Severe orthostatic hypotension due to unilateral carotid artery dissection | Zendy

Nobuyuki Ishii | Zendy; Hitoshi Mochizuki | Zendy; Akitoshi Taniguchi | Zendy; Kazutaka Shiomi | Zendy; Masamitsu Nakazato | Zendy

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Severe orthostatic hypotension due to unilateral carotid artery dissection

Author(s) -

Nobuyuki Ishii,

Hitoshi Mochizuki,

Akitoshi Taniguchi,

Kazutaka Shiomi,

Masamitsu Nakazato

Publication year - 2014

Publication title -

neurology international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.39

H-Index - 16

ISSN - 2035-8377

DOI - 10.4081/ni.2014.5352

Subject(s) - medicine , orthostatic vital signs , carotid artery dissection , carotid sinus , dissection (medical) , cardiology , stenosis , baroreceptor , stroke (engine) , sinus (botany) , hemiparesis , surgery , anesthesia , angiography , blood pressure , heart rate , mechanical engineering , botany , engineering , biology , genus

A 46-year-old woman was admitted to our hospital with mild right-sided hemiparesis and orthostatic hypotension. Magnetic resonance angiography of the neck showed stenosis of the left distal carotid sinus surrounded by intraluminal hyperintensities on both T1-weighted and T2-weighted images, representing a periluminal hematoma secondary to carotid artery dissection. The dissection hyperextended the carotid artery wall and stimulated baroreceptors in the carotid sinus. The stimulated baroreceptors induced carotid sinus hypersensitivity, which may have been related to her orthostatic hypotension. Post-stroke orthostatic hypotension should prompt consideration of carotid artery dissection

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