Tag: Lumbar Vertebrae

Minimum 25-year outcome and functional assessment of lumbar discectomy.

Posted: July 12, 2016 at 1:59 pm   /   Degenerative

This paper is a retrospective review on 348 consecutive patients who had lumbar discectomy surgery between 1973 and 1979 by the orthopedic department of Federico II Hospital in Naples, Italy.   Seven different surgeons participated in the surgical treatments.   Two Hundred One (201)  patients agreed to participate in follow-up,  either by mail or by an in […]

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Percutaneous lumbar laser disc decompression: an update of current evidence.

Posted: April 14, 2016 at 11:21 am

This systematic review by Singh et al (2013) provides an up to date review of the effectiveness of percutaneous lumbar laser discectomy. The acceptance of minimally invasive spine surgery continues to grow from both a demand by patients and amongst surgeons. The goals of having smaller incisions, limiting soft tissue trauma, shorter operating times and […]

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ISSLS Prize winner: The anatomy of failure in lumbar disc herniation: an in vivo, multimodal, prospective study of 181 subjects.

Posted: February 19, 2016 at 12:05 pm   /   Degenerative

Conventional wisdom states that the mode of failure and cause of disc herniation is secondary to a rupture of nucleus material through the annulus fibrosis. In this paper, the senior author prospectively defined the nature of intraoperatively identified disc herniations in 181 consecutive patients qualified for inclusion. Inclusion criteria included requiring a single level lumbar […]

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The natural history of spondylolysis and spondylolisthesis.

Posted: December 5, 2015 at 8:27 am   /   Developmental

This is a classic Spine Study looking at the natural history of spondylolysis and spondylolisthesis in a population of 500 first grade students in a small community bordering New York and Pennsylvania. The initial enrollment period was 1954 to 1957.  The inclusion criteria was that the first grader had parental permission and attended one of […]

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1997 Volvo Award winner in clinical studies. Degenerative lumbar spondylolisthesis with spinal stenosis: a prospective, randomized study comparing decompressive laminectomy and arthrodesis with and without spinal instrumentation.

Posted: December 5, 2015 at 8:23 am   /   Degenerative

This prominent historical study by Fischgrund et al published in 1997, was a well-controlled randomized trial looking at both clinical and radiographic outcomes of lumbar laminectomy with arthrodesis surgery in patients with degenerative spondylolisthesis and spinal stenosis. Patients in this study (N=68) were randomly assigned to two treatment groups; Lumbar laminectomy with posterolateral intertransverse process […]

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Surgery for lumbar spinal stenosis. Attempted meta-analysis of the literature.

Posted: December 5, 2015 at 8:20 am   /   Degenerative, General Spine

This paper published by Turner et al in 1992 represented an attempted meta-analysis  of the literature covering a 24 year period (1996-1990).  Based on the methods described by the authors, 74 studies met the inclusion criteria. One of the major issues in trying to include or exclude studies was a lack of a standardized outcome […]

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2001 Volvo Award Winner in Clinical Studies: Lumbar fusion versus nonsurgical treatment for chronic low back pain: a multicenter randomized controlled trial from the Swedish Lumbar Spine Study Group.

Posted: December 5, 2015 at 8:09 am   /   Degenerative

This multicenter, randomized control trial out of Sweden was the 2001 Volvo Award Winner in Clinical Studies.   Fritzell et al randomized 294 patients into a surgical treatment group (n=222) versus a non-surgical group (N=72).  Patients were randomly assigned treatment and multiple validated outcome measures were utilized.  The overall goal of the study was to define “if lumbar fusion […]

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Accelerated degeneration of the segment adjacent to a lumbar fusion.

Posted: December 5, 2015 at 7:52 am   /   Degenerative

The study published by Lee in 1988 was intended to descriptively define conditions and pathomechanics at adjacent segments following a lumbar fusion.  This was at a time period where the effectiveness of lumbar fusion for low back pain was one of the foremost questions to be answered and potential complications of the procedure were largely […]

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Degenerative lumbar spondylolisthesis with spinal stenosis. A prospective study comparing decompression with decompression and intertransverse process arthrodesis.

Posted: December 5, 2015 at 7:49 am   /   Degenerative

This study published by the late Dr. Harry Herkowitz, from William Beaumont Hospital in 1991, is one of the most influential papers of its time. His contributions to the field of degenerative spinal surgery continue to influence current research and treatment of many spinal disorders. This paper in particular, has been referenced over 800 times […]

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A prospective, randomized study of lumbar fusion. Preliminary results.

Posted: December 2, 2015 at 3:20 pm   /   Degenerative

This  randomized study published in 1993 was one of the first to compare instrumentation to no instrumentation using the prospective approach.  One hundred and twenty four patients were included in this study who underwent surgery for a degenerative lumbar condition that included isthmic and degenerative spondylolisthesis, degenerative disc disease, scoliosis with spinal stenosis and repair […]

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