Learning Curve for Endoscopic Transsphenoidal Surgery: A Systematic Review and Meta- Analysis
- Authors
- Ahn, Yong; Lee, Sol; Shin, Dong-Won
- Issue Date
- Jan-2024
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Endoscopic; Learning curve; Pituitary tumor; Sellar; Transnasal; Transsphenoidal
- Citation
- WORLD NEUROSURGERY, v.181, pp 116 - 124
- Pages
- 9
- Journal Title
- WORLD NEUROSURGERY
- Volume
- 181
- Start Page
- 116
- End Page
- 124
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/89865
- DOI
- 10.1016/J.WNEU.2023.10.029
- ISSN
- 1878-8750
1878-8769
- Abstract
- -BACKGROUND: Endoscopic transsphenoidal surgery (ETSS) is emerging as an effective, minimally invasive surgery technique for brain tumors of the pitu-itary fossa. Using a surgical endoscope, surgeons can obtain a broader, nearer, and more apparent visual field with minimal keyhole entrance. However, ETSS may require a steep learning curve to achieve technical competence and relevant outcomes. Moreover, there is no consensus on the learning process of ETSS. We aimed to review and determine the technical proficiency points of ETSS and discuss how to accelerate the learning curve. -METHODS: Core databases, including PubMed, Embase, and the Cochrane Library, were systematically searched for learning curve studies that demon-strated the clinical outcomes and learning status of ETSS for pituitary adenomas using numerical data. Quality assessments of the included articles were per-formed using the Newcastle-Ottawa scale. The cutoff points were evaluated based on various outcome measures. -RESULTS: Eleven full-text articles, representing 2780 cases, were selected from 317 screened studies. The outcome measures were operative time, tumor removal, endocrinological results, visual field, and surgical complications. The plateaus or cutoff points in the learning curve varied with a mean of 103 +/- 139.43 (range, 9-500) cases. -CONCLUSIONS: ETSS is an efficient and minimally invasive alternative sur-gical option for pituitary tumors. Plateau points may differ according to outcome measures, patient selection, training status, and surgical conditions. Therefore, great care should be taken when interpreting the learning curve. A systematic training program is essential to improve the learning process of endoscopic neurosurgical procedures.
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