Posterior SI joint fusion is evidence-based medicine.

Multi-author consensus review specific to the LINQ posterior intra-articular allograft procedure, covering patient selection, procedural technique, and postoperative management.

258 patients across six U.S. sites, mean follow-up 91.2 weeks. NRS 7.61 to 1.60. No serious adverse events, transfusions, or overnight hospitalizations.

208 patients, single center, mean follow-up 18 months. NRS 7.23 to 1.16. Pre-operative CT mapping reduced fluoroscopy time to a mean of 1.3 minutes and shortened procedure duration.

Prospective observational study using validated, quantitative gait analysis. Statistically significant and durable improvement in objectively measured gait parameters after the procedure. The first peer-reviewed objective functional outcome for the posterior approach.

Retrospective clinical outcomes analysis of posterior intra-articular allograft placement. Significant reduction in pain scores from baseline through follow-up with a safety profile consistent with the broader real-world evidence base.

159 enrolled, 117 at 12 months. VAS 76.2 to 32.4; ODI 55.9 to 33.9; 73.5% composite responders; zero procedure-related serious adverse events; zero overnight stays.

Single-center retrospective study of posterior intra-articular allograft outcomes, adding a further real-world data point on durability and safety.

Six cadaveric SI joints compared against published lateral trans-articular data in the same model. Unilateral posterior fixation reduced motion 45% in flexion-extension, 47% in lateral bending, and 33% in axial rotation (lateral: 34%, 8%, 6%), stabilizing both primary and secondary joints.

Interim analysis of the SECURE cohort. VAS and ODI both improved significantly from baseline through six months with zero serious adverse events, supporting the 12-month primary analysis.

Multicenter case series of posterior intra-articular allograft placement after prior lateral trans-articular fusion. Pain relief and functional improvement were achieved without disturbing the prior hardware, with a diagnostic framework for identifying candidates.

Consensus review covering activity progression, weight-bearing, physical therapy initiation, imaging, and follow-up cadence. The post-procedure protocol used across most published PainTEQ real-world cohorts.

Six cadaveric specimens. Unilateral and bilateral fixation significantly reduced range of motion in flexion-extension (34%, 39%), lateral bending (51%, 51%), and axial rotation (32%, 40%), and shifted the center of the instantaneous axis of rotation toward the implant site.

Multicenter retrospective analysis with long-term follow-up. Statistically significant reduction in NRS pain scores from baseline to last follow-up and no significant device-related adverse events, establishing early durability evidence for the posterior approach.

Multicenter case series of patients with prior spinal cord stimulation, peripheral nerve stimulation, intrathecal pumps, or other implanted therapies. Significant additional pain reduction without interference with existing devices.

Best-practice review of the diagnostic workup: history, physical exam, the five provocative maneuvers (Compression, Thigh Thrust, Gaenslen's, Distraction, FABER), and diagnostic block. Codified three or more positive provocative tests plus a positive intra-articular block as the threshold for candidacy.

Proposed diagnostic-to-treatment algorithm spanning conservative care through interventional and surgical options, referencing composite provocative testing and diagnostic block confirmation and positioning the posterior intra-articular approach within the treatment sequence.