期刊
INTERNATIONAL JOURNAL OF STROKE
卷 13, 期 5, 页码 518-524出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1747493017730780
关键词
Cerebral small vessel disease; minor stroke; total cerebral small vessel disease burden; gait impairment; stroke impact scale; functional outcome
资金
- Chest Heart Stroke Scotland
- Wellcome Trust [088134/Z/09/A]
- Row Fogo Charitable Trust
- European Union Horizon 2020 (EU H2020), 'SVDs@Target' [PHC-03-15, 666881]
- Fondation Leducq Transatlantic Network of Excellence for Study of Perivascular Spaces in Small Vessel Disease [16 CVD 05]
- Dutch Alzheimer Foundation
- NHS Research Scotland Fellowship
- Wellcome Trust [088134/Z/09/A] Funding Source: Wellcome Trust
- Medical Research Council [UKDRI-4002] Funding Source: researchfish
Background and aims Individual MRI markers of cerebral small vessel disease are associated with gait impairment. The impact of total cerebral small vessel disease-related brain damage, expressed by a cerebral small vessel disease MRI burden score, on mobility after stroke, has not been considered, although this score gives a better representation of the overall effect of cerebral small vessel disease on the brain. We determined if the total cerebral small vessel disease burden is associated with gait impairment three years after minor stroke. Methods In total, 200 patients with minor lacunar or non-lacunar stroke (NIHSS7) underwent a brain MRI at presentation. Presence of lacunes, white matter hyperintensities, cerebral microbleeds, and perivascular spaces were summed in a total cerebral small vessel disease MRI burden score (range 0-4). Gait disturbances, measured by timed-up-and-go test and self-reported stroke impact scale mobility domain were assessed three years after stroke. We tested associations adjusted for key variables by linear regression analysis. Results Total cerebral small vessel disease burden was not associated with gait impairment after minor stroke in all patients, nor in lacunar stroke patients (n=87). In non-lacunar stroke patients (n=113), total cerebral small vessel disease burden was associated with lower stroke impact scale mobility domain scores, independent of age, vascular risk factors, and stroke severity (unstandardized B -4.61; 95% CI -8.42; -0.79, p<0.05). Conclusion Patients with non-lacunar stroke and a higher total cerebral small vessel disease burden have more subjective mobility impairment three years after stroke. The total cerebral small vessel disease MRI burden score is a possible marker to identify patients at risk for subjective gait impairment. These findings should be confirmed in larger studies.
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