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Asymptomatic middle cerebral artery stenosis diagnosed by magnetic resonance angiography

  • Diagnostic Neuroradiology
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Abstract

We reviewed 1440 MRA studies to identify patients with middle cerebral artery stenosis (MCAS). We identified 99 cases, and after reviewing the clinical records, classified 28 as asymptomatic MCAS (AMCAS), a prevalence of 2%. Suspected stroke was the most frequent indication for MRA. Follow-up was available for 21, mean 46.7 months (range 2.4–75.6 months). One stroke occurred in the AMCAS territory (5%), other strokes in five patients (24%). There were five deaths in patients with MCAS; age >69 ( P =0.045) was the only associated risk factor. This study suggests that patients in whom MRA is performed and shows AMCAS may be at increased risk of strokes in any vascular distribution or of death.

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Authors and Affiliations

  1. Box 3808, Duke University Medical Center, Durham, NC 27710, USA

    O. O. Zaidat

  2. Department of Neurology, University Hospitals of Cleveland/Case Western Reserve University School of Medicine Cleveland, Ohio, Cleveland, Ohio, USA

    O. O. Zaidat, E. E. Ubogu, J. A. Fernandes-Filho, J. I. Suárez & D. M. D. Landis

  3. Department of Internal Medicine, University Hospitals of Cleveland and Louis Stokes Cleveland VAMC/Case Western Reserve University School of Medicine Cleveland, Cleveland, Ohio, USA

    D. B. Zahuranec

  4. Department of Neuroradiology, University Hospitals of Cleveland and Louis Stokes Cleveland VAMC/Case Western Reserve University School of Medicine Cleveland, Cleveland, Ohio, USA

    J. L. Sunshine, R. W. Tarr, S. Mirarchi & S. G. Nour

  5. Department of Neurosurgery, University Hospitals of Cleveland/Case Western Reserve University School of Medicine Cleveland, Cleveland, Ohio, USA

    W. R. Selman

Authors
  1. O. O. Zaidat
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  2. D. B. Zahuranec
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  3. E. E. Ubogu
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  4. J. A. Fernandes-Filho
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  5. J. I. Suárez
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  6. J. L. Sunshine
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  7. R. W. Tarr
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  8. S. Mirarchi
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  9. S. G. Nour
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  10. W. R. Selman
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  11. D. M. D. Landis
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Corresponding author

Correspondence to O. O. Zaidat.

Additional information

Presented in part as an abstract at the 27 th International Stroke Meeting, San Antonio, Texas, February 2002 and the 54 th American Academy of Neurology Meeting, Denver, Colorado, April, 2002

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Zaidat, O.O., Zahuranec, D.B., Ubogu, E.E. et al. Asymptomatic middle cerebral artery stenosis diagnosed by magnetic resonance angiography. Neuroradiology 46, 49–53 (2004). https://doi.org/10.1007/s00234-003-1120-z

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  • DOI: https://doi.org/10.1007/s00234-003-1120-z

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