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https://www.readbyqxmd.com/read/29433186/traumatic-atlantoaxial-spondyloptosis-associated-with-displaced-odontoid-fracture-complete-reduction-via-posterior-approach-using-joint-remodeling-technique
#1
Amandeep Kumar, Gaurav Varshney, Pankaj K Singh, Deepak Agrawal, Guru D Satyarthee, Poodipedi S Chandra, Shashank S Kale, Ashok K Mahapatra
BACKGROUND: Atlantoaxial spondyloptosis (AAS), which is defined as complete displacement of facets of atlas anterior to the facets of axis such that there is no contact between the 2 articulating surfaces, is an extremely rare manifestation of atlantoaxial instability. The reason for an extreme rarity of traumatic AAS is probably the severity of injury in traumatic AAS that is usually incompatible to life. It represents the most severe form of atlantoaxial dislocation, and complete reduction in such a case presents a real technical challenge because of the interlocking of C1-C2 facets...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29433184/transoral-versus-transnasal-approach-for-craniovertebral-junction-pathologies-never-say-never
#2
Massimiliano Visocchi, Francesco Signorelli, Chenlong Liao, Mario Rigante, Gaetano Paludetti, Giuseppe Barbagallo, Alessandro Olivi
OBJECTIVE: For many years, the microsurgical transoral approach (TOA) has been accepted as the "gold standard" for the surgical treatment of a variety of congenital, developmental, and acquired pathologies affecting the craniovertebral junction. In the present study, we try to investigate both experimental and clinical fronts of such a challenging surgery, starting from the updated literature experience. TOA is actually presented as an "old-fashioned" surgical technique dealing with possible bacterial contamination, the need of postoperative nose gastric tube feeding for a week, the possible nasopharyngeal incompetence, and the postoperative tongue swelling...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29433183/quality-of-life-after-craniovertebral-junction-meningioma-resection-shaping-the-real-neurologic-and-functional-expectancies-about-these-surgeries-in-a-contemporary-large-multicenter-experience
#3
Antonino Raco, Alessandro Pesce, Giada Toccaceli, Alessandro Frati, Demo Eugenio Dugoni, Roberto Delfini
OBJECTIVE: Craniovertebral junction (CVJ) meningiomas are one of the most surgically complex conditions in neuro-oncologic surgery. The aim of this work is to correlate our data with clinical outcome to outline factors leading to a worse functional prognosis. METHODS: We analyzed sex, age, clinical presentation, topography, surgical approach, Simpson grade resection, postoperative lower cranial nerve deficits, consistency, histology, site of origin, presence of a capsule, and radiologic and clinical follow-up at 1, 6, and 12 months of 61 patients affected by CVJ meningiomas, operated on in our institution from 1992 to 2014...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29433181/craniovertebral-junction-transoral-approach-predictive-factors-of-complications
#4
Aymeric Amelot, Louis-Marie Terrier, Guillaume Lot
BACKGROUND: The transoral approach provides the most direct exposure to extradural lesions of the ventral craniovertebral junction. The morbidity and mortality from this approach greatly limits its use because they are still feared and debated. Using univariable and multivariable logistic regression analyses, this study aims to identify the factors associated with short-term complications in patients undergoing the transoral approach. METHODS: A consecutive cohort analysis of prospectively collected data in several neurosurgery spine departments evaluated 143 consecutive patients who had undergone craniovertebral junction transoral approach surgery...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29433179/walk-the-line-the-surgical-highways-to-the-craniovertebral-junction-in-endoscopic-approaches-a-historical-perspective
#5
Massimiliano Visocchi, Domenico Gerardo Iacopino, Francesco Signorelli, Alessandro Olivi, Rosario Maugeri
BACKGROUND: We compiled a comprehensive literature review on the anatomic and clinical results of endoscopic approaches to the craniocervical junction (CVJ) to better contribute to identify the best strategy. METHODS: An updated literature review was performed in the PubMed, OVID, and Google Scholar medical databases, using the terms "Craniovertebral junction," "Transoral approach," "Transnasal approach," "Transcervical approach," "Endoscopic endonasal approach," "Endoscopic transoral approach," "Endoscopic transcervical approach...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29433175/the-alar-ligaments-a-cadaveric-and-radiologic-comparison-study
#6
Juan P Sardi, Joe Iwanaga, Vlad Voin, Cameron Schmidt, Marios Loukas, Jens R Chapman, Rod J Oskouian, R Shane Tubbs
OBJECTIVE: A precise anatomical description of the alar ligaments is important to better understand their biomechanical and pathologic implications. Although there are several studies regarding their anatomy, the literature is inconsistent. To our knowledge, there are no reports that compare cadaveric morphologic findings with computed tomography (CT) images of the alar ligaments. METHODS: Eight sides from 4 fresh-frozen cadaveric specimens were used in this study...
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29433174/craniovertebral-junction-instability-an-overview
#7
EDITORIAL
Atul Goel
No abstract text is available yet for this article.
February 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29410583/correlation-between-pulmonary-functions-and-respiratory-muscle-activity-in-patients-with-forward-head-posture
#8
Jeong-Il Kang, Dae-Keun Jeong, Hyun Choi
[Purpose] The purpose of this study is to determine the effect that secondary postural deformities and chronic postural abnormalities have on lung capacity, as well as correlate the activity of the respiratory muscles. The results provide basic objective data about the forward head posture and respiratory muscle activity that can be used in clinical situations. [Subjects and Methods] The subjects used in this study were 24 patients aged 25 to 35 years old who visited a hospital in Jeollanam-do Province, Korea, between September 2015 and January 2016...
January 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29405184/-forensic-medical-determination-of-the-age-based-on-the-analysis-of-ct-scanograms-of-the-skull-and-the-craniovertebral-region-in-the-sagittal-projection
#9
A V Kovalev, M D Ametrin, G V Zolotenkova, A N Gerasimov, D V Gornostaev, M P Poletaeva
The objective of the present study was to determine the biological age of the unrecognized individuals based on the analysis of CT-scanograms of the skull and the craniovertebral region in the sagittal projection. We investigated the structure of the spongy substance of the clinoid plate of the sella turcica and the clivus of the cranium, involution of the vertebrae configuration in the medial atlantoaxial articulation, frontal and sphenoidal sinuses. A total of 80 skulls of Caucasoid individuals at the age ranging from 4 to 84 years belonging to an Eastern Slavonic population (free from the pathological lesions in the above cranial structures) were available for the examination...
2018: Sudebno-meditsinskaia Ekspertiza
https://www.readbyqxmd.com/read/29377645/iniencephaly
#10
Lewis B Holmes, M Hassan Toufaily, Marie-Noel Westgate
BACKGROUND: Iniencephaly is a severe developmental abnormality of the craniovertebral junction in which the head is retroflexed dramatically. Anatomic studies have identified striking changes in the vertebrae and skull: marked lordosis of the cervical vertebrae, duplicated cervical vertebrae, irregularly fused cervical vertebrae, a widened foramen magnum and a small posterior fossa. The affected infant appears to have no neck, as the skin of the face is continuous with the chest and the skin of the posterior scalp is continuous with the skin of the back...
January 2018: Birth Defects Research
https://www.readbyqxmd.com/read/29354734/use-of-3d-printer-model-to-study-vertebral-artery-anatomy-and-variations-in-developmental-craniovertebral-junction-anomalies-and-as-a-preoperative-tool-an-institutional-experience
#11
Sachin Chhabra, Sanjeev Chopra, Rashim Kataria, Virendra Deo Sinha
Background: Spinal instrumentation using rods and screws have become procedure of choice for posterior fixation. Vertebral artery anatomy is highly variable in this region posing challenges during surgery. Our study used 3D printer model to understand the anatomy and variations in vertebral artery in live patients thereby providing an accurate idea about vertebral artery injury risk in these patients preoperatively and to rehearse the whole procedure. Methods: Ten patients of developmental craniovertebral junction (CVJ) anomalies who were planned for operative intervention in the Department of Neurosurgery at SMS Hospital from February 2016 to December 2016 were analysed using a 3D printer model...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29322976/-fusing-the-appropriate-in-complex-craniovertebral-junction-anomalies
#12
Pravin Salunke
No abstract text is available yet for this article.
January 2018: Neurology India
https://www.readbyqxmd.com/read/29303466/delayed-neurological-deterioration-following-atlantoaxial-facet-joint-distraction-and-fixation-in-a-patient-with-chiari-malformation-type-i
#13
Tatsushi Inoue, Natsuki Hattori, Tsukasa Ganaha, Tadashi Kumai, Shinichiro Tateyama, Yuichi Hirose
Chiari malformation type I (CM-I) is typically treated with foramen magnum decompression. However, a recent study proposed a new technique for patients with CM-I, wherein only short atlantoaxial joint fusion and distraction is applied. Posterior fusion with or without atlantoaxial distraction is a potential option for patients with CM-I associated with basilar invagination or complex anomalous bony craniovertebral junction pathology, since this procedure allows clinicians to avoid using the technically demanding transoral approach in which some or all of the odontoid tip is invisible...
January 5, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29289915/-congenital-anomalies-of-craniovertebral-junction-presenting-after-50-years-of-age-an-oxymoron-or-an-unusual-variation
#14
Pravin Salunke, Madhivanan Karthigeyan, Narasimhaiah Sunil, Vasundhara Rangan
OBJECTIVES: Manifestation of congenital anomalies of cranio-vertebral junction (CVJ) in the later half of life is unusual and intriguing. Coexisting cervical spondylotic changes with multilevel compression, poorer bone quality as well as less smooth post-surgical recuperation make management of elderly Congenital Atlantoaxial Dislocation/ Basilar Invagination (CAAD/BI) challenging. The clinico-radiological presentation, pathogenesis and outcome are analysed here. PATIENTS AND METHODS: Clinico-radiological data of 20 patients of CAAD/BI (with markers of congenital anomalies) presenting after 50 years of age, the challenges faced and outcomes after C1-C2 fusion have been analysed...
December 21, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29288330/evaluation-of-vertebral-artery-anomaly-in-basilar-invagination-and-prevention-of-vascular-injury-during-surgical-intervention-cta-features-and-analysis
#15
Shuaishuai Xu, Shidong Ruan, Xiaoyu Song, Jinyu Yu, Jianrong Xu, Ruozhen Gong
OBJECTIVE: To evaluate vertebral artery anomaly at the craniovertebral junction (CVJ) in patients with basilar invagination (BI) by computed tomographic angiography (CTA), and to discuss the prevention strategy of vascular injury. METHODS: The primary axial, multiple planar reconstruction and volume-rendering cervicocranial CTA images of 39 BI patients were analysed to evaluate vertebral artery anomaly at the CVJ: persistent first intersegmental artery (PFIA), fenestrated vertebral artery (FEN), and extracranial C1/2 origin of posterior inferior cerebellar artery (PICA), high-riding vertebral artery, side-to-side asymmetry and irregular midline carotid artery loop was determined by subjective vision...
December 29, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29279983/surgical-anatomy-of-neurovascular-structures-related-to-ventral-c1-2-complex-an-anatomical-study
#16
Sibel Cirpan, Salih Sayhan, Goksin Nilufer Yonguc, Canan Eyuboglu, Mustafa Güvençer, Sait Naderi
OBJECTIVE: Transoral odontoidectomy and ventral C1-2 stabilization are important surgical procedures, performed to decompress ventral spinal cord, and to stabilize craniovertebral junction. These procedures require knowledge regarding surgical anatomy of neurovascular structures ventral to the C1-2 complex. The aim of this study is to evaluate the relationships between neurovascular structures and bony landmarks in ventral atlantoaxial complex. MATERIALS AND METHODS: This study was performed on six formaldehyde fixed cadaveric head and neck specimens...
December 26, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29248172/the-effects-of-forward-head-posture-on-neck-extensor-muscle-thickness-an-ultrasonographic-study
#17
Fereshte Goodarzi, Leila Rahnama, Noureddin Karimi, Raziyeh Baghi, Shapour Jaberzadeh
OBJECTIVE: This study aimed to compare neck extensor muscle thickness, thickness changes, and strength between participants with forward head posture (FHP) and controls with normal head posture (NHP). METHODS: Twenty college students with FHP (mean age 21.30 ± 2.36 years) and 20 students with NHP (mean age 21.85 ± 2.78 years) participated in this case-control study. The thickness of neck extensor muscles was measured at rest and at maximal voluntary isometric contraction (MVIC)...
December 13, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29235091/upward-displacement-of-the-odontoid-process-into-the-foramen-magnum-a-paleopathological-case
#18
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
#19
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
#20
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
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