Chapter 6: Diagnosing SI Joint Disorders - SI Joint Injection (Demonstration)

The current standard is that an SI joint injection should be performed under fluoroscopic guidance, utilizing contrast to confirm needle placement, injecting no more than 2 ccs. of solution whether it's a diagnostic and/or a therapeutic injection.

The percent pain reduction sought after a diagnostic sacroiliac joint pain injection under fluoroscopy is performed is greater than or equal to a 75% pain reduction when comparing pre-procedure and post-procedure visual analog pain scores within 15 to 30 minutes.

The provocative maneuvers or simple functional activities like sitting, standing and walking are typical measures used to ascertain pain reduction. Furthermore, patients take home a pain diary log where they record their pain intensity scores every two hours for up to 24 hours.

After a therapeutic sacroiliac joint injection is performed a pelvic strengthening and stabilization program is typically the next step in the treatment plan. This program typically lasts for as long as six to eight weeks.

When patients are unresponsive to therapeutic sacroiliac joint injections in conjunction with physical rehabilitation treatment then the next step in the treatment plan would be to consider a minimally invasive SI joint fusion.


Dr. Patel is a paid consultant of SI-BONE Inc.

The iFuse Implant System is intended for sacroiliac fusion for conditions including sacroiliac joint dysfunction that is a direct result of sacroiliac joint disruption and degenerative sacroiliitis. This includes conditions whose symptoms began during pregnancy or in the peripartum period and have persisted postpartum for more than 6 months. There are potential risks associated with the iFuse Implant System. It may not be appropriate for all patients and all patients may not benefit. For information about the risks, visit: www.si-bone.com/risks

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