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    The characteristics of patients with type 1: intraforaminal vertebral artery anomalies

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    Authors
    Eskander, Mark S.
    Aubin, Michelle E.
    Major, Joshua W.
    Huning, Bree
    Drew, Jacob M.
    Marvin, Julianne
    Connolly, Patrick J.
    UMass Chan Affiliations
    Office of Medical Education
    Department of Orthopedics and Physical Rehabilitation
    Document Type
    Journal Article
    Publication Date
    2011-06-14
    Keywords
    Adolescent
    Adult
    Age Distribution
    Aged
    Child
    Female
    Humans
    Incidence
    Male
    Middle Aged
    Risk Assessment
    Risk Factors
    United States
    Vertebral Artery
    Young Adult
    Life Sciences
    Medicine and Health Sciences
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    Link to Full Text
    http://dx.doi.org/10.3928/01477447-20110427-09
    Abstract
    In a previous study, intraforaminal anomalies were found to occur at a rate of 7.6%. This increases the risk of injury to this vessel if the surgeon is unaware of such abnormalities preoperatively. The aim of our retrospective study was to identify patient factors that may predict anomalous intraforaminal vertebral arteries. Patient records were obtained from a previous study. In that study, the records of each consecutive patient who underwent cervical spine magnetic resonance imaging (MRI) for axial neck pain, radiculopathy, or myelopathy between January 2007 and January 2008 were reviewed. The social and medical histories of each patient were evaluated with respect to the presence or absence of an aberrant vertebral artery. We reviewed the medical records of the 250 patients whose MRIs were reviewed in the previous study. Seven patients were excluded for incomplete records. Chi-square and Fisher's exact tests were performed to compare the normal vertebral artery anatomy patients to the aberrant patients. The medical records of 19 patients with aberrant vertebral arteries and 224 patients with normal vertebral arteries were reviewed. The aberrant group was significantly older than the normal group (P=.00015). The only diagnostic condition that represented a statistically significant difference between the 2 groups was incidence of cancer. A relationship may exist between patient age, cancer, and medialization of the vertebral artery. The mechanism of this possible relationship is unclear. Although aberrant vertebral arteries are rare, a surgeon should have raised suspicion of this possibility in patients with a history of cancer.
    Source
    Orthopedics. 2011 Jun 14;34(6):184. doi: 10.3928/01477447-20110427-09. Link to article on publisher's site
    DOI
    10.3928/01477447-20110427-09
    Permanent Link to this Item
    http://hdl.handle.net/20.500.14038/49202
    PubMed ID
    21667905
    Related Resources
    Link to Article in PubMed
    ae974a485f413a2113503eed53cd6c53
    10.3928/01477447-20110427-09
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