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https://www.readbyqxmd.com/read/29235091/upward-displacement-of-the-odontoid-process-into-the-foramen-magnum-a-paleopathological-case
#1
Paola Saccheri, Enrico Crivellato, Francesco Toso, Luciana Travan
An upward displacement of the odontoid process into the foramen magnum was observed in the skeletal remains of a young male unearthed from a 14th-17th century cemetery in the north-eastern Italy. Examination of skull bone vestiges and CT-SCAN analysis of the axis exhibited a clear-cut contact zone between the odontoid process and the anterior border of the foramen magnum. In addition, the odontoid process appeared backward deviated. Findings suggest a possible diagnosis of basilar impression/invagination. This anomalous contact may cause compression of neural and vascular structures with a multifaceted series of clinical symptoms...
December 13, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29233164/upper-thoracic-spine-mobilization-and-mobility-exercise-versus-upper-cervical-spine-mobilization-and-stabilization-exercise-in-individuals-with-forward-head-posture-a-randomized-clinical-trial
#2
Juchul Cho, Eunsang Lee, Seungwon Lee
BACKGROUND: Although upper cervical and upper thoracic spine mobilization plus therapeutic exercises are common interventions for the management of forward head posture (FHP), no study has directly compared the effectiveness of cervical spine mobilization and stabilization exercise with that of thoracic spine mobilization and mobility exercise in individuals with FHP. METHODS: Thirty-two participants with FHP were randomized into the cervical group or the thoracic group...
December 12, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29203314/endoscopic-transseptal-approach-with-posterior-nasal-spine-removal-a-wide-surgical-corridor-to-the-craniovertebral-junction-and-odontoid-technical-note-and-case-series
#3
Zefferino Rossini, Davide Milani, Federico Nicolosi, Francesco Costa, Giovanni Battista Lasio, Vincenzo Antonio D'Angelo, Maurizio Fornari, Giovanni Colombo
BACKGROUND: Transnasal approach to lesions involving the craniovertebral junction represents a technical challenge because of limited inferior exposure. The authors describe the endoscopic transseptal approach (ETsA) with posterior nasal spine (PNS) removal; this technique can create a wide exposition of the craniovertebral junction increasing the caudal exposure. METHODS: On patients undergoing anterior craniovertebral junction decompression, we calculated the degree of exposure on the sagittal plan through a paraseptal route, an ETsA without and with PNS removal...
December 1, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29199500/management-of-a-rare-case-of-posterior-condylar-canal-dural-arteriovenous-fistula-presenting-with-subarachnoid-haemorrhage-a-case-report-and-review-of-literature
#4
Somorendra Singh Shambanduram, Leve Joseph Devarajan Sebastian, Nishchint Jain, Ajay Garg, Shailesh B Gaikwad
Posterior condylar canal dural arteriovenous fistula (PCC dAVF) is a rare entity with only three cases having been reported so far in the English literature. We describe the clinical presentation, imaging, and endovascular management of an elderly man with left PCC dAVF presenting with subarachnoid haemorrhage (SAH). Endovascular management of such cases requires thorough understanding of the vascular anatomy around the craniovertebral junction (CVJ) and variable bridging vein draining patterns. The fistula in our case was fed by the posterior meningeal branch of the left vertebral artery and was draining through a dilated and tortuous medullary bridging vein into the antero-lateral pontomedullary venous system...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29192876/posterior-inferior-cerebellar-artery-with-an-extradural-origin-from-the-v3-segment-higher-incidence-on-the-nondominant-vertebral-artery
#5
Taiki Isaji, Muneyoshi Yasuda, Reo Kawaguchi, Masahiro Aoyama, Aichi Niwa, Takahiro Nakura, Naoki Matsuo, Masakazu Takayasu
OBJECTIVE The posterior inferior cerebellar artery (PICA) and the vertebral artery (VA) often exhibit anatomical variations at the craniovertebral junction (CVJ). An example of this is the PICA originating extradurally from the V3 segment of the VA. To date, some cadaveric investigations have been reported, but the incidence and relationship of this variation to the VA and the atlas as observed on clinical imaging have not been discussed. This study evaluated the prevalence of PICAs originating from the V3 on CT scanning...
December 1, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29184713/posterior-atlantoaxial-fusion-using-a-c2-transverse-foramen-penetrating-screw-a-technical-note
#6
Yasuhiro Takeshima, Hideki Shigematsu, Kengo Konishi, Ichiro Nakagawa, Yasushi Motoyama, Hiroyuki Nakase
Background: Although recent development of screw instrumentation techniques for rigid fixation of the atlantoaxial joint has increased surgical options, patients in whom screws of any type cannot be safely placed are sometimes encountered. We present a unique surgical technique for C1-2 transarticular screw placement utilizing a novel trajectory. Methods: A 35-year-old male with a history of Down's syndrome and cognitive dysfunction with hyperkinesis spontaneously developed rapid onset of tetraparesis and gait disturbance...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29184301/effects-of-cervical-stretching-and-cranio-cervical-flexion-exercises-on-cervical-muscle-characteristics-and-posture-of-patients-with-cervicogenic-headache
#7
Seung Kyu Park, Dae Jung Yang, Je Ho Kim, Da Hang Kang, Sam Heon Park, Jong Hyuk Yoon
[Purpose] The present study aimed to conduct a comparative analysis of changes in mechanical characteristics of cervical muscles and cervical posture in patients with cervicogenic headache following exercise program intervention in order to present effective treatment methods for such patients. [Subjects and Methods] A total of 30 patients with cervicogenic headache were recruited and 15 patients were allocated to cervical stretching exercise group and 15 to cervical stretching exercise and cranio-cervical flexion exercise group...
October 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29184298/changes-in-rounded-shoulder-posture-and-forward-head-posture-according-to-exercise-methods
#8
Do Youn Lee, Chan Woo Nam, Youn Bum Sung, Kyoung Kim, Hae Yong Lee
[Purpose] This study aimed to determine the effect of forward head posture-improving exercises on rounded shoulder posture when employing the self-stretch exercise, the McKenzie exercise, and the Kendall exercise as intervention methods based on previous studies that reported negative effects of unbalanced posture and musculoskeletal problems on forward head posture and rounded shoulder posture. [Subjects and Methods] The selected 28 subjects were randomly assigned into the McKenzie exercise group (n=9), the self-stretch exercise group (n=10), and the Kendall exercise group (n=9)...
October 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29142563/posterior-occipito-cervical-decompression-with-fixation-and-fusion-in-cranio-vertebral-junction-compression
#9
Lal Rehman, Iram Bokhari, Ali Afzal, Shakeel Ahmad
Objective: To find out the clinical outcome of posterior decompression with occipitocervical fixation and fusion in patients with Craniovertebral junction instability. Methods: Eighty consecutive patients of cranio vertebral junction (CVJ) compression were treated in the department of neurosurgery, Jinnah Postgraduate Medical Centre (JPMC), Karachi over a period of 05 years from 1(st) January 2012 till 31(st) August 2016. All patients underwent posterior decompression with occipitocervical fusion (OCF) and fixation...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29137014/radiological-manifestations-and-surgical-outcome-of-combined-upper-cervical-cord-compression-and-cervical-ossification-of-the-posterior-longitudinal-ligament-with-a-minimum-2-year-follow-up
#10
Hao Li, Xiaopeng Zhou, Gang Chen, Fangcai Li, Junfeng Zhu, Qixin Chen
Combined upper cervical cord compression associated with cervical ossification of the posterior longitudinal ligament (OPLL) is a rare and under-recognized disorder. The aim of this study was to investigate the radiological manifestations and surgical outcome of this combined disease.Between May 2011 and July 2015, patients who underwent surgery for combined upper cervical cord compression and cervical OPLL in our institution were included in this study. After a minimum 2-year follow-up, radiological and clinical data were collected...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29129522/increasing-the-safety-of-surgical-treatment-for-complex-cranio-vertebral-anomalies-using-customized-3d-printed-models
#11
Kataria Rashim, K Verma Pawan, V D Sinha
Surgery for the Cranio-vertebral (CV) junction anomalies using top loading subocciput (C0)/C1-C2 screws is difficult and requires high level of skill and expertise. This is because of complex abnormal anatomy in that region and other issues including the instrumentation. Thorough knowledge of the 3D anatomy of the Craniovertebral junction of the patient is essential for favourable outcome. The customised 3D printed model of CV junction region of the patient can be used for studying the anatomy and relationship of vertebral artery to the C1-C2 joint before the actual surgery...
November 9, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29057717/craniovertebral-fixation-%C3%A2-a-new-technique-of-occipital-cervical-fixation
#12
Sushil Patkar
BACKGROUND: Craniovertebral instability following transoral odontoid excision is usually treated by posterior occipital-cervical fixation using occipital plate and cervical lateral mass fixation with screw rod construct. A patient previously operated for basilar invagination had postoperative infection of both the transoral wound and the posterior implant site which needed removal of the posterior implant earlier. CLINICAL PRESENTATION: The patient presented with severe neck pain, myelopathy, and chronic discharging sinus in the posterior lower aspect the previous neck surgery wound...
October 23, 2017: Neurological Research
https://www.readbyqxmd.com/read/28984522/the-v3-segment-of-the-vertebral-artery-as-a-robust-donor-for-intracranial-to-intracranial-interpositional-bypasses-technique-and-application-in-5-patients
#13
Ali Tayebi Meybodi, Arnau Benet, Michael T Lawton
The V3 segment of the vertebral artery (VA) has been studied in various clinical scenarios, such as in tumors of the craniovertebral junction and dissecting aneurysms. However, its use as a donor artery in cerebral revascularization procedures has not been extensively studied. In this report, the authors summarize their clinical experience in cerebral revascularization procedures using the V3 segment as a donor. A brief anatomical description of the relevant techniques is also provided.
October 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28983222/transoral-approach-for-odontoidectomy-efficacy-and-safety
#14
Ahmed Mohamed Elbadrawi, Tameem Mohamed Elkhateeb
BACKGROUND: Odontoid process pathologies can cause upper motor neuron lesions. These pathologies can be approached through either a high retropharyngeal approach or a transoral approach. The introduction of the surgical microscope, proper instrumentations, and proper antibiotics has increased utilization of the transoral approach. QUESTIONS/PURPOSES: Our approach to anterior odontoid resection through transoral approach for different pathologies resulting in compression the cervical cord or causing craniocervical instability is described here...
October 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28982790/basion-cartilaginous-dens-interval-an-imaging-parameter-for-craniovertebral-junction-assessment-in-children
#15
A K Singh, Z Fulton, R Tiwari, X Zhang, L Lu, W B Altmeyer, B Tantiwongkosi
BACKGROUND AND PURPOSE: Widening of the basion-dens interval is an important sign of cranioverterbral junction injury. The current literature on basion-dens interval in children is sparse and based on bony measurements with variable values. Our goal was to establish the normal values of a recently described new imaging parameter, the basion-cartilaginous dens interval in children. MATERIALS AND METHODS: Three hundred healthy pediatric patients (0-10 years of age) were selected retrospectively...
October 5, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28965445/temporary-occipital-fixation-in-young-children-with-severe-cervical-thoracic-spinal-deformity
#16
Brian J Kelley, Anas A Minkara, Peter D Angevine, Michael G Vitale, Lawrence G Lenke, Richard C E Anderson
OBJECTIVE The long-term effects of instrumentation and fusion of the occipital-cervical-thoracic spine on spinal growth in young children are poorly understood. To mitigate the effects of this surgery on the growing pediatric spine, the authors report a novel technique used in 4 children with severe cervical-thoracic instability. These patients underwent instrumentation from the occiput to the upper thoracic region for stabilization, but without bone graft at the craniovertebral junction (CVJ). Subsequent surgery was then performed to remove the occipital instrumentation, thereby allowing further growth and increased motion across the CVJ...
October 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28962950/transoral-decompression-and-stabilization-of-the-upper-cervical-segments-of-the-spine-using-custom-made-implants-in-various-pathologic-conditions-of-the-craniovertebral-junction
#17
Alexey N Shkarubo, Alexander A Kuleshov, Ilia V Chernov, Marchel S Vetrile, Igor N Lisyansky, Sergey N Makarov, George P Ponomarenko, Michael Spyrou
BACKGROUND: Surgical treatment of patients with atlantoaxial instability caused by pathologic changes of the skull base and craniovertebral junction combined with anterior compression of the brain stem is still associated with substantial technical difficulties and remains a matter of debate. Currently, anterior stabilization of the atlantoaxial junction is a promising approach that allows for the resection of the pathologic lesion of the skull base and craniovertebral junction with subsequent stabilization of C1-C2 or C1-C3 in 1 stage...
September 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28914720/effects-of-corrective-exercise-for-thoracic-hyperkyphosis-on-posture-balance-and-well-being-in-older-women-a-double-blind-group-matched-design
#18
Hyun-Jeong Jang, Lynne C Hughes, Duck-Won Oh, Suhn-Yeop Kim
BACKGROUND AND PURPOSE: The purpose of this study was to identify the effects of a corrective exercise for thoracic hyperkyphosis on posture, balance, and well-being in Korean community-dwelling older women. METHODS: Fifty women 65 years of age and older, recruited from 2 senior centers, participated in this study. Participants were assigned to either the experimental group (EG) or the control group (CG) on the basis of convenience of location, and 22 in each were analyzed...
September 13, 2017: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/28904850/effects-of-exercise-on-cervical-angle-and-respiratory-function-in-smartphone-users
#19
Na Kyung Lee, Sang In Jung, Do Youn Lee, Kyung Woo Kang
OBJECTIVES: The aim of this study was to determine whether exercises can change the cervical angle and respiratory function in smartphone users. METHODS: Thirty healthy volunteers were recruited. The subjects were randomly divided into an exercise group and a control group. All participants used a smartphone for 1 hour while maintaining a sitting posture. Then, each group performed their assigned activity. The exercise group performed two types of exercises and the control group maintained routine activities for 20 minutes...
August 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28891898/vascular-anomalies-of-posterior-fossa-and-their-implications
#20
Rajani Singh, Raj Kumar, Arushi Kumar
Posterior fossa houses very vital and sensitive structures namely midbrain, pons, medulla, and cerebellum. These structures are irrigated by vertebral, posterior inferior cerebellar, anterior inferior cerebellar, and superior cerebellar arteries. Parts of brain located in posterior fossa control important parts of body so any variation pertaining to stenosis, atresia, hypoplasia, fenestration, agenesis, and duplication in the arteries supplying these parts alter the irrigation pattern culminating into various morbid and mortal neurologic disorders...
November 2017: Journal of Craniofacial Surgery
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