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Different infarction patterns in patients with aortic atheroma compared to those with cardioembolism or large artery atherosclerosis
- Different infarction patterns in patients with aortic atheroma compared to those with cardioembolism or large artery atherosclerosis
- Kim, Seung Woo; Kim, Young Dae; Chang, Hyuk-Jae; Hong, Geu-Ru; Shim, Chi Young; Chung, Seok Jong; Hong, Jin Yong; Song, Tae-Jin; Song, Dongbeom; Bang, Oh Young; Heo, Ji Hoe; Nam, Hyo Suk
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- JOURNAL OF NEUROLOGY
- 0340-5354; 1432-1459
- vol. 265, no. 1, pp. 151 - 158
- Ischemic stroke; Aortic arch atheroma; Diffusion-weighted imaging; Transesophageal echocardiography
- SPRINGER HEIDELBERG
- SCI; SCIE; SCOPUS
- Aortic atheroma is a known cause of ischemic stroke. However, it is unclear whether ischemic stroke is caused by emboli from aortic atheroma or by accompanying atherosclerosis. In this study, we evaluated lesion patterns of patients with complex aortic plaque (CAP) to assume the underlying pathophysiology. Acute ischemic stroke patients who underwent transesophageal echocardiography were included. CAP was defined as a plaque in the proximal aorta ae<yen> 4 mm thick or with a mobile component. The diffusion-weighted imaging lesion patterns of patients with CAP were compared to those with large arterial atherosclerosis (LAA) or cardioembolism (CE). A total of 64 CAP patients, 127 LAA patients, and 80 CE patients were included. Small cortical pattern was more common in the CAP group (45.3%) than in the LAA (7.9%, p < 0.001) or the CE group (23.8%, p = 0.018). A large cortical pattern was more common in the CE group than in the CAP group (p < 0.001), whereas subcortical only pattern tended to be more common in the CAP group than in the CE group (p = 0.057). In multinominal analysis, the CAP group was more likely to have a small cortical lesion than the LAA group [odds ratio (OR) 14.63; 95% confidence interval (CI) 4.67-45.85] or the CE (OR 3.69, 95% CI 1.19-11.39) group. In conclusion, patients with CAP frequently had small cortical lesions or subcortical single lesion. These findings imply that ischemic stroke in aortic atheroma patients is associated with either small emboli or small artery disease.
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