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A Systematic Review of Interspinous Dynamic Stabilization
Seon-Heui Lee1, Aram Seol2, Tae-Young Cho3
1Department of Nursing Science, Gachon University, Incheon, Korea.
Clinics in Orthopedic Surgery
|September 3, 2015
Summary
Interspinous dynamic stabilization shows comparable safety and clinical outcomes to conventional treatments for spinal stenosis. Further research is needed to confirm its long-term efficacy and theoretical advantages.
Area of Science:
- Spinal Surgery
- Orthopedics
- Neurosurgery
Background:
- Systematic review assessing safety and efficacy of interspinous dynamic stabilization (IDS) devices.
- Includes devices like DIAM, Wallis, Coflex, and X-STOP.
- Focuses on IDS as a treatment for spinal conditions.
Purpose of the Study:
- To evaluate the safety and clinical outcomes of interspinous dynamic stabilization.
- To compare IDS with conventional treatments and decompression/fusion alone.
- To identify gaps in current research regarding long-term efficacy.
Main Methods:
- Systematic literature review of Korean and English articles.
- Searched multiple domestic and international databases (KoreaMed, Ovid Medline, Embase, Cochrane Library).
- Included 20 studies after excluding 286 articles (animal, preclinical, duplicate results). Quality assessed using SIGN.
Main Results:
- Complication rates for IDS ranged from 0% to 32.3% in studies with 3-41 month follow-ups.
- Combined IDS and decompression had higher complication rates (32.3%) than decompression alone (6.5%), but no significant impact on outcomes.
- IDS showed slightly better clinical outcomes than conservative treatments for spinal stenosis, with no significant difference compared to decompression or fusion alone.
Conclusions:
- Interspinous dynamic stabilization appears safe with no significant safety concerns identified.
- Clinical outcomes are similar to conventional techniques, with no clear additional advantage demonstrated.
- Limited data exists on long-term efficacy, necessitating further clinical studies to validate theoretical benefits.
