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Late neurological complications of Harrington-rod instrumentation
DD Hales; EG Dawson; R Delamarter
J Bone Joint Surg Am, 1989 Aug 01;71(7):1053-1057
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Abstract

From our patients who had idiopathic scoliosis, we identified a subset of eighteen in whom Harrington rods were used for fixation down to the fifth lumbar vertebra. In five of these patients, low-back pain, sciatica, and other neurological problems developed at two to thirty-two months after arthrodesis. These complications were caused by migration of the caudad hook into the spinal canal. The migration was probably caused by a combination of lumbosacral lordosis and mobility of the fifth lumbar vertebra (the most caudad mobile segment) on the segment below, resulting in weakening of the lamina of the fifth lumbar vertebra. After removal of the hardware, all patients had improvement of the lumbosacral and radicular pain as well as resolution of the neurological abnormalities.

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    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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