Aspiration after stroke: lesion analysis by brain MRI.
Published
Journal Article
Aspiration is a common problem following stroke, resulting in feeding difficulties and aspiration pneumonia. Despite past studies using clinical assessments and computed tomographic (CT) scans of the head, the correlation of stroke location with aspiration remains unclear. Since brain magnetic resonance imaging is more sensitive than CT for many stroke types, we have correlated MRI lesions with aspiration in patients who have sustained a stroke. We selected patients with acute stroke who underwent brain MRI and a swallowing evaluation. Aspiration was present in 21 of 38 patients (55%). Patients with just small vessel infarcts had a significantly lower occurrence of aspiration (3 of 14, 21%) compared to those with both large- and small-vessel infarcts (15 of 20, 75%, p = 0.002). Multivariate analysis of several specific brain areas failed to identify a significant association between stroke location and the occurrence of aspiration. These findings suggest that patients who have experienced stroke should be individually evaluated for swallowing dysfunction regardless of stroke location or size, since even small-vessel strokes can be associated with aspiration in greater than 20% of cases.
Full Text
Duke Authors
Cited Authors
- Alberts, MJ; Horner, J; Gray, L; Brazer, SR
Published Date
- 1992
Published In
Volume / Issue
- 7 / 3
Start / End Page
- 170 - 173
PubMed ID
- 1499361
Pubmed Central ID
- 1499361
International Standard Serial Number (ISSN)
- 0179-051X
Digital Object Identifier (DOI)
- 10.1007/BF02493452
Language
- eng
Conference Location
- United States