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Computed tomography in reversible ischaemic attacks: clinical and prognostic correlations in a prospective study

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Summary

Two hundred and nineteen patients admitted with reversible atherothrombotic ischaemic attacks were prospectively evaluated by computed tomography. Of these patients, 122 were diagnosed as suffering from transient ischaemic attacks, 58 from reversible ischaemic neurological deficits and 39 from reversible ischaemic neurological deficits with incomplete resolution. In 133 cases the ischaemic event affected the carotid system, in 63 the vertebrobasilar system and in 23 cases the system could not be determined. Brain infarctions were observed in 64 patients (29.2%), cerebral atrophy in 96 (44.4%) and dilatation of a ventricle in 17 (7.8%). The frequency of brain infarction was related to the duration of the neurological deficit, being 20.5% in those with transient ischaemic attacks, 37.9% in those with reversible ischaemic neurological deficits and 43.6% in patients with reversible ischaemic neurological deficits with incomplete resolution (P=0.005). Ischaemic lesions were closely correlated with abnormalities on supra-aortic trunk angiography or Doppler ultrasonography. During an average follow-up period of 21 months, a higher percentage of recurrence was found in those patients with CT infarctions, but the difference was not significant.

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Authors and Affiliations

  1. Departments of Neurology and Neuroradiology, Hospital Valle Hebrón, E-08320, Barcelona, Spain

    A. Dávalos, J. Matías-Guiu, O. Torrent, J. Torrent & A. Codina

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  1. A. Dávalos
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  2. J. Matías-Guiu
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  3. O. Torrent
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  4. J. Torrent
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  5. A. Codina
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Dávalos, A., Matías-Guiu, J., Torrent, O. et al. Computed tomography in reversible ischaemic attacks: clinical and prognostic correlations in a prospective study. J Neurol 235, 155–158 (1988). https://doi.org/10.1007/BF00314306

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  • DOI: https://doi.org/10.1007/BF00314306

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