New Publication Supports Clinical Effectiveness of Centinel Spine’s Stand-Alone STALIF M Integrated Interbody Portfolio

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WEST CHESTER, PA — Centinel Spine®, LLC announced the recent publication of a peer-reviewed study of its STALIF® M portfolio of products in the International Journal of Spine Surgery, titled: “Evaluation of Anterior Lumbar Interbody Fusion Performed Using a Stand-Alone, Integrated Fusion Cage.” 1 The retrospective study, conducted by the Texas Back Institute (TBI), Plano, Texas, supports utilizing STALIF M portfolio implants as a stand-alone device that produces good outcomes in patients treated for symptomatic disc degeneration while avoiding the use of posterior fixation and its complication risk and cost.

“The STALIF M-Ti titanium-coated PEEK cage with integrated screws provides a stable construct, encouraging rapid fusion incorporation. The results of this study further support what I’ve seen clinically for many years, which is good outcomes from stand-alone ALIF for treating painful disc degeneration resistant to non-operative care,” commented Scott L. Blumenthal, MD, TBI.

The STALIF M portfolio of stand-alone integrated cage-screw implants were utilized in a consecutive series of 58 patients with a mean follow-up time of 30.6 months (minimum 24-month follow-up). All available patients’ reported outcome scores demonstrated significant improvement (p<0.01 for all), including Oswestry Disability Index (ODI), visual analogue scale (VAS) back pain, and VAS leg pain. The results of this study corroborate that stand-alone ALIF is a viable procedure for the treatment of symptomatic disc degeneration in patients who have failed nonoperative care and who do not have specific indications for supplemental posterior instrumentation.

“This study is significant because it supports the use of standalone ALIF as a valid treatment option that leads to good clinical outcomes for select patients undergoing spinal fusion,” said Jessica Shellock, MD, TBI. “Standalone ALIF is a very reasonable alternative to consider for patients that don’t require an additional posterior surgery due to instability or severe neural compression and avoids the risks and cost associated with posterior instrumentation.”

The STALIF M implant technology has been engineered based on the STALIF technology platform, which has a proven clinical history of over 30 years and over 75,000 devices implanted2.

“It has a long track record as an anatomic integrated ALIF implant that can be used as a stand-alone device. I like that the STALIF M-Ti has an advanced titanium coating with a modulus of elasticity similar to bone, which minimizes subsidence. I have been extremely happy with its performance,” said Richard D. Guyer, MD, TBI.

“The STALIF M has been my ‘go-to’ standalone ALIF implant-of-choice for many years,” commented Jack Zigler, MD, TBI. “It has a good range of sizes and lordotic angles, and has been consistently hassle-free in using the variable-angle screwdriver and self-tapping screws. After a tough decompression and mobilization, it’s great to know that the implantation itself will be straightforward and will not introduce new problems at the end of the case,” he concluded.

1 Richard D. Guyer, Jack E. ZiglerScott L. BlumenthalJessica L. Shellock and Donna D. Ohnmeiss. Evaluation of Anterior Lumbar Interbody Fusion Performed Using a Stand-Alone, Integrated Fusion Cage. International Journal of Spine Surgery (Aug. 8, 2022).
2 Data on file

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