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Diagnosis and interventional pain management options for sacroiliac joint pain

Ching‑Wei Chuanga,b, Sheng‑Kai Hunga, Po‑Ting Pana, Ming‑Chang Kaoa,b*

aDepartment of Anesthesiology, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan, bSchool of Medicine, Tzu Chi University, Hualien, Taiwan

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Open Access funded by Buddhist Compassion Relief Tzu Chi Foundation




The sacroiliac (SI) joint is among the most common sources of chronic low back pain, accounting for 15%–30% of patients presenting chronic low back pain. The complex anatomic structures, nerve innervation, and functional biomechanisms of the SI region make it challenging to diagnose and treat the SI joint as a pain source. In addition to physical therapy and medication for treating SI joint pain, multiple interventional measures including steroid injection, radiofrequency ablation, prolotherapy, and SI joint fusion have been proposed with various efficacies. This article describes the etiology, risk factors, and diagnostic methods as well as the different treatment modalities, focusing on interventional pain management options for patients suffering from SI joint pain.
Keywords: Diagnostic block, Low back pain, Radiofrequency, Sacroiliac joint injection, Sacroiliac joint pain

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