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Corticosteroid injection treatment to the ischiadic spine reduced pain in women with long-lasting sacral low back pain with onset during pregnancy: a randomized, double blind, controlled trial
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine.
2009 (English)In: Spine, ISSN 0362-2436, E-ISSN 1528-1159, Vol. 34, no 21, 2254-2258 p.Article in journal (Refereed) PublishedText
Abstract [en]

Study Design. Randomized double blind controlled clinical trial.

Objective. To evaluate the pain relief effect of locally injected corticosteroid treatment in women with long-lasting sacral low back pain with onset during pregnancy.

Summary of Background Data. Pregnancy-related low back pain is a global problem. Almost 1 of 10 women still experienced disabling daily back pain 2 years after childbirth with high impact on the individual, family, and society. On spite of this, the sources of pain and effective treatment are uncertain.

Methods. Thirty-six women were allocated to injection treatment, with slow-release triamcinolone and lidocaine or saline and lidocaine, given at the sacrospinous ligament insertion on the ischiadic spine bilaterally with 4 weeks follow-up time. Primary outcome measure was reported pain intensity on visual analogue scale and secondary outcome measures number of pain-drawing locations and pain-provoking test results.

Results. The triamcinolone treatment group had significantly reduced pain intensity, number of pain locations, and pain-provoking test results between baseline and follow-up as compared with the saline treatment group. The absolute median change of visual analogue scale score in the triamcinolone treatment group was -24 mm and in the saline group +4.5 mm (P < 0.05). A reduced number of pain drawing locations was reported by 16 of 18 women in the triamcinolone group as compared with 10 of 18 in the saline group (P < 0.05). In the triamcinolone treatment group, 17 of 18 women had an improved pain provocation test result as compared with 9 of 18 in the saline treatment group (P < 0.01).

Conclusion. The anatomic region around the sacrospinous ligament insertion on the ischial spine is suggested to be one source of long-lasting sacral low back pain with onset during pregnancy. The pain was relieved by slow-release corticosteroid injection treatment to the ischial spine.

Place, publisher, year, edition, pages
Philadelphia: Lippincott Williams & Wilkins, 2009. Vol. 34, no 21, 2254-2258 p.
Keyword [en]
low back pain, randomized controlled trial, corticosteroid, injection
National Category
Orthopedics Neurology
Identifiers
URN: urn:nbn:se:umu:diva-115969DOI: 10.1097/BRS.0b013e3181b07eacISI: 000270382600003PubMedID: 19934804OAI: oai:DiVA.org:umu-115969DiVA: diva2:907270
Available from: 2016-02-26 Created: 2016-02-08 Last updated: 2016-02-26Bibliographically approved

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