Is It Useful to Repeat Sacroiliac Joint Provocative Tests Post‐Block?

Is It Useful to Repeat Sacroiliac Joint Provocative Tests Post?Block? - Stanford - 2010 - Pain Medicine - Wiley Online LibrarySkip to Main Content

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DOI: 10.1111/j.1526-4637.2010.00968.x

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How to CiteStanford, G. and Burnham, R. S. , Is It Useful to Repeat Sacroiliac Joint Provocative Tests Post?Block?. Pain Medicine, no. doi: 10.1111/j.1526-4637.2010.00968.x

Author Information1

Central Alberta Pain and Rehabilitation Institute, Lacombe Alberta

2

Division of Physical Medicine and Rehabilitation, University of Alberta, Edmonton Alberta, Canada

*Correspondence: Robert S. Burnham MD,

*Correspondence: Robert Burnham MD, 1, 6220—Highway 2A Lacombe Alberta, T4L 2G5, Canada. Tel: 403?782?6555; Fax: 403?782?6511; E?mail: rburnham@telusplanet.net.

Publication HistoryArticle first published online: 28 OCT 2010 SEARCH Search Scope All contentPublication titlesIn this journalIn this issue Search String Advanced >Saved Searches > SEARCH BY CITATION Volume: Issue: Page: ARTICLE TOOLSGet PDF (132K)Save to My ProfileE-mail Link to this ArticleExport Citation for this ArticleRequest Permissions AbstractArticleReferencesCited By View Full Article (HTML) Get PDF (132K) Keywords:Back Pain;Sacroiliac JointAbstract

Objective.? To evaluate the diagnostic usefulness of repeating sacroiliac joint (SIJ) provocative tests post?block.

Design.? Thirty?four patients with suspected unilateral mechanical SIJ pain participated. Eleven had confirmed SIJ origin pain (>79% pain relief with fluoroscopically guided comparative local anesthetic intra?articular blocks), whereas 23 were confirmed not to have SIJ origin pain (<80% pain relief with a single local anesthetic intra?articular block). Six SIJ provocative tests were performed 30 minutes prior to and following the blocks. Sensitivity, specificity, and likelihood ratios were calculated for subjects who had three or more positive pre?block SIJ provocative tests and for subjects in whom the majority of the SIJ provocative tests converted from positive to negative (normalized) post?block.

Results.? The sensitivity, specificity, and likelihood ratios for subjects with three or more positive pre?block SIJ provocative tests were 0.82, 0.57, and 1.9, respectively (P?=?0.04). For subjects in whom the majority of the SIJ provocative tests normalized, the sensitivity was 0.89, specificity 0.30, and likelihood ratio 1.3 (P?=?0.3).

Conclusion.? Multiple positive pre?block SIJ provocative tests have diagnostic utility however post?block normalization of SIJ provocative tests does not.

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