Orthopedics Medical News about Low Back Pain Pregnancy Sacrococcygeal Region Injections, Spinal

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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
Spine, 10/01/09

Torstensson T et al. – 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.

Methods

36 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.
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.
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.

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