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Percutaneous endoscopic discectomy for far lateral lumbar disc herniations: prospective study and outcome of 66 patients.
BACKGROUND Extraforaminal disc herniations represent up to 11% of all lumbar herniated discs. Numerous surgical approaches have been described. Percutaneous endoscopic discectomy (PED) is one of theExpand
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Dynamic Lumbar Pedicle Screw-Rod Stabilization: Two-Year Follow-Up and Comparison with Fusion
Background: A lumbar pedicular dynamic stabilization system (LPDSS) is an alternative to fusion for treatment of degenerative disc disease (DDD). In this study, clinical and radiological results ofExpand
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  • Open Access
Effects of hole preparation on screw pullout resistance and insertional torque: a biomechanical study.
OBJECT The authors conducted a study to assess the effect of a pilot hole preparation on screw pullout resistance and screw insertional torque. METHODS Three different screws were tested:Expand
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Idiopathic Spinal Cord Herniation: Case Report and Review of the Literature
Abstract Background: Idiopathic spinal cord herniation (ISCH) is a rare cause of progressive myelopathy frequently present in Brown-Séquard syndrome. Preoperative diagnosis can be made with magneticExpand
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Preserving the Ligamentum Flavum in Lumbar Discectomy: A New Technique that Prevents Scar Tissue Formation in the First 6 Months Postsurgery
OBJECTIVE: Postoperative fibrosis is one of the most important causes of failed back surgery syndrome after lumbar disc surgery. Numerous natural and synthetic materials have been investigated asExpand
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The major complications of transpedicular vertebroplasty.
OBJECT Vertebroplasty is a well-known technique used to treat pain associated with vertebral compression fractures. Despite a success rate of up to 90% in different series, the procedure is oftenExpand
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  • Open Access
Clinical analysis of 21 cases of spinal cord ependymoma : positive clinical results of gross total resection.
OBJECTIVE To evaluate the clinical results of gross total resection in the surgical approach to spinal ependymoma. METHODS Between June 1995 and May 2009, 13 males and 8 females (mean age 34)Expand
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Comparison of posterior dynamic and posterior rigid transpedicular stabilization with fusion to treat degenerative spondylolisthesis.
This article describes the clinical and radiological outcomes of a comparison of posterior dynamic transpedicular stabilization and posterior rigid transpedicular stabilization with fusion afterExpand
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Determination of the biomechanical effect of an interspinous process device on implanted and adjacent lumbar spinal segments using a hybrid testing protocol: a finite-element study.
OBJECT The authors evaluated the biomechanical effects of an interspinous process (ISP) device on kinematics and load sharing at the implanted and adjacent segments. METHODS A 3D finite-element (FE)Expand
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  • Open Access
A Short History of Posterior Dynamic Stabilization
Interspinous spacers were developed to treat local deformities such as degenerative spondylolisthesis. To treat patients with chronic instability, posterior pedicle fixation and rod-based dynamicExpand
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  • Open Access