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06:01
A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
Published on: August 18, 2015
Stroke registry: hemorrhagic vs ischemic strokes.
Joseph R Shiber1, Emily Fontane, Ademola Adewale
1University of Central Florida, Orlando, 32803, USA. shiberj@bellsouth.net
The American Journal of Emergency Medicine
|March 13, 2010
Summary
Hemorrhagic stroke incidence appears higher than previously reported, with 41.9% of cases in a recent study. This may reflect improved diagnostics or increased use of blood-thinning medications.
Area of Science:
- Neurology
- Epidemiology
- Public Health
Background:
- Previous stroke studies (1970s-1980s) reported ischemic stroke at 73-86% and hemorrhagic stroke at 8-18%.
- Anecdotal clinical observations suggested a higher proportion of hemorrhagic strokes than historical data indicated.
Purpose of the Study:
- To compare the incidence of ischemic versus hemorrhagic stroke in a contemporary patient population.
- To investigate potential reasons for observed discrepancies with historical stroke data.
Main Methods:
- A retrospective review of all stroke patients discharged from a regional stroke center over one year.
- Analysis of stroke type (ischemic vs. hemorrhagic) based on hospital records.
Main Results:
- A total of 757 patients were included in the study.
- Hemorrhagic strokes accounted for 41.9% of cases, while ischemic strokes comprised 58.1%.
Conclusions:
- The observed percentage of hemorrhagic strokes was significantly higher than predicted by earlier epidemiologic studies.
- Potential explanations include improved computed tomographic (CT) scan availability leading to better detection, or increased use of antiplatelet agents and warfarin.
- Further research is warranted to elucidate the contributing factors to this shift in stroke type prevalence.
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