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Lookup NU author(s): Dr Timothy Cassidy, Dr David Bruce, Professor Christopher Gray
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The purpose of this study was to examine the recovery of visual field deficits after first-ever stroke and to determine the accuracy of standard clinical assessment using oculokinetic perimetry. Of 148 patients with a hemisphere stroke and a normal conscious level, 75 (50.6%) were found to have a visual field deficit by clinical examination. Only 19 (11 women) stroke patients with visual field deficits were able to complete a perimetric examination within 1 week of their stroke. They were followed-up for a period of 12 weeks with serial clinical and perimetric examinations every 4 weeks. Clinical assessment of the patient failed to note further recovery after 4 weeks. By using oculokinetic perimetry, 8 (42.1%) patients recovered central vision but had a persistent peripheral field loss; maximal recovery of central vision was noted in the first 4 weeks. By using oculokinetic perimetry as the gold standard, the sensitivity of clinical assessment of visual field deficits was 94.4% on admission. The sensitivity fell to 55.5% during follow-up because of the clinicians' inability to detect central recovery by confrontation. The small numbers recruited show the difficult in recruiting acute stroke patients in measurements of recovery. Copyright © 2001 by National stroke Association.
Author(s): Cassidy TP, Bruce DW, Gray CS
Publication type: Article
Publication status: Published
Journal: Journal of Stroke and Cerebrovascular Diseases
Year: 2001
Volume: 10
Issue: 3
Pages: 113-117
ISSN (print): 1052-3057
ISSN (electronic): 1532-8511
Publisher: W.B. Saunders Co.
URL: http://dx.doi.org/10.1053/jscd.2001.25457
DOI: 10.1053/jscd.2001.25457
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