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.
Neurol India 2020;
68:1157-1165. [PMID:
33109867 DOI:
10.4103/0028-3886.299145]
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Abstract
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.
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