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Mid-term Clinical Results of Microendoscopic Decompression for Lumbar Foraminal Stenosis.


ABSTRACT:

Introduction

There have been several reports on surgical techniques involving microendoscopy or percutaneous endoscopy for treating lumbar foraminal stenosis (LFS). However, no studies have assessed the mid-term clinical results of endoscopic techniques in spite of their relatively long history. In this study, we report 20 consecutive cases of LFS treated by our microendoscopic technique focusing on clinical results with a follow-up of at least two years.

Methods

Twenty consecutive cases of LFS treated with microendoscopic decompression were followed up at 1, 2, 6, and 12 months postoperatively and annually thereafter. The patients were 14 males and 6 females, and the mean age at the time of surgery was 64.7 years. The Japanese Orthopaedic Association (JOA) score was used as the clinical outcome index.

Results

Of the 20 patients, 16 were monitored successfully for more than 2 years. The follow-up rate was 80.0%, and the mean follow-up period was 66.3 months. The JOA score improved from 13.8 points before surgery to 24.6 points at final follow-up. Revision fusion surgeries were performed in two cases for LFS recurrence.

Conclusions

The microendoscopic technique effectively treats LFS.

SUBMITTER: Yoshimoto M 

PROVIDER: S-EPMC6698515 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Publications

Mid-term Clinical Results of Microendoscopic Decompression for Lumbar Foraminal Stenosis.

Yoshimoto Mitsunori M   Iesato Noriyuki N   Terashima Yoshinori Y   Tanimoto Katsumasa K   Oshigiri Tsutomu T   Emori Makoto M   Teramoto Atsushi A   Yamashita Toshihiko T  

Spine surgery and related research 20181201 3


<h4>Introduction</h4>There have been several reports on surgical techniques involving microendoscopy or percutaneous endoscopy for treating lumbar foraminal stenosis (LFS). However, no studies have assessed the mid-term clinical results of endoscopic techniques in spite of their relatively long history. In this study, we report 20 consecutive cases of LFS treated by our microendoscopic technique focusing on clinical results with a follow-up of at least two years.<h4>Methods</h4>Twenty consecutiv  ...[more]

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