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Acta Neurochir (Wien). 2019 May 3. doi: 10.1007/s00701-019-03923-3. [Epub ahead of print]

Gluteus medius muscle decompression for buttock pain: a case-series analysis.

Author information

1
Department of Neurosurgery, Kushiro Rosai Hospital, Kushiro City, Hokkaido, Japan. kyongson@nms.ac.jp.
2
Department of Neurosurgery, Chiba Hokuso Hospital, Nippon Medical School, 1715, Kamagari, Inzai City, Chiba, Japan. kyongson@nms.ac.jp.
3
Department of Neurosurgery, Kushiro Rosai Hospital, Kushiro City, Hokkaido, Japan.
4
Department of Neurosurgery, Nippon Medical School, Bunkyo-ku, Tokyo, Japan.

Abstract

BACKGROUND:

The causes of low back and buttock pain are variable. Elsewhere, we presented a surgical technical note addressing the gluteus medius muscle (GMeM) pain that elicited buttock pain treatable by surgical decompression. Here, we report minimum 2-year surgical outcomes of GMeM decompression for intractable buttock pain.

METHODS:

Between January 2014 and December 2015, we surgically treated 55 consecutive patients with a GMeM pain. Of these, 39 were followed for at least 2 years; they were included in this study. Their average age was 69.2 years; 17 were men and 22 were women. The affected side was unilateral in 24 patients and bilateral in the other 15 (total 54 sites). The mean follow-up period was 40.0 months (range 25-50 months). The severity of pre- and post-treatment pain was recorded on the numerical rating scale (NRS) and the Roland-Morris Disability Questionnaire (RDQ).

RESULTS:

Of the 39 patients, 35 also presented with leg symptoms. They were exacerbated by walking in all 39 patients and by prolonged sitting in 33 patients; 19 had a past history of lumbar surgery and 4 manifested failed back surgery syndrome. Repeat surgery for wider decompression was performed in 5 patients due to pain recurrence 15.8 months after the first operation. At the last follow-up, the symptoms were significantly improved; the average NRS fell from 7.4 to 2.1 and the RDQ score from 10.5 to 3.3 (p < 0.05).

CONCLUSIONS:

When diagnostic criteria are met, GMeM decompression under local anesthesia is a useful treatment for intractable buttock pain.

KEYWORDS:

Buttock pain; Case series; Decompression surgery; Gluteus medius muscle; Surgical results

PMID:
31049711
DOI:
10.1007/s00701-019-03923-3

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