VAS scores of T2～T4 between the 2 groups after the operation(P＞0.05).There was no significant difference in Oswe-stry Disability Index(ODI)scores between the 2 groups T1(P＞0.05).The postoperative ODI scores of T2 to T4 were lower than those of T1(P＜0.05),and there was no statistical significance in the postoper-ative ODI scores of T3 and T4 between the 2 groups(P＞0.05),while the T2 ODI scores of LOVE group were higher than those of ULBD group(P＜0.05).At the last follow-up,there was no significant differ-ence in the rate of excellent and good lumbar function between the 2 groups(P＞0.05).There was no sig-nificant difference in the incidence of complications between the 2 groups after the surgery and during fol-low-up(P＞0.05).Conclusion Endo-ULBD and Endo-LOVE have similar efficacy in the treatment of two-level LSS.The former has better short-term improvement of lumbar function,while the latter has shorter operation time and fewer intraoperative fluoroscopy times.
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