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Abstract

1. 2025;9;97-101 Sacroiliac Joint Fusion Using the Silo TFX™ Transfixing Bridge Titanium Device: Two Case Reports from the United States
   Case Report
   Angela Nguyen, BS, Macie Serio, BS, Hirni Patel, MD, Azem A. Chami, MD, Sahar Shekoohi, PhD, and Alan D. Kaye, MD, PhD.

BACKGROUND: Sacroiliac joint (SIJ) pain is a common source of chronic low back pain, accounting for 15% to 30% in patients without disc herniation or radicular pain. Multiple advances have been made in managing SIJ pain with the development of minimally invasive SIJ fusion devices. Minimally invasive SIJ fusion with a posterior approach has shown promising results in recent literature. One of the newly developed SIJ fusion devices utilizing a posterior approach is SiLO TFX™, Transfixing Bridge, a titanium device. The device uses a posterolateral approach with a single transfixing cone and ancillary ilium and sacrum screws.
The case reports presented herein are the first cases of SIJ fusion performed with SiLO TFX™ Transfixing Bridge in the United States.
CASE REPORT: Two patients with chronic bilateral sacroiliitis refractory to conservative management with greater than 75% short-term relief with sacroiliac injections, underwent SIJ fusion surgery with a novel transfixing bridge titanium device, the SiLO TFX™.
Both patients showed resolution of the SIJ pain.
Conclusion: These case reports discuss the unique aspects of the novel device, procedural steps, and early postoperative results, filling a gap in the current literature on titanium-based SIJ fusion.

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