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

机译：与Dynesys动态稳定系统相关的并发症：文献综述

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摘要

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.
机译：Dynesys动态稳定系统是刚性仪器和融合器的替代品，用于治疗腰椎退行性疾病。尽管许多结果研究显示出良好的结果，但目前尚缺乏有关该系统相关并发症的综合报告，尤其是在与已报道的融合并发症率进行比较方面。对于本研究，作者回顾了文献，以发现涉及Dynesys动态稳定系统的所有研究均报告了并发症或不良事件。包括21项研究，共1166例患者，平均年龄55.5岁（39-71岁），平均随访期33.7个月（12.0-81.6个月）。这些研究的分析表明，手术部位感染率为4.3％，椎弓根螺钉松动率为11.7％，椎弓根螺钉断裂率为1.6％，邻近节段疾病（ASD）率为7.0％。在报告翻修手术的研究中，有11.3％的患者接受了再次手术。在发展为自闭症的患者中，有40.6％接受了再次手术治疗。与公开发表的有关腰椎融合的文献相比，Dynesys动态稳定系统似乎具有相当相似的并发症发生率，并且其ASD发生率略低。

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