| Summary: | Xiao-Kang Cheng, Bin Chen Orthopaedic Department, Chengde Medical University Affiliated Hospital, Chengde 067000, Hebei, People’s Republic of ChinaCorrespondence: Bin ChenOrthopaedic Department, Chengde Medical University Affiliated Hospital, Chengde 067000, Hebei, People’s Republic of ChinaTel +86 15633142760Email drchenbin@vip.sina.comPurpose: Percutaneous transforaminal endoscopic decompression (PTED) is an ultra-minimally invasive surgical option for patients that does not involve the same amount of destabilizing facet joint removal as a traditional laminectomy. The objective of this study was to describe the procedure of PTED under local anesthesia for geriatric patients with central spinal stenosis and degenerative lumbar spondylolisthesis (CSS-DLS).Materials and Methods: From January 2016 to December 2018, 30 consecutive geriatric patients who underwent surgery for single-level CSS-DLS were retrospectively reviewed. All patients were followed for at least 12 months (12– 24 months). The visual analog scale (VAS) scores, Oswestry disability index (ODI) scores and modified MacNab criteria were used to evaluate the clinical results.Results: The mean age was 73.1± 6.0 years. Follow-up ranged from 12 to 36 months. The mean±SD values of the preoperative VAS for leg pain and ODI were 7.4± 1.0 and 67.2± 8.4, respectively. The values improved to 2.2± 1.1 and 19.9± 8.1 at 12 months postoperatively. The outcomes of the modified MacNab criteria showed that 93.3% of patients obtained a good-to-excellent rate. The percent slippage of spondylolisthesis before surgery (13.8± 2.5%) and at the end of follow-up (14.0± 2.5%) was not significantly different.Conclusion: PTED under local anesthesia could be a useful supplement to traditional decompression in geriatric patients with CSS-DLS.Keywords: percutaneous transforaminal endoscopic decompression, degenerative lumbar spondylolisthesis, central spinal stenosis, geriatric patients
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