New progress in adjacent segment degeneration/disease
نویسندگان
چکیده
منابع مشابه
Adjacent segment disease.
EDUCATIONAL OBJECTIVES As a result of reading this article, physicians should be able to: 1. Understand the forces that predispose adjacent cervical segments to degeneration. 2. Understand the challenges of radiographic evaluation in the diagnosis of cervical and lumbar adjacent segment disease. 3. Describe the changes in biomechanical forces applied to adjacent segments of lumbar vertebrae wit...
متن کاملAdjacent segment degeneration
Adjacent segment disease (ASD) is defined as degeneration that develops at mobile segments above or below a fused spinal segment and usually develops after spinal fusion or other back surgeries. Nearly 5 decades ago, the medical findings related to ASD were usually released in case reports as a relatively unusual complication of lumbar or lumbosacral fusions. Since the initial reports, ASD has ...
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BACKGROUND A primary concern after posterior lumbar spine arthrodesis is the potential for adjacent segment degeneration cephalad or caudad to the fusion segment. There is controversy regarding the subsequent degeneration of adjacent segments, and we are aware of no long-term studies that have analyzed both cephalad and caudad degeneration following posterior arthrodesis. A retrospective invest...
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t I I Study Design. For in vitro studies, there is no basis t for choosing a "load control study" over a "displace: ment control" study. This study qualitatively compared f results from in vitro and in vivo tests, allowing the au€ : thors to address the experimental assumptions that in vitro testing contributes to the understanding of the in vivo condition. Objectives. To compare motion changes...
متن کاملAdjacent Segment Pathology after Lumbar Spinal Fusion
One of the major clinical issues encountered after lumbar spinal fusion is the development of adjacent segment pathology (ASP) caused by increased mechanical stress at adjacent segments, and resulting in various radiographic changes and clinical symptoms. This condition may require surgical intervention. The incidence of ASP varies with both the definition and methodology adopted in individual ...
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ژورنال
عنوان ژورنال: Orthopaedic Surgery
سال: 2010
ISSN: 1757-7853,1757-7861
DOI: 10.1111/j.1757-7861.2010.00084.x