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| ORIGINAL ARTICLE
|Year : 2020 | Volume
| Issue : 5 | Page : 1157--1165
Generation Change of Practice in Spinal Surgery: Can Endoscopic Spine Surgery Expand its Indications to Fill in the Role of Conventional Open Spine Surgery in Most of Degenerative Spinal Diseases and Disc Herniations: A Study of 616 Spinal Cases 3 Years
Hyeun Sung Kim1, Pang Hung Wu2, Harshavardhan Dilip Raorane1, Il-Tae Jang1
1 Department of Neurosurgery, Spine Surgery, Nanoori Gangnam Hospital, Seoul, Republic of Korea
2 Department of Neurosurgery, Spine Surgery, Nanoori Gangnam Hospital, Seoul, Republic of Korea; Orthopaedic Surgery, National University Health System, Jurong Health Campus, Singapore
Background: A paucity of literature on the effect of spinal endoscopic surgery replacing a large percentage of open and microscopic minimally invasive surgery on outcomes in patients.
Objective: Evaluation of the effect of endoscopic practice expansion in degenerative spinal conditions and disc herniations on patients' outcome as we shifted from first-generation endoscopic discectomy to second-generation decompression and finally third generation of endoscopic spinal fusion practice.
Subjects and Methods: Retrospective cohort study on surgical treatment of degenerative spinal conditions for 616 spinal cases. Basic demographics, preoperative, postoperative 1 week, 6 months, and final follow-up of patients' clinical outcomes in terms of pain score, Oswestry disability index, and MacNab's criteria for pain score were evaluated.
Results: 75%, 91%, and 97% of the surgeries with complications rate of 8.2%, 9%, and 3.4% were found in Generation 1, 2, and 3 of endoscopic surgery, respectively. Compared to preoperative scores, each generation VAS and ODI scores all statistically significantly improved. In the final follow-up, compared to preoperative state, the mean VAS improvement was 4.75 ± 1.7, 5.49 ± 1.66, and 5.37 ± 1.70, mean ODI improvement was 45.99 ± 11.8, 48.93 ± 11.2, and 48.43 ± 11.41, and MacNab's criteria showed a trend of upward improvement of 87.3%, 96.0%, and 98.7% cases, which showed good-to-excellent outcome, in Generation 1, 2, and 3, respectively.
Conclusions: Generation change of increasing percentage of endoscopic surgeries and expansion of endoscopic spinal indications over open surgeries in degenerative spinal conditions and disc herniations are possible as a surgeon gets more experience with endoscopic spine surgery producing a good clinical outcome.
Prof. Hyeun Sung Kim
Department of Neurosurgery, Nanoori hospital Gangnam, Seoul 731, Eonju-ro, Gangnam-gu, Seoul - 06048
Republic of Korea
Source of Support: None, Conflict of Interest: None
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