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CardioVascular and Interventional Radiology

, Volume 36, Issue 3, pp 738–747 | Cite as

Lumbar Spinal Stenosis Minimally Invasive Treatment with Bilateral Transpedicular Facet Augmentation System

  • Salvatore Masala
  • Umberto Tarantino
  • Giovanni NanoEmail author
  • Riccardo Iundusi
  • Roberto Fiori
  • Valerio Da Ros
  • Giovanni Simonetti
Clinical Investigation

Abstract

Purpose

The purpose of this study was to evaluate the effectiveness of a new pedicle screw-based posterior dynamic stabilization device PDS Percudyn System™ Anchor and Stabilizer (Interventional Spine Inc., Irvine, CA) as alternative minimally invasive treatment for patients with lumbar spine stenosis.

Methods

Twenty-four consecutive patients (8 women, 16 men; mean age 61.8 yr) with lumbar spinal stenosis underwent implantation of the minimally invasive pedicle screw-based device for posterior dynamic stabilization. Inclusion criteria were lumbar stenosis without signs of instability, resistant to conservative treatment, and eligible to traditional surgical posterior decompression.

Results

Twenty patients (83 %) progressively improved during the 1-year follow-up. Four (17 %) patients did not show any improvement and opted for surgical posterior decompression. For both responder and nonresponder patients, no device-related complications were reported.

Conclusions

Minimally invasive PDS Percudyn System™ has effectively improved the clinical setting of 83 % of highly selected patients treated, delaying the need for traditional surgical therapy.

Keywords

Lumbar spine stenosis Low back pain Dynamic stabilization Transpedicular augmentation Spine articular facets 

Notes

Conflict of Interest

We declare we have no conflict of interest.

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Copyright information

© Springer Science+Business Media, LLC and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) 2012

Authors and Affiliations

  • Salvatore Masala
    • 1
  • Umberto Tarantino
    • 2
  • Giovanni Nano
    • 1
    Email author
  • Riccardo Iundusi
    • 2
  • Roberto Fiori
    • 1
  • Valerio Da Ros
    • 1
  • Giovanni Simonetti
    • 1
  1. 1.Department of Diagnostic and Molecular ImagingInterventional Radiology and Radiotherapy, University of Rome “Tor Vergata”RomeItaly
  2. 2.Department of Orthopaedics and TraumatologyUniversity of Rome “Tor Vergata”RomeItaly

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