Late posterior hip instability after lumbar spinopelvic fusion

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Late posterior hip instability after lumbar spinopelvic fusion

The kinematic relationship between the hip and the axial skeleton is dynamic and can be variable based on individual anatomy. It has been shown [1] that pelvic incidence (sacral slope + pelvic tilt) can be used as a proxy to determine the ability of the pelvis to accommodate changes in sagittal balance. Individuals have varied pelvic incidence and thus may adapt differently degenerative and/or ...

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Seventy-two posterior psoas transfer operations performed in forty-four children with lumbar myelomeningocele were reviewed one to eight years after operation in an attempt to assess its value. Muscle charting, an objective recording of the child's walking ability, and radiographic examination of the hips were done. Hip stability was improved: 49 per cent were stable at the time of psoas transf...

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Adjacent instability after instrumented lumbar fusion.

The invention of pedicle screw instrumentation has greatly improved outcomes of spinal fusion, which has become the treatment of choice for lumbar spondylolisthesis. As researchers accumulate experience, both theoretical and clinical advances are continually being reported. A review of the literature and the experience of the authors show that the development of adjacent instability, as in the ...

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Postoperative Flat Back: Contribution of Posterior Accessed Lumbar Interbody Fusion and Spinopelvic Parameters

OBJECTIVE Posterior accessed lumbar interbody fusion (PALIF) has a clear objective to restore disc height and spinal alignment but surgeons may occasionally face the converse situation and lose lumbar lordosis. We analyzed retrospective data for factors contributing to a postoperative flat back. METHODS A total of 105 patients who underwent PALIF for spondylolisthesis and stenosis were enroll...

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Posterior Lumbar Interbody Fusion

Posterior lumbar interbody fusion (PLIF) is a procedure used to treat problems such as disc degeneration, disc herniation, and spine instability. In this procedure, the surgeon works on the spine from the back and removes a spinal disc in the lower (lumbar) spine. The surgeon inserts bone graft material into the space between the two vertebrae where the disc was removed (the interbody space). T...

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ژورنال

عنوان ژورنال: Arthroplasty Today

سال: 2015

ISSN: 2352-3441

DOI: 10.1016/j.artd.2015.05.002