Journal of neurosurgery. Spine
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Atlantooccipital dislocation (AOD) is a rare and often fatal injury. In cases of survival, residual deficits are severe and often include cranial nerve palsy, quadriplegia, or respiratory issues. Occipitalization is defined as partial or complete congenital fusion of the occiput to the atlas and is exceptionally rare. ⋯ Internal fixation and fusion led to good fusion postoperatively. Occipitalization probably led to abnormal joint mechanics at the C1-occiput junction, which might have altered the amount of force required to fracture the occipitalization and produce AOD. This difference may partially account for the favorable neurological outcome in the featured patient compared with traditional cases of AOD.
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Incidental durotomy (dural tear) is a common complication of lumbar spine surgery. The purpose of this study was to clarify the anatomical location of and the specific causative factors for incidental durotomy during primary lumbar spine surgery. ⋯ Risk factors for unintended durotomy were female sex, older age, degenerative spondylolisthesis, and juxtafacet cysts. In this study, the authors identified 4 high-risk anatomical zones that spine surgeons should be aware of to avoid dural tears.
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Case Reports
Craniocervical arachnoid cyst in a patient with Klippel-Feil syndrome: a unique case: case report.
Klippel-Feil syndrome, or brevicollis, is a complex congenital disorder caused by the improper segmentation of the cervical vertebrae. The authors present the very rare case of a patient with Klippel-Feil syndrome who presented with an intradural arachnoid cyst at the craniocervical junction. They also examine possible factors contributing to this association. A 46-year-old woman presented with complaints of progressively worsening headaches and dizziness of 18 months' duration. ⋯ Postoperatively, the patient has remained symptom free for more than 2 years with evidence of good radiological decompression. The authors report a unique association between craniocervical arachnoid cyst and Klippel-Feil syndrome. To their knowledge, no other cases of this association have been reported in the literature. Arachnoid cysts should be part of the differential diagnosis in the presence of worsening myelopathic symptoms or pain in patients with Klippel-Feil syndrome.
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The goal of this study was to compare the urological complications in patients after anterior lumbar interbody fusion (ALIF) with and without the use of recombinant human bone morphogenetic protein-2 (rhBMP-2). ⋯ In this study, the use of rhBMP-2 with ALIF surgery was not associated with an increased incidence of urological complications and retrograde ejaculation when compared with control ALIF without rhBMP-2. Further prospective analyses that specifically look at these complications are warranted.
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Biography Historical Article
The lasting legacy of Paul Randall Harrington to pediatric spine surgery: historical vignette.
Spinal arthrodesis was the first successful treatment for scoliosis, performed by Dr. Russell A. Hibbs in 1911 and later by Dr. ⋯ Harrington's achievement influenced the technology and art of spine surgery for his contemporaries and the coming generations of spine surgeons. The purpose of this article is to review the life of Dr. Harrington, and how he has arguably come to be known as "Father of the Modern Treatment of Scoliosis."