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Prognosis of asympt...
Prognosis of asymptomatic stenosis of the middle cerebral artery
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- Kremer, Christine (author)
- Lund University,Lunds universitet,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine
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Schaettin, T (author)
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Georgiadis, D (author)
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Baumgartner, R W (author)
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(creator_code:org_t)
- BMJ, 2004
- 2004
- English.
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In: Journal of Neurology, Neurosurgery and Psychiatry. - : BMJ. - 1468-330X .- 0022-3050. ; 75:9, s. 1300-1303
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Abstract
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- BACKGROUND: The risk of ischaemic events in asymptomatic intracranial atherosclerosis is unknown. OBJECTIVE: To follow up patients with asymptomatic atherosclerotic middle cerebral artery stenosis (MCAS) to evaluate the long term stroke risk in its territory. METHODS: Consecutive white patients with asymptomatic atherosclerotic MCAS were enrolled. Patients with MCAS of possible or proven non-atherosclerotic origin were excluded. MCAS was assessed by transcranial colour duplex sonography according to published angiography validated criteria. Medical treatment was given at the discretion of the treating physician. RESULTS: 50 patients were included and followed for (mean (SD)) 815 (351) days; three were lost to follow up. MCAS was < 50% in 38 and > or = 50% in 12. No patient suffered an ischaemic event in the MCAS territory; one had a transient ischaemic attack in the contralateral hemisphere. Three patients died, one from a subdural haematoma in the contralateral hemisphere, and two from non-stroke-related causes. Medical treatment at baseline included antithrombotic drugs in 42 cases (antiplatelet agent, n = 39; warfarin, n = 3), and statins in 22; at the end of follow up 45 of the 47 survivors were on antithrombotic drugs (antiplatelet agent, n = 37; warfarin, n = 8), and 30 were on statins. CONCLUSIONS: Asymptomatic MCAS of atherosclerotic origin appears to have a benign long term prognosis with a low risk of ipsilateral stroke in medically treated white patients.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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