Cerebrovascular diseases
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Cerebrovascular diseases · Jan 2002
Comparative StudyImprovement in stroke quality management by an educational programme.
Time after symptom onset in ischaemic stroke has to be as short as possible to increase success of treatment. We prospectively analysed latencies from symptom onset until the start of therapy and the rate of thrombolysis in 196 patients with suspected stroke sequentially admitted to the hospital before (6 weeks prior, n = 83) and after (n = 113) initiating an educational stroke programme (EP). ⋯ The mean pre-hospital time interval from symptom onset until admission was significantly decreased by nearly 2 h (p < 0.05). Thrombolytic therapy frequencies increased from 2 to 10.5% (p < 0.01) because the overall mean time interval from admission to the start of therapy significantly decreased (p < 0.01) by 69 min after the EP, with increasing numbers of patients suitable for acute stroke therapies within a 0- to 3-hour treatment window.
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Cerebrovascular diseases · Jan 2002
Dynamic single-section CT demonstrates reduced cerebral blood flow in acute intracerebral hemorrhage.
Optimum blood pressure (BP) management in acute intracerebral hemorrhage (ICH) remains controversial. BP reduction may limit hematoma expansion, but may also exacerbate ischemia. Reduced regional cerebral blood flow (rCBF) has been reported in ICH. ⋯ We conclude that CTP identifies a rim of reduced rCBF in ICH. A gradient of hypoperfusion appears to extend at least 4 mm beyond the hematoma edge and may be time dependent. Whether reduced CBF is associated with perihematoma ischemia requires additional study.
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Cerebrovascular diseases · Jan 2002
Comparative StudyEarly detection of cerebral arterial occlusion on magnetic resonance angiography: predictive value of the baseline NIHSS score and impact on neurological outcome.
The presence of a thrombus on initial arteriography is directly related to the baseline NIHSS score. Magnetic resonance angiography (MRA) offers a noninvasive and rapid assessment of large cerebral vessel patency. We aimed at evaluating (1) the baseline NIHSS score as a tool for predicting the likelihood of an occluded artery on MRA and (2) the course of stroke within the first week according to the presence of a cerebral arterial occlusion. ⋯ Median day 0, day 1 and day 7 NIHSS score were, respectively, 18, 16 and 13 in patients who had an occlusion versus 7, 4 and 0 in patients who had no visible occlusion (p < 0.01). A direct relation between the baseline NIHSS score and the likelihood of the presence of an occlusion on initial MRA is demonstrated. The presence of a cerebral arterial occlusion on MRA is significantly linked to a poor neurological outcome.
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Cerebrovascular diseases · Jan 2002
Comparative StudyBlood pressure in acute stroke. The Copenhagen Stroke Study.
This study examines blood pressure (BP) and independent factors related to BP in the acute phase of stroke. The study is part of the community-based Copenhagen Stroke Study. In a multivariate regression model we analyzed the impact of clinical and medical factors on admission BP. ⋯ BP is not related to stroke severity. Several factors are independently related to the BP level in acute stroke. The clinical significance of this is yet to be tested, but these factors may contribute to the seemingly complex relation between BP and outcome.