Sistema de neutralización dinámica en la columna lumbar. SISTEMA DYNESYS Experiencia en 94 casos

Bordes-Monmeneu, M; Bordes-García, V.; Rodrigo-Baeza, F; Sáez, D. García

doi:10.1016/s1130-1473(05)70378-x

Cited by 32 publications

(12 citation statements)

References 13 publications

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“…The results of our study correlate well with most of these, in which similar measures of the clinical outcome were used. The results reported by Schnake et al, 24 Bordes-Monmeneu et al, 2 Stoll et al, 27 and Dubois et al 6 show the significant reduction in pain and disability scores in groups of patients who have similar indications for surgery compared with those in our study. The results reported by Grob et al 12 show moderate improvement of the clinical outcome, but it was noticed in that study that less satisfactory outcomes may have been related to lack of surgical decompression in some of the patients in whom the Dynesys construct had been implanted.…”

Section: Discussionsupporting

confidence: 76%

“…Since then, a number of studies have been completed in which the clinical outcome of patients who underwent Dynesys implantation was examined. 2,6,12,19,24,27 In this report we describe the preliminary clinical results for implantation of the Dynesys spinal system in patients participating in a Food and Drug Administration IDE clinical trial. Changes in pain, function, and patient satisfaction over a 1-year follow-up period in 101 patients enrolled and randomized to be treated with the Dynesys spinal system were examined.…”

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confidence: 99%

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Clinical outcomes of the Dynesys dynamic neutralization system: 1-year preliminary results

Welch

Cheng

Awad

et al. 2007

FOC

103

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Object In this study the authors present the preliminary clinical outcomes of dynamic stabilization with the Dynesys spinal system as part of a multicenter randomized prospective Food and Drug Administration (FDA) investigational device exemption (IDE) clinical trial. Methods This study included 101 patients from six IDE sites (no participants were omitted from the analysis) who underwent dynamic stabilization of the lumbar spine with the Dynesys construct. Patient participation was based on the presence of degenerative spondylolisthesis or retrolisthesis (Grade I), lateral or central spinal stenosis, and their physician's determination that the patient required decompression and instrumented fusion for one or two contiguous spinal levels between L-1 and S-1. Participants were evaluated preoperatively, postoperatively at 3 weeks, and then at 3-, 6-, and 12-month intervals. The 100-mm visual analog scale was used to score both lower-limb and back pain. Patient functioning was evaluated using the Oswestry Disability Index (ODI), and the participants' general health was assessed using the Short Form-12 questionnaire. Overall patient satisfaction was also reported. One hundred one patients (53 women and 48 men) with a mean age of 56.3 years (range 27–79 years) were included. The mean pain and function scores improved significantly from the baseline to 12-month follow-up evaluation, as follows: leg pain improved from 80.3 to 25.5, back pain from 54 to 29.4, and ODI score from 55.6 to 26.3%. Conclusions The early clinical outcomes of treatment with Dynesys are promising, with lessening of pain and disability found at follow-up review. Dynesys may be preferable to fusion for surgical treatment of degenerative spondylolisthesis and stenosis because it decreases back and leg pain while avoiding the relatively greater tissue destruction and the morbidity of donor site problems encountered in fusion. However, long-term follow-up care is still recommended.

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Section: Discussionsupporting

confidence: 76%

mentioning

confidence: 99%

Clinical outcomes of the Dynesys dynamic neutralization system: 1-year preliminary results

Welch

Cheng

Awad

et al. 2007

FOC

103

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“…Bordes-Monmeneu et al reported good outcomes with Dynesys [13]. They reported two-year outcome in 94 patients undergoing Dynesys implantation for disc herniation, degenerative disc disease, and lumbar stenosis.…”

Section: Series With Positive Results With Dynesys Implantationmentioning

confidence: 99%

Role of Dynesys as Pedicle-Based Nonfusion Stabilization for Degenerative Disc Disorders

Anand

Baron

2012

Advances in Orthopedics

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Posterior nonfusion pedicle-screw-based stabilization remains a controversial area of spine surgery. To date, the Dynesys system remains the most widely implanted posterior nonfusion pedicle screw system. We review the history of Dynesys and discuss clinical outcome studies and biomechanical evaluations regarding the Dynesys system. Indications for surgery and controversies are discussed. Recommendations are made regarding technical implantation.

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“…4,8,18,24,46,53,58,62,67,70 This stabilization system also reportedly provides enough stability to prevent progression of low-grade spondylolistheses. 27,55,57,62 The maintenance of biomechanical mobility in the lumbar spine plays a significant role in patient quality of life, and dynamic stabilization helps to maintain this mobility.…”

Section: Discussionmentioning

confidence: 97%

Complications associated with the Dynesys dynamic stabilization system: a comprehensive review of the literature

Pham¹,

Mehta²,

Patel

et al. 2016

FOC

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The Dynesys dynamic stabilization system is an alternative to rigid instrumentation and fusion for the treatment of lumbar degenerative disease. Although many outcomes studies have shown good results, currently lacking is a comprehensive report on complications associated with this system, especially in terms of how it compares with reported complication rates of fusion. For the present study, the authors reviewed the literature to find all studies involving the Dynesys dynamic stabilization system that reported complications or adverse events. Twenty-one studies were included for a total of 1166 patients with a mean age of 55.5 years (range 39–71 years) and a mean follow-up period of 33.7 months (range 12.0–81.6 months). Analysis of these studies demonstrated a surgical-site infection rate of 4.3%, pedicle screw loosening rate of 11.7%, pedicle screw fracture rate of 1.6%, and adjacent-segment disease (ASD) rate of 7.0%. Of studies reporting revision surgeries, 11.3% of patients underwent a reoperation. Of patients who developed ASD, 40.6% underwent a reoperation for treatment. The Dynesys dynamic stabilization system appears to have a fairly similar complication-rate profile compared with published literature on lumbar fusion, and is associated with a slightly lower incidence of ASD.

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Sistema de neutralización dinámica en la columna lumbar. SISTEMA DYNESYS Experiencia en 94 casos

Cited by 32 publications

References 13 publications

Clinical outcomes of the Dynesys dynamic neutralization system: 1-year preliminary results

Clinical outcomes of the Dynesys dynamic neutralization system: 1-year preliminary results

Role of Dynesys as Pedicle-Based Nonfusion Stabilization for Degenerative Disc Disorders

Complications associated with the Dynesys dynamic stabilization system: a comprehensive review of the literature

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