• Muhang Tian, Xinbo Wu, Fangjing Chen, Yanjie Zhu, Yunshan Fan, Haijian Ni, Yingchuan Zhao, and Shisheng He.
• Orthopedic Department, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China; Spinal Pain Research Institute, Tongji University School of Medicine, Shanghai, China; Tongji University School of Medicine, Shanghai, China.
• World Neurosurg. 2025 Feb 11: 123785123785.

BackgroundUni-portal Bi-channel & Dual-media Spinal Endoscopy system (UBD) is an original and valuable endoscopic system. The purpose of this technical note is to describe a single-centre case series of elderly patients with Thoraco-lumbar kyphosis with osteoporosis treated with the assistance of UBD system.MethodsThis paper presents a retrospective description of a case series including four patients with this condition. Demographic, clinical, imaging, and procedure-related data are reported.ResultsAll four patients achieved satisfactory correction of Thoraco-lumbar kyphosis. The patient's RKA and TLK improved significantly, correcting from 24.73 ± 6.51 to 5.46 ± 2.16 (P < 0.001) and 29.28 ± 4.02 to 6.33 ± 3.13 (P < 0.001). The patients showed an improvement in VAS and ODI scores postoperatively (P < 0.001). No complications were observed.ConclusionThis study suggests that UBD system assisting for elderly patients with rigid TLK with osteoporosis is a safe and effective approach.Copyright © 2025. Published by Elsevier Inc.

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