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European Spine Journal
Published in: European Spine Journal 4/2013

01-04-2013 | Original Article

Learning curve of full-endoscopic lumbar discectomy

Authors: Hsien-Ta Hsu, Shang-Jen Chang, Stephen S. Yang, Chung Liang Chai

Published in: European Spine Journal | Issue 4/2013

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Abstract

Purpose

To report the learning curve of full-endoscopic lumbar discectomy for a surgeon naive to endoscopic surgery but trained in open microdiscectomy.

Methods

From July 2006 to July 2009, 57 patients underwent full-endoscopic lumbar discectomy and 66 underwent open microdiscectomy. The clinical results were evaluated with a visual analog scale (VAS) and the Oswestry Disability Index (ODI). Spearman’s coefficient of rank correlation (rho) was used to assess the learning curves for the transforaminal and interlaminar procedures of full-endoscopic lumbar discectomy.

Results

After full-endoscopic lumbar discectomy, the VAS and ODI results of the patients followed up were comparable with those of open microdiscectomy. A steep learning curve was observed for the transforaminal procedure, but not the interlaminar procedure.

Conclusions

The learning curve of the transforaminal approach was steep and easy to learn, while the learning curve of the interlaminar approach was flat and hard to master.
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Metadata
Title
Learning curve of full-endoscopic lumbar discectomy
Authors
Hsien-Ta Hsu
Shang-Jen Chang
Stephen S. Yang
Chung Liang Chai
Publication date
01-04-2013
Publisher
Springer-Verlag
Published in
European Spine Journal / Issue 4/2013
Print ISSN: 0940-6719
Electronic ISSN: 1432-0932
DOI
https://doi.org/10.1007/s00586-012-2540-4

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