Background:Lumbar decompressive surgery is a standard surgical technique for lumbar spinal stenosis. Many new surgical techniques have been introduced, ranging from open surgery to minimally invasive procedures. Minimally invasive surgical techniques are preferred because patients experience less postoperative pain and shorter hospital stays. However, the success rate of minimally invasive techniques have been controversial. The object of this study was to assess the feasibility of spinal decompression using biportal technique/endoscopic surgery compared with microscopic surgery.Methods:Seventy lumbar spinal stenosis patients undergoing laminectomy were included in this study. A number table was used to randomize the patients into two groups: a biportal technique/endoscopic surgery group (BG-36) and a microscopic surgery group (OG-34). One surgeon performed either biportal technique/endoscopic decompression or microscopic decompression using a tubular retractor, depending on the group to which the patient was randomized. Perioperative data and clinical outcomes at postoperative 6 months were collected and analyzed.Results:The demographic data and level of surgery were comparable between the two groups. A shorter operation time (36±11 vs 54±9min), less hemovac drain output (25.5±15.8 vs 53.2±32.1ml), less opioid usage (2.3±0.6 vs 6.5±2.5 T) and shorter hospital stay (1.2±0.3 vs 3.5±0.8 days) were shown in BG. The BG experienced no significant differences in clinical outcomes compared with OG. Favorable clinical outcomes were shown at 6 months after surgery in both groups.Conclusion:Lumbar decompressive surgery using biportal technique/endoscopy showed favorable clinical outcomes, less pain and a shorter hospital stay compared to microscopic surgery in patients with lumbar spinal stenosis.
Bibliographical noteFunding Information:
The authors thank Korea University Research Fund (K1132311). The authors have no conflicts of interests to disclose. Department of Orthopaedics, Korea University College of Medicine, Seoul, Republic of Korea. ∗Correspondence: Si Young Park, Department of Orthopaedics, Korea University College of Medicine, Anam Hospital, Inchonro 73, Seongbukgu, Seoul 02841, Republic of Korea (e-mail: email@example.com). Copyright © 2019 the Author(s). Published by Wolters Kluwer Health, Inc. This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial License 4.0 (CCBY-NC), where it is permissible to download, share, remix, transform, and buildup the work provided it is properly cited. The work cannot be used commercially without permission from the journal. Medicine (2019) 98:18(e15451) Received: 6 August 2018 / Received in final form: 27 February 2019 / Accepted: 7 April 2019 http://dx.doi.org/10.1097/MD.0000000000015451
© 2019 the Author(s). Published by Wolters Kluwer Health, Inc.
- biportal technique/endoscopic spinal surgery
- lumbar spinal stenosis
- microscopic surgery
ASJC Scopus subject areas