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Basilar Invagination

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https://www.readbyqxmd.com/read/27916724/use-of-a-c1-c2-facet-spacer-to-treat-atlantoaxial-instability-and-basilar-invagination-associated-with-rheumatoid-arthritis-a-case-report
#1
Jin-Young Lee, Soo-Bin Im, Je-Hoon Jeong
No abstract text is available yet for this article.
December 1, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890751/atlantoaxial-fixation-for-basilar-invagination-without-obvious-atlantoaxial-instability-group-b-basilar-invagination-outcome-analysis-of-63-surgically-treated-cases
#2
Atul Goel, Prashant Sathe, Abhidha Shah
BACKGROUND: The authors discuss the rationale of surgical treatment of Group B basilar invagination by atlantoaxial facet joint stabilization and segmental arthrodesis. MATERIAL: During the period January 2010 to April 2016, 63 patients having Group B basilar invagination were surgically treated. All patients had varying degree of myelopathy related functional disability. Fifty-two patients had both Chiari malformation and syringomyelia. All patients were treated by atlantoaxial plate and screw fixation with the techniques described by us in 1994 and 2004...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27879507/pedicle-screw-combined-with-lateral-mass-screw-fixation-in-the-treatment-of-basilar-invagination-and-congenital-c2-c3-fusion
#3
Shenglin Wang, Chao Wang, Huijie Leng, Weidong Zhao, Ming Yan, Haitao Zhou
STUDY DESIGN: Clinical evaluation of a surgical fixation technique featuring combined use of pedicle screw and lateral mass screw (LMS). OBJECTIVE: Introduction of a novel technique for the treatment of congenital C2-C3 fusion and basilar invagination (BI). SUMMARY OF BACKGROUND: Posterior occipitocervical fixation using C2 pedicle screw was widely used for BI. However, in cases where BI is concurrent with congenital C2-C3 fusion, the C2 pedicles tend to be thinner than that in normal population and hence more likely to fail...
December 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27869624/surgical-outcome-and-prognostic-analysis-of-transoral-atlantoaxial-reduction-plate-system-for-basilar-invagination-a-voxel-based-morphometry-study
#4
Gejin Wei, Chenglong Shi, Zhiyun Wang, Hong Xia, Qingshui Yin, Zenghui Wu
BACKGROUND: The use of a transoral atlantoaxial reduction plate (TARP) system is an effective surgical approach for the treatment of basilar invagination. With the aim of improving the therapeutic efficacy of the TARP operation, we conducted a voxel-based morphometric study to quantitatively investigate the descent of the odontoid process and craniocervical volume changes. METHODS: We enrolled 20 patients with basilar invagination who underwent a TARP procedure...
October 19, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27858398/occipital-condyle-c1-complex-screw-for-fixation-of-basilar-invagination-patients-with-atlas-assimilation
#5
Kazim Yigitkanli, Serkan Simsek
No abstract text is available yet for this article.
October 10, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27858394/occipital-condyle-c1-complex-screw-for-fixation-of-basilar-invagination-patients-with-atlas-assimilation
#6
Serkan Simsek, Kazim Yigitkanli
No abstract text is available yet for this article.
October 2, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27792108/efficacy-of-intraoperative-neurophysiologic-monitoring-for-pediatric-cervical-spine-surgery
#7
Daniel G Tobert, Michael P Glotzbecker, M Timothy Hresko, Lawrence I Karlin, Mark R Proctor, John B Emans, Patricia E Miller, Daniel J Hedequist
STUDY DESIGN: Clinical case series OBJECTIVE.: To investigate the efficacy of intraoperative neuromonitoring in pediatric cervical spine surgery SUMMARY OF BACKGROUND DATA.: Intraoperative neuromonitoring (IONM) consisting of somatosensory evoked potentials (SSEP) and transcranial motor evoked potentials (tcMEP) has been shown to effectively prevent permaneny neurologic injury in deformity surgery. The role of IONM during pediatric cervical spine surgery is not well documented. Advances in cervical spine instrumentation have expanded the surgical options in pediatric populations...
October 25, 2016: Spine
https://www.readbyqxmd.com/read/27776367/transoral-atlantoaxial-release-and-posterior-reduction-by-occipitocervical-plate-fixation-for-the-treatment-of-basilar-invagination-with-irreducible-atlantoaxial-dislocation
#8
Qingde Wang, Kezheng Mao, Chunli Wang, Wei Mei
Background Prior studies have mainly assessed transoral odontoidectomy for basilar invagination with irreducible atlantoaxial dislocation. However, studies evaluating transoral release and posterior reduction with occipitocervical fixation in this setting are scarce. Methods From 2008 to 2013, 11 patients (6 men and 5 women; 23-67 years of age) with basilar invagination and irreducible atlantoaxial dislocation underwent surgery. They presented signs and symptoms of myelopathy or significant spinal cord injury, and were treated by transoral soft tissue release without odontoidectomy, under skull traction with heavy weight and by posterior reduction with occipitocervical plate fixation...
October 24, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/27771479/surgical-management-for-destructive-atlantoaxial-spondyloarthropathy-in-long-term-hemodialysis-patients
#9
Je Hoon Jeong, Hee Kyung Kim, Soo Bin Im
BACKGROUND: Atlantoaxial spondyloarthropathy is most often resulted from rheumatoid arthritis, cancer metastasis and basilar invagination. Dialysis-related spondyloarthropathy is a rare cause of spinal deformity and cervical myelopathy at the atlantoaxial joint. We report two long-term hemodialysis patients who presented with atlantoaxial spondyloarthropathy. CASE DESCRIPTION: Two patients with end-stage renal failure (ESRD) presented with history of progressively worsening neck pain and motion limitation, and gait disturbance...
October 19, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27554349/the-changes-of-syrinx-volume-after-posterior-reduction-and-fixation-of-basilar-invagination-and-atlantoaxial-dislocation-with-syringomyelia
#10
Zuowei Wang, Xingwen Wang, Fengzeng Jian, Can Zhang, Hao Wu, Zan Chen
PURPOSE: The purpose of this study focuses on the changes of the syrinx volume after posterior reduction and fixation of the basilar invagination (BI) and atlantoaxial dislocation (AAD) with syringomyelia. METHODS: We retrospectively analyzed the clinical outcome and syrinx volume changes in 71 patients with BI, AAD and syringomyelia treated with the posterior reduction and fixation technique. RESULTS: Clinical improvement was observed in 64 (90...
August 23, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27544334/radiological-evaluation-of-basilar-invagination-without-obvious-atlantoaxial-instability-group-b-basilar-invagination-an-analysis-based-on-a-study-of-75-patients
#11
Atul Goel, Trimurti Nadkarni, Abhidha Shah, Prashant Sathe, Manoj Patil
BACKGROUND: We evaluated the radiological features of 75 patients having Group B basilar invagination, meaning thereby that there was no evidence of atlantoaxial instability when measured by conventional parameter of abnormal increase in the atlantodental interval. OBJECTIVE: The variability and possible significance of presence of CSF within and outside the confines of neural tissues were specially studied. MATERIAL AND METHODS: During the period January 2008 to May 2015, we encountered 75 cases having Group B basilar invagination...
August 17, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27400111/surgical-management-of-adult-reducible-atlantoaxial-dislocation-basilar-invagination-and-chiari-malformation-with-syringomyelia
#12
Gong Shuhui, Liu Jiagang, Chen Haifeng, Zhao Bo Hao, Huang Si Qing
AIM: To analyze retrospectively the surgical management of reducible atlantoaxial dislocation (AAD), basilar invagination (BI) and Chiari malformation (CHM) with syringomyelia through a single-stage posterior approach. MATERIAL AND METHODS: Forty-three patients with reducible AAD, BI and CHM with syringomyelia underwent surgery from January 2009 to January 2013. Intraoperative restoration followed by posterior decompression and plate-rod placement with occipital cortical screws and C2/C3 lateral mass cortical screws fixation devices were used in all patients...
2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27399450/171%C3%A2-resurgery-in-craniovertebral-junction-abnormalities
#13
Pavaman Pandit Sindgikar, Kuntal Kanti Das, Awadesh K Jaiswal, Rabi Narayan Sahu, Arun K Srivastava, Anant Mehrotra, Jayesh Chunilal Sardhara, Kamlesh Singh Bhaisora, Sanjay Behari
INTRODUCTION: Surgery for craniovertebral junction (CVJ) abnormalities like atlantoaxial dislocation (AAD) with or without basilar invagination (BI) and/or with or without associated Arnold-Chiari malformation (ACM) cause high cervical myelopathy. Occasionally, mechanical factors such as inadequate canal decompression, torticollis, and/or scoliosis may lead to lack of improvement following the primary surgery. Also, implant-related factors requiring its revision/removal or surgical site infections may cause patient to undergo resurgery...
August 2016: Neurosurgery
https://www.readbyqxmd.com/read/27344347/basilar-invagination-basilar-impression-and-platybasia-clinical-and-imaging-aspects
#14
REVIEW
Nandor K Pinter, Jennifer McVige, Laszlo Mechtler
The congenital and acquired deformities of the craniovertebral junction (CVJ), such as basilar invagination, basilar impression, or platybasia, can present in the form of slowly progressive or acute neurologic deterioration. In many cases, an insidious headache is the only symptom and can be a diagnostic challenge for the neurologist. Proper imaging studies as well as recognizing often associated neurologic or systemic conditions are required for early diagnosis and effective therapy. In the current report, the primary focus will be on clinical aspects of these CVJ abnormalities; the pathologic and radiologic aspects, such as developmental and pathophysiologic background or radiographic analysis, will be discussed briefly, confined to clinically relevant data...
August 2016: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/27340520/c2-3-fusion-c3-4-cord-compression-and-c1-2-posterior-facetal-instability-an-evaluation-of-treatment-strategy-based-on-four-surgically-treated-cases
#15
Atul Goel
STUDY DESIGN: Four patients had C2-3 vertebral fusion and radiologically demonstrated cord compression at C3-4 level related to disc bulge with or without association of osteophytes and C1-2 posterior facetal dislocation. The outcome of treatment by atlantoaxial and subaxial facetal fixation is discussed. PURPOSE: The article evaluates the significance of atlantoaxial facetal instability in cases having C2-3 vertebral fusion and cord compression at the level of C3-4 disc...
June 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27315954/anterior-facetal-realignment-and-distraction-for-atlanto-axial-subluxation-with-basilar-invagination-%C3%A2-a-technical-note
#16
Sushil Patkar
Unilateral anterior retropharyngeal approach was used in a case of basilar invagination with atlanto-axial instability. This approach provided easy access to both atlanto-axial joints. Wedge-shaped titanium cages were used to distract the joints and reduce the basilar invagination. Titanium plates with screws were used to fix the lateral mass of atlas with the body of axis, bilaterally. The anterior atlanto-axial joint distraction procedure has not been described in literature before seems to be an easy option in selected cases of craniovertebral anomalies and needs to be investigated by more surgeons...
August 2016: Neurological Research
https://www.readbyqxmd.com/read/27293120/selection-of-surgical-procedures-for-basilar-invagination-with-atlantoaxial-dislocation
#17
Yi Liao, Lati Pu, Hailong Guo, Erdan Mai, Weidong Liang, Qiang Deng, Tao Xu, Jun Sheng, Weibin Sheng
BACKGROUND CONTEXT: BI is a malformation of craniovertebral junction (CVJ). However, surgical procedures on basilar invagination (BI) with atlantoaxial dislocation (AAD) remain controversial. PURPOSE: This research aimed to investigate the selection of surgical procedures and its significance in the surgical treatment for patients with BI and AAD. STUDY DESIGN: This was a retrospective study. PATIENT SAMPLE: This study enrolled thirty-three patients who were diagnosed with BI and AAD and were followed up for at least six months...
June 9, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27177855/clivus-height-value-a-new-diagnostic-method-for-basilar-invagination-at-ct
#18
S Xu, R Gong
AIM: To investigate whether clivus height (CH; the distance of the basion above Chamberlain's line) could be used to diagnose basilar invagination (BI) at computed tomography (CT). MATERIALS AND METHODS: This retrospective study received institutional review board approval, and was performed from 1 January 2013, to 1 July 2015 with a waiver of informed consent. CH was measured on mid-sagittal reconstructed CT images from 65 BI patients and 85 control subjects to compare the two groups by using the independent-samples t-test...
November 2016: Clinical Radiology
https://www.readbyqxmd.com/read/27165456/-a-woman-with-speech-and-swallowing-disorder
#19
Francien A de Leeuw, Dominique C de Lange, Cathelijne W Y Appels
A 78-year-old woman with a history of rheumatoid arthritis has been developing progressive speech and swallowing problems since 3 weeks. A CT scan of her head and neck showed a subluxation of the dens, which caused basilar invagination. This severe complication of rheumatoid arthritis is rare. Dynamic imaging and neurologic survey are recommended in patients with rheumatoid arthritis.
2016: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/27137997/three-dimensional-computed-tomography-angiographic-study-of-the-vertebral-artery-in-patients-with-congenital-craniovertebral-junction-anomalies
#20
Laxminadh Sivaraju, Sunithi Mani, Krishna Prabhu, Roy Thomas Daniel, Ari George Chacko
PURPOSE: To describe vertebral artery (VA) course at the C0-C1-C2 complex in patients with congenital bony craniovertebral junction (CVJ) anomalies. METHODS: We studied the course of 169 VAs in 86 patients with congenital bony CVJ anomalies [basilar invagination (42), os odontoideum (33), and irreducible atlantoaxial dislocation (11)]. Occipitalized atlas occurred in 41 patients (30 complete and 11 partial). Using axial, coronal and sagittal three-dimensional computed tomography (3D-CT) angiograms, we traced the VA bilaterally at the CVJ and correlated the course to the presence or absence of occipitalization of the atlas...
May 2, 2016: European Spine Journal
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