Results 31 to 40 of about 3,796 (201)

Biomechanical properties of the atlantoaxial joint with naturally-occurring instability in a toy breed dog. A comparative descriptive cadaveric study [PDF]

open access: yes, 2015
The biomechanical properties of the atlanto-axial joint in a young Yorkshire Terrier dog with spontaneous atlantoaxial instability were compared to those of another young toy breed dog with a healthy atlantoaxial joint.
Bürki, Alexander   +3 more
core   +1 more source

Atlantoaxial instability in monozygotic twin sisters: degenerative or congenital disease? [PDF]

open access: yes, 2014
The authors report on two 70-year-old monozygotic twin sisters who both suffered severe nontraumatic atlantoaxial instability. If either had been a solitary case, degenerative atlantoaxial instability would have been the most straightforward diagnosis ...
Lauweryns, Philippe   +5 more
core   +1 more source

Role of Posterior Interfacetal Distraction and Grafting in Complex Atlantoaxial Dislocation

open access: yesEgyptian Spine Journal, 2019
Background Data: Atlantoaxial fixation, unlike subaxial spine, is still challenging due to complex topographical anatomy. Nowadays, atlas lateral mass screws and transpedicular axis screws fixation is a well-accepted technique for the management of ...
Mohamed Ali El-Gaidi, MD.   +1 more
doaj   +1 more source

Cervical Fusion as a Protective Response to Craniovertebral Junction Instability: A Novel Concept [PDF]

open access: yesNeurospine, 2018
The author reviews the various types of cervical fusion that are associated with instability of the craniovertebral junction. Assimilation of the atlas, C2–3 fusion, the Klippel-Feil abnormality, and pancervical fusion are amongst the more common types ...
Atul Goel
doaj   +1 more source

Atlantoaxial instability in Down s synarome [PDF]

open access: yes, 2021
9-31 % of children with Down syndrome have atlantoaxial instability. These children might have the risk of atlantoaxial dislocation and spinal cord compression if they play sport or take part actively in daily Iife. The purpose of our study was to assess
Murat Hanci   +5 more
core  

Atlantoaxial Instability in down Syndrome-Guidelines for Screening and Detection [PDF]

open access: yes, 1990
A community survey was conducted in all adults with Down syndrome living in three health districts to see if there was any correlation between radiological and neurological abnormalities which could indicate the presence of atlantoaxial instability ...
M Roy, M Baxter, A Roy
core   +1 more source

Atlantoaxial fixation for failed foramen magnum decompression in patients with Chiari formation

open access: yesJournal of Craniovertebral Junction and Spine, 2020
Background: Relationship of atlantoaxial instability with Chiari formation is further analyzed in the report. Objective: The outcome of 25 patients who had failed conventional treatment for Chiari formation that included foramen magnum decompression ...
Atul Goel   +5 more
doaj   +1 more source

C1-C2 screw fixation in the patient with anomalous course of vertebral artery: Case report [PDF]

open access: yesVojnosanitetski Pregled, 2019
Introduction. The atlantoaxial complex is a very complicated structure and open reduction of C1-C2 subluxation is very demanding. Atlantoaxial instability may result from the traumatic, inflammatory, neoplastic, congenital or degenerative disorders ...
Ivetić Dražen   +2 more
doaj   +1 more source

Morphometric and functional study of the canine atlantoaxial joint [PDF]

open access: yes, 2019
The atlantoaxial joint can be affected by instability, in most cases a congenital pathology in young small breed dogs. Causes of atlantoaxial instability (AAI) are variable but are usually attributed to a lack of ligamentous support.
Stoffel, Michael H.   +5 more
core   +1 more source

Sport Preparticipation Screening for Asymptomatic Atlantoaxial Instability in Patients With Down Syndrome [PDF]

open access: yes, 2018
Down syndrome (DS) is a clinical syndrome comprising typical facial features and various physical and intellectual disabilities due to extra genetic material on chromosome 21, with one in every 1000 babies born in the United Kingdom affected.
Fenton, Eoin   +5 more
core   +1 more source

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