Artery_of_Percheron

Artery of Percheron

Artery of Percheron

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The artery of Percheron (AOP) is a rare anatomical variation in the brain vascularization in which a single arterial trunk arises from the posterior cerebral artery (PCA) to supply both sides of the thalamus and midbrain.

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Clinical significance

The functions of the thalamus and midbrain include the regulation of consciousness, sleep and alertness. Occlusion of the artery of Percheron, for example by a clot, could result in a posterior circulation infarct impairing structures on both sides of the brain. This can produce a bizarre disturbance such as sleep from which the patient cannot be awakened.[1]

History

The artery of Percheron was first described in 1973 by the French medical scientist Gerard Percheron.[2][3][4]

References

  1. [1]
    Sanders, Lisa (February 3, 2012). "Think Like a Doctor: Sleeping Wife Solved!". The New York Times.
  2. [2]
    Percheron G (August 1973). "The anatomy of the arterial supply of the human thalamus and its use for the interpretation of the thalamic vascular pathology". Zeitschrift für Neurologie. 205 (1): 1–13. doi:10.1007/BF00315956. PMID 4126735. S2CID 832292.
  3. [3]
    Agarwal N, Chaudhari A, Hansberry DR, Prestigiacomo CJ (January 2014). "Redefining thalamic vascularization vicariously through gerald percheron: a historical vignette". World Neurosurgery. 81 (1): 198–201. doi:10.1016/j.wneu.2013.01.030. PMID 23314026.
  4. [4]
    IV. The Parenchymal Blood Vessels of the Upper Brainstem, Its Nuclear Configuration and Vascular Supply (1976). The Upper Brainstem in the Human. Springer Berlin Heidelberg: Benno Schlesinger. pp. 175–238. ISBN 978-3-642-66257-7.
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