Do Characteristics of Dissection Differ between the Posterior Inferior Cerebellar Artery and the Vertebral Artery?

Objective The purpose of this study was to clarify the features of posterior inferior cerebellar artery (PICA) dissection. Materials and Methods We prospectively registered 93 consecutive patients and 108 arteries with confirmed diagnoses of dissection in the vertebral artery (VA) or PICA between Fe...

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Bibliographic Details
Published in:Journal of stroke and cerebrovascular diseases 2014-11, Vol.23 (10), p.2857-2861
Main Authors: Matsumoto, Juntaro, MD, Ogata, Toshiyasu, MD, Abe, Hiroshi, MD, Higashi, Toshio, MD, Takano, Koichi, MD, Inoue, Tooru, MD
Format: Article
Language:English
Subjects:
Adult
Aged
Aneurysm, Dissecting - complications
Aneurysm, Dissecting - diagnosis
Aneurysm, Dissecting - therapy
Angiography, Digital Subtraction
Cardiovascular
Cerebellum - blood supply
Cerebral Angiography - methods
Cerebral Arteries - diagnostic imaging
Cerebral Arteries - pathology
Cerebral Arteries - surgery
dissection
Endovascular Procedures
Female
Humans
Intracranial Aneurysm - complications
Intracranial Aneurysm - diagnosis
Intracranial Aneurysm - therapy
Magnetic Resonance Angiography
Male
Middle Aged
Neurology
Neurosurgical Procedures
Posterior inferior cerebellar artery
Prognosis
Prospective Studies
Risk Factors
Subarachnoid Hemorrhage - diagnosis
Subarachnoid Hemorrhage - etiology
vertebral artery
Vertebral Artery Dissection - complications
Vertebral Artery Dissection - diagnosis
Vertebral Artery Dissection - therapy
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Summary:Objective The purpose of this study was to clarify the features of posterior inferior cerebellar artery (PICA) dissection. Materials and Methods We prospectively registered 93 consecutive patients and 108 arteries with confirmed diagnoses of dissection in the vertebral artery (VA) or PICA between February 2007 and January 2014. Patients were diagnosed with arterial dissection when they had both acute symptoms and radiological characteristics in magnetic resonance imaging or digital subtraction angiography. Patients were divided into 2 groups depending on whether the site of dissection was VA (VA group) or PICA (PICA group). We compared the clinical and radiological characteristics and clinical outcomes of PICA versus VA dissection. Results Of the 93 patients included in this study, 83 were in the VA group, and 10 had arterial dissection in the PICA. Patients with PICA dissection more frequently suffered from SAH ( P  
ISSN:1052-3057
1532-8511
DOI:10.1016/j.jstrokecerebrovasdis.2014.07.013