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Craniocervical

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https://www.readbyqxmd.com/read/29676682/growth-and-alignment-of-the-pediatric-subaxial-cervical-spine-following-rigid-instrumentation-and-fusion-a-multicenter-study-of-the-pediatric-craniocervical-society
#1
Hannah E Goldstein, Justin A Neira, Matei Banu, Philipp R Aldana, Bruno P Braga, Douglas L Brockmeyer, Michael L DiLuna, Daniel H Fulkerson, Todd C Hankinson, Andrew H Jea, Sean M Lew, David D Limbrick, Jonathan Martin, Joshua M Pahys, Luis F Rodriguez, Curtis J Rozzelle, Gerald F Tuite, Nicholas M Wetjen, Richard C E Anderson
OBJECTIVE The long-term effects of surgical fusion on the growing subaxial cervical spine are largely unknown. Recent cross-sectional studies have demonstrated that there is continued growth of the cervical spine through the teenage years. The purpose of this multicenter study was to determine the effects of rigid instrumentation and fusion on the growing subaxial cervical spine by investigating vertical growth, cervical alignment, cervical curvature, and adjacent-segment instability over time. METHODS A total of 15 centers participated in this multi-institutional retrospective study...
April 20, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29661647/which-ischemic-stroke-subtype-is-associated-with-hyperhomocysteinemia
#2
Levent Gungor, Murat Polat, Mehlika Berra Ozberk, Bahattin Avci, Ummet Abur
BACKGROUND: Stroke is still a major global health problem in both developed and developing countries. Defining stroke subtype and underlying etiologies is a major step to choose the best method for prophylaxis. Homocysteine is an endothelial toxin and elevated levels have been associated with stroke risk. In this study, we hypothesized that serum total homocysteine level may be related with specific atherothrombotic ischemic stroke subtypes and aimed to find if high serum homocysteine levels are correlated with any specific ischemic stroke subtype...
April 13, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29627627/postoperative-posterior-ischemic-optic-neuropathy-a-left-far-lateral-craniectomy-for-resection-of-craniocervical-meningioma
#3
Ilyas M Eli, Robert B Kim, Craig Kilburg, Travis J Pecha, William T Couldwell, Sarah T Menacho
BACKGROUND: Postoperative posterior ischemic optic neuropathy (PION) is a rare cause of postoperative vision loss, most often seen when surgical patients are placed in the prone position for a prolonged period of time. The authors report a case of bilateral PION after a far-lateral craniectomy in the lateral position. CASE DESCRIPTION: A 36-year-old man with a history of right extremity numbness, weakness, and muscle atrophy was discovered to have a craniocervical meningioma...
April 5, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29624623/motion-and-dural-sac-compression-in-the-upper-cervical-spine-during-the-application-of-a-cervical-collar-in-case-of-unstable-craniocervical-junction-a-study-in-two-new-cadaveric-trauma-models
#4
Shiyao Liao, Niko R E Schneider, Petra Hüttlin, Paul A Grützner, Frank Weilbacher, Stefan Matschke, Erik Popp, Michael Kreinest
BACKGROUND: Unstable conditions of the craniocervical junction such as atlanto-occipital dislocation (AOD) or atlanto-axial instability (AAI) are severe injuries with a high risk of tetraplegia or death. Immobilization by a cervical collar to protect the patient from secondary damage is a standard procedure in trauma patients. If the application of a cervical collar to a patient with an unstable craniocervical condition may cause segmental motion and secondary injury to the spinal cord is unknown...
2018: PloS One
https://www.readbyqxmd.com/read/29622552/clival-malformations-in-charge-syndrome
#5
E S Mahdi, M T Whitehead
BACKGROUND AND PURPOSE: CHARGE syndrome is a multisystemic congenital disorder, most commonly including coloboma, heart malformations, choanal atresia, developmental delay, and genital and ear anomalies. The diagnostic criteria for CHARGE syndrome have been refined with time. However, limited reports describe skull base and craniocervical junction abnormalities. Recently, a coronal clival cleft has been identified in association with CHARGE syndrome. The aim of our study was to assess the prevalence of clival pathology in CHARGE syndrome...
April 5, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29620550/cerebrodpinal-fluid-leakage-after-turbinate-submucosal-diathermy-an-unusual-complication
#6
Abdulaziz H Abobotain, Abdulrazaq Ajlan, Saad Alsaleh
Submucosal diathermy of the inferior turbinate (SMDIT) is a generally safe procedure to control inferior turbinate hypertrophy. We present a case of a cerebrospinal fluid (CSF) leak at the craniocervical junction after SMDIT done in another institution. A 27-year-old man presented 3 weeks after undergoing SMDIT with signs and symptoms of meningitis and postnasal rhinorrhea. Nasal endoscopy and imaging revealed a nasopharyngeal CSF fistula at the craniocervical junction. Transnasal endoscopic repair and reconstruction was performed with no recurrence on repeat imaging and clinical follow up...
March 2018: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/29618120/in-reply-intracranial-connections-of-the-vertebral-venous-plexus-anatomic-study-with-application-to-neurosurgical-and-endovascular-procedures-at-the-craniocervical-junction
#7
Aaron Cohen-Gadol
No abstract text is available yet for this article.
April 2, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29603011/post-operative-regression-of-retro-odontoid-pseudotumors-treated-with-and-without-fusion
#8
Kazuyoshi Kobayashi, Shiro Imagama, Kei Ando, Yoshihiro Nishida, Naoki Ishiguro
PURPOSE: Retro-odontoid pseudotumor is common in elderly people and is a cause of cervical myelopathy. The goal of the study was to investigate surgical procedures, outcomes, and post-operative spontaneous regression of posterior cervical retro-odontoid pseudotumors. METHODS: The subjects were 29 patients who underwent surgery for myelopathy due to a retro-odontoid pseudotumor around the craniocervical region at 9 facilities and were followed-up for an average of 54 months (range 12-96 months)...
March 30, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29594321/-rheumatoid-instability-in-the-cervical-spine-diagnostic-and-therapeutic-strategies
#9
REVIEW
R Kothe
BACKGROUND: The involvement of the cervical spine in rheumatoid arthritis (RA) continues to be of clinical importance even in this age of biologics. Pathophysiological changes begin with an isolated atlantoaxial subluxation and may progress to a complex craniocervical and subaxial instability. The onset of cervical myelopathy can occur at any time and leads to a deterioration of the prognosis for the patient. THERAPY: Treatment of the rheumatoid cervical spine should be aimed at improvement of the symptoms and prevention of further progress of the disease...
March 29, 2018: Der Orthopäde
https://www.readbyqxmd.com/read/29566674/a-genome-wide-association-study-identifies-candidate-loci-associated-to-syringomyelia-secondary-to-chiari-like-malformation-in-cavalier-king-charles-spaniels
#10
Frédéric Ancot, Philippe Lemay, Susan P Knowler, Karen Kennedy, Sandra Griffiths, Giunio Bruto Cherubini, Jane Sykes, Paul J J Mandigers, Guy A Rouleau, Clare Rusbridge, Zoha Kibar
BACKGROUND: Syringomyelia (SM) is a common condition affecting brachycephalic toy breed dogs and is characterized by the development of fluid-filled cavities within the spinal cord. It is often concurrent with a complex developmental malformation of the skull and craniocervical vertebrae called Chiari-like malformation (CM) characterized by a conformational change and overcrowding of the brain and cervical spinal cord particularly at the craniocervical junction. CM and SM have a polygenic mode of inheritance with variable penetrance...
March 22, 2018: BMC Genetics
https://www.readbyqxmd.com/read/29554359/letter-intracranial-connections-of-the-vertebral-venous-plexus-anatomical-study-with-application-to-neurosurgical-and-endovascular-procedures-at-the-craniocervical-junction
#11
Kaveh Barami
No abstract text is available yet for this article.
March 14, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29554356/comparison-of-fusion-rates-based-on-graft-material-following-occipitocervical-and-atlantoaxial-arthrodesis-in-adults-and-children
#12
Leslie C Robinson, Richard C E Anderson, Douglas L Brockmeyer, Michelle R Torok, Todd C Hankinson
BACKGROUND: Fusion rates following rigid internal instrumentation for occipitocervical and atlantoaxial instability approach 100% in many reports. Based on this success and the morbidity that can be associated with obtaining autograft for fusion, surgeons increasingly select alternative graft materials. OBJECTIVE: To examine fusion failure using various graft materials in a retrospective observational study. METHODS: Insurance claims databases (Truven Health MarketScan® [Truven Health Analytics, Ann Arbor, Michigan] and IMS Health Lifelink/PHARMetrics [IMS Health, Danbury, Connecticut]) were used to identify patients with CPT codes 22590 and 22595...
March 15, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29548953/upper-cervical-spinal-cord-stimulation-as-an-alternative-treatment-in-trigeminal-neuropathy
#13
Carlos Velásquez, Kantharuby Tambirajoo, Paulo Franceschini, Paul Eldridge, Jibril Osman Farah
OBJECTIVE: To describe the indications and outcomes of upper cervical cord stimulation in Trigeminal Neuropathy. MATERIALS AND METHODS: A consecutive single-center series of patients was retrospectively reviewed. It included 12 patients with trigeminal neuropathy treated with upper cervical spinal cord stimulation (ucSCS). Clinical features, complications and outcomes were reviewed. RESULTS: All patients had a successful trial before the definitive implantation of a spinal cord stimulator at the level of the craniocervical junction...
March 13, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29546563/a-high-flow-nasal-cannula-system-with-relatively-low-flow-effectively-washes-out-co-2-from-the-anatomical-dead-space-in-a-sophisticated-respiratory-model-made-by-a-3d-printer
#14
Yu Onodera, Ryo Akimoto, Hiroto Suzuki, Masayuki Okada, Masaki Nakane, Kaneyuki Kawamae
BACKGROUND: Although clinical studies of the high-flow nasal cannula (HFNC) and its effect on positive end-expiratory pressure (PEEP) have been done, the washout effect has not been well evaluated. Therefore, we made an experimental respiratory model to evaluate the respiratory physiological effect of HFNC. METHODS: An airway model was made by a 3D printer using the craniocervical 3D-CT data of a healthy 32-year-old male. CO2 was infused into four respiratory lung models (normal-lung, open- and closed-mouth models; restrictive- and obstructive-lung, open-mouth models) to maintain the partial pressure of end-tidal CO2 (PET CO2 ) at 40 mmHg...
March 15, 2018: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/29530685/computed-topography-imaging-study-of-basilar-invagination-and-atlanto-axial-dislocation
#15
Zhi-Yuan Xia, Zan Chen, Wan-Ru Duan, Xing-Hua Zhao
OBJECTIVE: To analyze axis deformities and the biomechanics related to atlanto-axial dislocation in patients with basilar invagination. METHODS: Seventy-six patients were retrospectively analyzed, including 21 patients who had basilar invagination (group B), 32 patients with basilar invagination and atlanto-axial dislocation (group C), and 23 non-deformity control subjects (group A). Using 3D computed topography (CT) imaging the distance from the tip of the dens above the Chamberlain line in the sagittal plane, atlanto-dental interval (ADI), sagittal inclination, coronal inclination, craniocervical tilt, the height of the odontoid and the ratio of the height to the odontoid basal width was measured in each patient...
March 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29525399/manual-therapy-in-adults-with-tension-type-headache-a-systematic-review
#16
C Cumplido-Trasmonte, P Fernández-González, I M Alguacil-Diego, F Molina-Rueda
INTRODUCTION: Tension-type headache is the most common primary headache, with a high prevalence and a considerable socioeconomic impact. Manual physical therapy techniques are widely used in the clinical field to treat the symptoms associated with tension-type headache. This systematic review aims to determine the effectiveness of manual and non-invasive therapies in the treatment of patients with tension-type headache. DEVELOPMENT: We conducted a systematic review of randomised controlled trials in the following databases: Brain, PubMed, Web of Science, PEDro, Scopus, CINAHL, and Science Direct...
March 7, 2018: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/29523203/computer-simulation-of-syringomyelia-in-dogs
#17
Srdjan Cirovic, Robert Lloyd, Jelena Jovanovik, Holger A Volk, Clare Rusbridge
BACKGROUND: Syringomyelia is a pathological condition in which fluid-filled cavities (syringes) form and expand in the spinal cord. Syringomyelia is often linked with obstruction of the craniocervical junction and a Chiari malformation, which is similar in both humans and animals. Some brachycephalic toy breed dogs such as Cavalier King Charles Spaniels (CKCS) are particularly predisposed. The exact mechanism of the formation of syringomyelia is undetermined and consequently with the lack of clinical explanation, engineers and mathematicians have resorted to computer models to identify possible physical mechanisms that can lead to syringes...
March 9, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29517672/dynamic-spinal-compression-revealed-by-computed-tomography-myelography-in-overshunting-associated-myelopathy-a-case-report
#18
Eiichiro Amano, Kokoro Ozaki, Satoru Egawa, Motohiro Suzuki, Takashi Hirai, Satoru Ishibashi, Takuya Ohkubo, Toshitaka Yoshii, Atsushi Okawa, Takanori Yokota
RATIONALE: OSAM is a rare ventriculoperitoneal (VP) shunt complication where cervical spinal cord compression by epidural venous plexus engorgement is caused by cerebrospinal fluid (CSF) overdrainage. Symmetrically indented deformity of the upper cervical spinal cord and surrounding epidural venous engorgement are characteristic radiological findings. Both of them are typically detected on magnetic resonance imaging (MRI) and enhanced computed tomography (CT). PATIENT CONCERNS: The 77-year-old man who underwent the placement of a VP shunt without an antisiphon device to treat post-subarachnoid hemorrhage (SAH) hydrocephalus presented with progressive quadriplegia 10 years postoperatively...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29499591/letter-to-the-editor-regarding-endoscopic-submandibular-retropharyngeal-approach-to-the-craniocervical-junction-and-clivus-an-anatomic-study
#19
Y R Yadav, Vijay S Parihar, Shailendra Ratre
No abstract text is available yet for this article.
March 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29489401/cervical-spine-injury-from-unrecognized-craniocervical-instability-in-severe-pierre-robin-sequence-associated-with-skeletal-dysplasia
#20
Xiao Zhu, Kelly N Evans, Areeg El-Gharbawy, Jonathan Y Lee, Jack E Brooker, Noel Jabbour, Elizabeth C Tyler-Kabara, Suneeta Madan-Khertarpal, Joseph E Losee, Jesse A Goldstein
Pierre Robin Sequence (PRS) can be associated with skeletal dysplasias, presenting with craniocervical instability and devastating spinal injury if unrecognized. The authors present the case of an infant with PRS and a type II collagenopathy who underwent multiple airway-securing procedures requiring spinal manipulation before craniocervical instability was identified. This resulted in severe cervical cord compression due to odontoid fracture and occipitoatlantoaxial instability. This case highlights the importance of early cervical spine imaging and cautious manipulation in infants with PRS and suspected skeletal dysplasia...
January 1, 2018: Cleft Palate-craniofacial Journal
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