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Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_III | Pages 383 - 384
1 Jul 2010
Hadgaonkar S Kasis A Reddy G Bhatia C Hernandez M Krishna M Friesem T
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Purpose: To assess the outcomes in consecutive 32 patients of two level cervical disc replacement

Methods: In this article, we report 2-year results of anterior cervical decompression and two level cervical disc replacements (prestige) in 32 patients with a diagnosis of symptomatic cervical spondylosis. Dynamic assessment with lateral radiographs of the cervical spine in flexion/extension was done pre and post op. All of them had partial uni/bilateral uncinectomy, which adds in lateral bending. The median age of all patients was 46 years (range 32–61). Levels of surgery included between seven C3–C7, most common were C5–6, C6–7.

Results: Neck and arm pain as well as disability scores (VAS, ODI and SF36) were significantly improved by 3 months and remained improved at 2 years. Radiography revealed the complete motion (From flexion to extension) at upper disc replacement level of 11% and 9.6% at the lower level. There is a significant decrease of the facet joint articulation overlap in the sagittal plane. As the diameter of socket is slightly larger than the ball in prestige disc replacement, it helps in additional axial movement. There was reduction in motion at the adjacent segments above and below, preventing adjacent segment problems.

Conclusion: Twenty-four months after surgery, patients who underwent two level cervical disc replacements demonstrated greater improvement in neurologic function and neck pain. It helps in restoring sagittal balance, functional outcome of patient because of increased lateral bending, axial rotations and flexion-extension.

Ethics approval: done from appropriate authorities

Interest Statement: There is no local grant, national grant, commercial/industry support for this article. There are no interest or gain from any source for this article.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_III | Pages 518 - 518
1 Aug 2008
Barzilay Y Bronstein Y Hernandez M Hasharoni A Kaplan L
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Introduction: Spinal deformities (scoliosis, kyphosis or kyphoscoliosis) in children under 10 years of age result from congenital, neuromuscular and idiopathic etiologies. The progression of the deformity is affected by its nature, location and age of onset. Spinal arthrodesis is the procedure of choice in patients with progressive deformities. The use of instrumentation facilitates curve correction and arthrodesis rates. Pediatric spinal surgery is technically demanding, and is still considered controversial. The advent of reduced size spinal instrumentation allowed surgeons to expand their use to pediatric patients. The use of spinal instrumentation in children with various spinal deformities has not been well documented.

Objective: To assess the safety and efficacy of spinal arthrodesis in young patients with progressive spinal deformities.

Patients and Methods: We retrospectively reviewed the medical charts and radiographs of 25 patients younger than 10 years of age who underwent corrective surgery for various spinal deformities. Radiographic outcome, fusion rates and complication were compared between instrumented and non instrumented patients.

Results: At two years of follow up instrumented corrective procedures resulted in superior correction compared to non-instrumented patients and in solid arthrodesis in all. Complications were infrequent.

Conclusions: The use of reduced size spinal instrumentation in young patients with progressive spinal deformities is safe and effective. Curve correction, length of bracing and fusion rates are all in favour of instrumentation, wile complication rates are acceptable. The use of spinal instrumentation in young patients requires expertise and patience.


Introduction Musculoskeletal injuries, especially fractures, cause reduced limb mobilization. The diminished limb activity promotes muscular atrophy, leading to a slower return to function. Attempts to prevent this atrophy using electrical stimulation have been described after knee reconstruction.

The Myospare percutaneous electrical stimulator has been developed to prevent immobilization related atrophy. We undertook this pilot study to assess feasibility, safety, and efficacy of applying electrical stimulation under a cast after ankle fractures.

Patients and Methods Between May and December 2004, patients who sustained closed ankle fractures requiring surgery, were recruited to participate in this study. 24 patients took part in the study, sixteen male and eight female. Age range was 18 to 62 years (average 40). All patients underwent open reduction and internal fixation using standard AO technique. A short walking cast was applied after surgery. Patients were randomized into a treatment and a control group. The experimental device was applied in the treatment group for 6 weeks. Patients were examined at 2, 6 and 12 weeks.

Evaluation included measurement of calf and ankle circumference, dorsiflexion and plantiflexion, and calculation of the ratio between the injured and uninjured side. At each visit pain intensity was assessed using a visual analog score, and patients filled out a function assessment questionnaire. Analysis was performed using chi square, t-test and repeated measures analysis.

Results All patients tolerated the stimulator well. No adverse effects were encountered. There is a trend toward improvement in calf diameter, dorsiflexion and plantarflexion. However, with the small number of patients in this study, no significant difference was apparent. Functional recovery and VAS scores were borderline higher in the treatment group at 12 weeks (p=0.043 and p=.049) when compared to baseline.

Discussion The use of the Myospare device under a cast in patients after surgical fixation of ankle fractures has been demonstrated as feasible and safe. In this pilot study a trend toward enhanced recovery was apparent in the treatment group.