alexa Short-Segment Fixation for Osteoporotic Vertebral Fracture: Reinforcing Pedicle Screws with Universal Clamps | OMICS International
ISSN: 2329-9509

Journal of Osteoporosis and Physical Activity
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Research Article

Short-Segment Fixation for Osteoporotic Vertebral Fracture: Reinforcing Pedicle Screws with Universal Clamps

Peng-Yuan Chang1,2#, Wen-Cheng Huang1,2#, Jau-Ching Wu1,2*, Tsung-Hsi Tu1,2, Li-Yu Fay1,2,3 and Henrich Cheng1,2,3
1Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, Taiwan
2School of Medicine, National Yang-Ming University, Taiwan
3Institute of Pharmacology, National Yang-Ming University, Taiwan
#Peng-Yuan Chang and Wen-Cheng Huang contributed equally to this paper
Corresponding Author : Jau-Ching Wu
Department of Neurosurgery
Neurological Institute, Taipei Veterans General Hospital, Taiwan
Tel: +886-2-28757718
Fax: +886-2-28757702
E-mail: [email protected]
Received: April 20, 2015; Accepted: June 10, 2015; Published: June 17, 2015
Citation: Chang PY, Huang WC, Wu JC, Tu TH, Fay LY, et al. (2015) Short-Segment Fixation for Osteoporotic Vertebral Fracture: Reinforcing Pedicle Screws with Universal Clamps. J Osteopor Phys Act 3:148. doi:10.4172/2329-9509.1000148
Copyright: © 2015 Chang PY, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Study background: To describe a novel technique, using the Universal Clamp (Zimmer Spine, Bordeaux France), for short-segment fixation in patients with severe osteoporosis and vertebral body fracture. Methods: Consecutive patients with one-level osteoporotic vertebral fracture (OVF) that underwent short-segment (one-level above and one-level below) fusion surgery were retrospectively reviewed. Both radiographic and clinical evaluations were analyzed, and compared pre- and post-operation. Step-wise surgical techniques are described in detail. Results: Five patients, including one male and four females, who had one level of OVF in the thoraco-lumbar spine were enrolled. The mean age was 67.6 ± 4.1 years, and the average preoperative T-score was -2.2 ± 1.5. The average follow-up was 10.6 months. Post-operatively, all patients had significant clinical improvement after the operation. Also, the mean Cobb’s angle (6.2 ± 4.3 degrees) was significantly improved compared to pre-operation (13.6 ± 8.1, p= 0.039). Furthermore, there were no complications, implant failures (i.e. screw loosening, pullout, breakage, or dislodgement), or loss of deformity correction. Conclusion: Using the Universal Clamp to reinforce the short-segment pedicle screw fixation is a viable alternative for patients with osteoporosis and vertebral fracture. Successful restoration of spinal alignment and symptoms relief can be achieved. However, more long-term evaluations and a larger number of patients are required to corroborate this option.

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