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J Neurol Surg A Cent Eur Neurosurg 2019; 80(01): 003-007
DOI: 10.1055/s-0038-1641180
Original Article
Georg Thieme Verlag KG Stuttgart · New York

Long-term Results for the BacJac Interspinous Device in Lumbar Spine Degenerative Disease

Aldo Spallone
1   Department of Clinical Neurosciences, Section of Neurosurgery, Neurological Centre of Latium-Neuromed, Rome, Italy
2   Department of Biomedicine, University of Rome “Tor Vergata”, Rome, Italy
,
Luigi Lavorato
3   Department of Neurosurgery, Sapienza University, Rome, Italy
,
Daniele Belvisi
4   NEUROMED, IRCCS Neuromed Institute, Pozzilli, Italy
› Author Affiliations
Further Information

Publication History

03 March 2016

19 January 2018

Publication Date:
14 May 2018 (online)

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Abstract

Objective To evaluate the long-term results of using the BacJac interspinous device (Pioneer Surgical Technology Inc.) in a series of patients with degenerative lumbar spine disease.

Methods Forty-one patients undergoing lumbar surgery with implantation of a BacJac device from 2009 to 2012 were enrolled in the present study. Patients were evaluated using the Oswestry Disability Scale (ODI).

Results Although all patients showed a significant improvement of the ODI score immediately after surgery, only 41% of patients showed a satisfactory outcome. We observed worse results in the patients operated on at the L3–L4 level and in whom the device was implanted in a segment different from the one where surgical decompression had been performed. Weight gain in the months after surgery was also a poor outcome-influencing factor.

Conclusions This study confirms what is already suggested in the relevant literature regarding the long-term inefficacy of the so-called dynamic stabilization devices.

Keywords

lumbar instability - lumbar stenosis - lumbar surgery
 

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