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Magnetic resonance brain imaging in patients with acute stroke: feasibility and patient related difficulties

Hand, P J, Wardlaw, Joanna M, Rowat, Anne M, Haisma, J A, Lindley, R I and Dennis, Martin S (2005) Magnetic resonance brain imaging in patients with acute stroke: feasibility and patient related difficulties. Journal of Neurology Neurosurgery & Psychiatry, 76 (11). pp. 1525-1527. ISSN 0022-3050

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Abstract/Description

Objectives: To assess organisational and patient specific limitations and safety of magnetic resonance
imaging (MRI) as the first line investigation for hospital admitted stroke patients.
Methods: Consecutive patients admitted with acute stroke were assessed and an attempt was made to
perform MRI in all patients. Oxygen saturation and interventions required during scanning were recorded.
Results: Among 136 patients recruited over 34 weeks, 85 (62%) underwent MRI. The patients’ medical
instability (15 of the 53 not scanned), contraindications to MRI (six of the 53 not scanned), and rapid
symptom resolution (10 of the 53 not scanned) were the main reasons for not performing MRI. Of the 85
patients who underwent MRI, 26 required physical intervention, 17 did not complete scanning, and 11 of
the 61 who had successful oxygen saturation monitoring were hypoxic during MRI. Organisational
limitations accounted for only 13% of failures to scan.
Conclusions: Up to 85% of hospital admitted acute stroke patients could have MRI as first line imaging
investigation, but medical instability is the major limitation. Hypoxia is frequent in MRI. Patients should be
monitored carefully, possibly by an experienced clinician, during scanning.

Item Type: Article
Print ISSN: 0022-3050
Electronic ISSN: 1468-330X
Uncontrolled Keywords: Magnetic resource imaging; MRI; Acute stroke; Hypoxia
University Divisions/Research Centres: Faculty of Health, Life & Social Sciences > School of Nursing, Midwifery and Social Care
Dewey Decimal Subjects: 600 Technology > 610 Medicine & health > 610 Medicine & health
600 Technology > 610 Medicine & health > 616 Diseases
Library of Congress Subjects: R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Item ID: 1592
Depositing User: RAE Import
Date Deposited: 04 Apr 2008 15:38
Last Modified: 09 Mar 2012 16:24
URI: http://researchrepository.napier.ac.uk/id/eprint/1592

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