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Case Reports
. 1976 Apr;39(4):381-4.
doi: 10.1136/jnnp.39.4.381.

'Sneeze syncope', basilar invagination and Arnold-Chiari type I malformation

J J Corbett, A B Butler, B Kaufman
Case Reports

'Sneeze syncope', basilar invagination and Arnold-Chiari type I malformation

J J Corbett et al. J Neurol Neurosurg Psychiatry. 1976 Apr.

Abstract

Syncope precipitated by sneezing in an adult male associated with an Arnold-Chiari type I malformation and basilar invagination presents a clinical problem in the differential diagnosis and pathological anatomy of Valsalva-related syncope. An abnormally acute clivoaxial angle, small foramen magnum, and type I Arnold-Chiari malformation appear to be a combination of features intolerant of Valsalva-induced changes in cerebral volume, brain-stem position, CSF fluid dynamics, or blood vessel relationships. Proposed mechanisms of pressure transmission to the area of intracranial pathology are discussed.

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References

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    1. Am J Med. 1957 Feb;22(2):197-212 - PubMed
    1. J Neurosurg. 1974 Apr;40(4):524-8 - PubMed
    1. J Neurol Neurosurg Psychiatry. 1972 Aug;35(4):468-73 - PubMed

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