A Retrospective Study on Patient-Specific Predictors for Non-Response to Sacroiliac Joint Injections

Rahul S. Chandrupatla (), Bahar Shahidi, Kelly Bruno and Jeffrey L. Chen
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Rahul S. Chandrupatla: School of Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
Bahar Shahidi: Department of Orthopaedic Surgery, University of California San Diego, 9500 Gilman Drive (MC0863), La Jolla, San Diego, CA 92093, USA
Kelly Bruno: Department of Anesthesiology, Division of Pain Medicine, University of California San Diego, 9300 Campus Point Drive (MC 7651), La Jolla, CA 92037, USA
Jeffrey L. Chen: Department of Anesthesiology, Division of Pain Medicine, University of California San Diego, 9300 Campus Point Drive (MC 7651), La Jolla, CA 92037, USA

IJERPH, 2022, vol. 19, issue 23, 1-9

Abstract: Intra-articular or peri-articular corticosteroid injections are often used for treatment of sacroiliac joint (SIJ) pain. However, response to these injections is variable and many patients require multiple injections for sustained benefit. In this study, we aim to identify patient-specific predictors of response or non-response to SIJ injections. Identification of these predictors would allow providers to better determine what treatment would be appropriate for a patient with SIJ pain. A retrospective review of 100 consecutive patient charts spanning a 2-year period at an academic multi-specialty pain center was conducted and a multivariate regression analysis was used to identify patient-specific predictors of response to SIJ injections. Our analysis identified that a history of depression and anxiety (OR: 0.233, 95%CI: 0.057–0.954) and increased age (OR: 0.946, 95%CI: 0.910–0.984) significantly reduced the odds of responding to injections. We also found that the associated NPRS score change for SIJ injection responders was less than the minimally clinically significant value of a 2-point differential, suggesting that reported changes in pain scores may not accurately represent a patient’s perception of success after SIJ injection. These findings warrant further investigation through a prospective study and can potentially influence clinical decision making and prognosis for patients receiving SIJ injections.

Keywords: sacroiliac joint; low back pain; corticosteroid; chronic pain (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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