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Minimum Seven-Year Follow-Up Outcomes of Percutaneous Endoscopic Lumbar Discectomy for Lumbar Degenerative Disease

Authors Li X, Bai J, Hong Y, Zhang J, Tang H, Lyu Z, Liu S, Chen S, Liu J

Received 25 November 2020

Accepted for publication 22 February 2021

Published 5 March 2021 Volume 2021:14 Pages 779—785

DOI https://doi.org/10.2147/IJGM.S293400

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Xiang Li,1 Jinzhu Bai,2 Yi Hong,2 Junwei Zhang,2 Hehu Tang,2 Zhen Lyu,2 Shujia Liu,2 Shizheng Chen,2 Jiesheng Liu2

1Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, People’s Republic of China; 2Department of Spine and Spinal Cord Surgery, Beijing Bo’ai Hospital, China Rehabilitation Research Center; School of Rehabilitation, Capital Medical University, Beijing, People’s Republic of China

Correspondence: Jinzhu Bai
Department of Spine and Spinal Cord Surgery, Beijing Bo’ai Hospital, China Rehabilitation Research Center; School of Rehabilitation, Capital Medical University, No. 10 North Jiaomen Road, Fengtai District, Beijing, 100068, People’s Republic of China
Email [email protected]

Purpose: To investigate the long-term (> 7 years) clinical outcomes of percutaneous endoscopic lumbar discectomy for lumbar degenerative disease to address postoperative problems including postoperative dysesthesia (POD), residual back pain and segmental instability.
Methods: Inclusion and exclusion criteria were established. All patients who met the above criteria were treated by PELD using the transforaminal approach. Limited discectomy was performed to preserve the disc material in the intervertebral space as much as possible. The Oswestry Disability Index (ODI), Japanese Orthopaedic Association (JOA) score, visual analog scale (VAS) score for back pain (VAS-B) and leg pain (VAS-L) and Modified MacNab’s criterion were used for clinical evaluation. Radiographic parameters including height of intervertebral disc and segmental instability were also evaluated.
Results: Forty-two patients (24 men and 18 women) who met our inclusion and exclusion criteria were included in our study. The average follow-up period was 95.71± 5.63 months (ranging from 87 to 105 months). There were no neurological complications associated with the operation. POD was found in 14.29% of patients, while only 2 patients (4.76%) complained of mild dysesthesia at final follow-up. Two patients (4.76%) required revision surgery during the follow-up period. The final follow-up ODI, JOA score, VAS-B and VAS-L were significantly better than preoperative values. The average disc-height ratio was 84.52± 5.66% of the preoperative disc height. No instability at the operation level was noted at final follow-up.
Conclusion: Our study showed that PELD using the transforaminal approach can provide favorable results after a long-term follow-up period. POD is a common complication at initial prognosis. Limited discectomy can preserve the disc height well and minimize the risk of residual back pain.

Keywords: percutaneous endoscopic lumbar discectomy, transforaminal approach, long-term follow-up, back pain

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