Document Type : Original research
Authors
1 Azadi teaching hospital
2 Head of Department of Neurosurgery, Neurosurgery Teaching Hospital, Baghdad, IRAQ.
Abstract
Background: The SIJ, formed between the sacrum and ilium, is subject to disorders mainly classified as intra-articular inflammation or dysfunction due to minor subluxation, with the latter being more common. Diagnosing SIJ-related pain is difficult, as clinical history, examination, and imaging often lack specificity. This prospective study evaluates the role of sacroiliac joint (SIJ) dysfunction as a significant cause of low back pain (LBP) and estimates its prevalence among affected patients.
Methods: Fifty patients with LBP below the L5 level were assessed over 18 months (October 2017 to March 2019). Those with three or more positive provocative SIJ tests underwent diagnostic lidocaine injection into the SIJ. A positive diagnosis was confirmed by ≥70% pain relief within 30–60 minutes post-injection.
Result: Of the fifty patients, 20% were diagnosed with SIJ dysfunction. The condition was more prevalent in females and obese individuals. SIJ pain was more common on the left side (70%) than the right (30%).
Conclusions: SIJ dysfunction is an underrecognized cause of LBP, with prevalence ranging from 15% to 30% in various studies. Increased clinical suspicion and accurate diagnosis are essential to avoid unnecessary spinal surgeries and reduce the risk of failed back surgery syndrome (FBSS).
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