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Papers of the Week

2020 Sep 05

Orthop Traumatol Surg Res

Sacroiliac joint syndrome after lumbosacral fusion.


Bronsard N, Pelletier Y, Darmante H, Andréani O, de Peretti F, Trojani C
Orthop Traumatol Surg Res. 2020 Sep 05.
PMID: 32900669.


One-third of low back pain cases are due to the sacroiliac (SI) joint. The incidence increases after lumbosacral fusion. A positive Fortin Finger Test points to the SI joint being the origin of the pain; however, clinical examination and imaging are not specific and minimally contributory. The gold standard is a test injection of local anesthetic. More than 70% reduction in pain after this injection confirms the SI joint is the cause of the pain. The aim of this study was to evaluate the decrease in pain on a Numerical Rating Scale (NRS) after intra-articular injection into the SI joint. We hypothesised that intra-articular SI injection will significantly reduce SI pain after lumbosacral fusion.