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BJA Advance Access published online on January 21, 2009
British Journal of Anaesthesia, doi:10.1093/bja/aen383
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© The Board of Management and Trustees of the British Journal of Anaesthesia 2009. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

Evaluation of the therapeutic results of epiduroscopic adhesiolysis for failed back surgery syndrome

N. Takeshima1,*, H. Miyakawa1, K. Okuda1, S. Hattori2, S. Hagiwara1, J. Takatani1 and T. Noguchi1

1 Oita University Faculty of Medicine, Department of Anesthesiology and Intensive Care Medicine, 1-1 Idaigaoka, Hasama, Oita 879-5593, Japan
2 National Cancer Center Hospital, Department of Anesthesiology, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan

* Corresponding author. E-mail: ntake{at}med.oita-u.ac.jp

Background: No data for patients with failed back surgery syndrome (FBSS) based on the location of adhesions separated by epiduroscopic adhesiolysis have been reported.

Methods: We performed epiduroscopic adhesiolysis on 28 FBSS patients to examine the impact of differences in the locations of the separated regions on the treatment results. We performed fluoroscopic imaging through the sacral hiatus to assess the condition of adhesions in the epidural space during the post-adhesiolysis observation period.

Results: In patients in whom only the epidural space was separated by adhesiolysis, there was a significant improvement in the Roland–Morris disability questionnaire (RDQ) score until 12 weeks after adhesiolysis, but the score gradually returned to the preoperative value thereafter. Among patients in whom the nerve root responsible for radicular pain was separated, there was a long-term improvement in the RDQ, Oswestry disability index 2.0 (ODI), and Japanese Orthopedic Association Assessment of Treatment (JOA) scores. Among patients in whom both the epidural space and the nerve root responsible for pain were separated, there was a 12 week improvement in the RDQ score and 24 week improvements in the ODI and JOA scores.

Conclusions: Progressive epidural imaging after adhesiolysis suggested that pain was caused by re-adhesion around the nerve root. Since re-adhesion of the nerve root required some time, the effect of adhesiolysis was maintained for extended periods in these cases. We suggest that epiduroscopic adhesiolysis is an effective therapy for FBSS patients, and that adhesiolysis of the nerve root may exhibit the long-term (24 weeks) efficacy in patients with pain.

Keywords: anaesthetic techniques, epiduroscopic adhesiolysis; failed back surgery syndrome; pain, leg; pain, lower back


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Evaluation of the therapeutic results of epiduroscopic adhesiolysis for failed back surgery syndrome
Johann N Emmanuel
British Journal of Anaesthesia, 2 Mar 2009 [Full text]
Epiduroscopic adhesiolysis for failed back surgery syndrome
Naozumi Takeshima
British Journal of Anaesthesia, 1 Apr 2009 [Full text]

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