Minor gait impairment despite white matter damage in pure small vessel disease. Finsterwalder, S., Wuehr, M., Gesierich, B., Dietze, A., Konieczny, M. J., Schmidt, R., Schniepp, R., & Duering, M. Ann Clin Transl Neurol, 6(10):2026–2036, October, 2019. doi abstract bibtex OBJECTIVE: Gait impairment is common in patients with cerebral small vessel disease (SVD). However, gait studies in elderly SVD patients might be confounded by age-related comorbidities, such as polyneuropathy or sarcopenia. We therefore studied young patients with the genetically defined SVD CADASIL. Our aim was to examine the effects of pure SVD on single and dual task gait, and to investigate associations of gait performance with cognitive deficits and white matter alterations. METHODS: We investigated single task walking and calculatory, semantic, or motoric dual task costs in 39 CADASIL patients (mean age 50 +/- 8) using a computerized walkway. We obtained 3.0T MRI and neuropsychological data on processing speed, the main cognitive deficit in CADASIL. Spatiotemporal gait parameters were standardized based on data from 192 healthy controls. Associations between white matter integrity, assessed by diffusion tensor imaging, and gait were analyzed using both a global marker and voxel-wise analysis. RESULTS: Compared to controls, CADASIL patients showed only mild single task gait impairment, and only in the rhythm domain. The semantic dual task additionally uncovered mild deficits in the pace domain. Processing speed was not associated with gait. White matter alterations were related to single task stride length but not to dual task performance. INTERPRETATION: Despite severe disease burden, gait performance in patients with pure small vessel disease was relatively preserved in single and dual tasks. Results suggest that age-related pathologies other than small vessel disease might play a role for gait impairment in elderly SVD patients.
@article{finsterwalder_minor_2019,
title = {Minor gait impairment despite white matter damage in pure small vessel disease},
volume = {6},
issn = {2328-9503 (Electronic) 2328-9503 (Linking)},
doi = {10.1002/acn3.50891},
abstract = {OBJECTIVE: Gait impairment is common in patients with cerebral small vessel disease (SVD). However, gait studies in elderly SVD patients might be confounded by age-related comorbidities, such as polyneuropathy or sarcopenia. We therefore studied young patients with the genetically defined SVD CADASIL. Our aim was to examine the effects of pure SVD on single and dual task gait, and to investigate associations of gait performance with cognitive deficits and white matter alterations. METHODS: We investigated single task walking and calculatory, semantic, or motoric dual task costs in 39 CADASIL patients (mean age 50 +/- 8) using a computerized walkway. We obtained 3.0T MRI and neuropsychological data on processing speed, the main cognitive deficit in CADASIL. Spatiotemporal gait parameters were standardized based on data from 192 healthy controls. Associations between white matter integrity, assessed by diffusion tensor imaging, and gait were analyzed using both a global marker and voxel-wise analysis. RESULTS: Compared to controls, CADASIL patients showed only mild single task gait impairment, and only in the rhythm domain. The semantic dual task additionally uncovered mild deficits in the pace domain. Processing speed was not associated with gait. White matter alterations were related to single task stride length but not to dual task performance. INTERPRETATION: Despite severe disease burden, gait performance in patients with pure small vessel disease was relatively preserved in single and dual tasks. Results suggest that age-related pathologies other than small vessel disease might play a role for gait impairment in elderly SVD patients.},
number = {10},
journal = {Ann Clin Transl Neurol},
author = {Finsterwalder, S. and Wuehr, M. and Gesierich, B. and Dietze, A. and Konieczny, M. J. and Schmidt, R. and Schniepp, R. and Duering, M.},
month = oct,
year = {2019},
pmcid = {PMC6801180},
pmid = {31524338},
keywords = {Adult, Diffusion Tensor Imaging, Female, Humans, Male, Middle Aged, CADASIL/complications/diagnostic imaging/*pathology/*physiopathology, Cognitive Dysfunction/etiology/*physiopathology, Executive Function/*physiology, Gait Disorders, Neurologic/etiology/*physiopathology, Prospective Studies, Psychomotor Performance/*physiology, White Matter/diagnostic imaging/*pathology, Executive Function, Psychomotor Performance, White Matter, Cognitive Dysfunction, CADASIL, Gait Disorders, Neurologic},
pages = {2026--2036},
}
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Our aim was to examine the effects of pure SVD on single and dual task gait, and to investigate associations of gait performance with cognitive deficits and white matter alterations. METHODS: We investigated single task walking and calculatory, semantic, or motoric dual task costs in 39 CADASIL patients (mean age 50 +/- 8) using a computerized walkway. We obtained 3.0T MRI and neuropsychological data on processing speed, the main cognitive deficit in CADASIL. Spatiotemporal gait parameters were standardized based on data from 192 healthy controls. Associations between white matter integrity, assessed by diffusion tensor imaging, and gait were analyzed using both a global marker and voxel-wise analysis. RESULTS: Compared to controls, CADASIL patients showed only mild single task gait impairment, and only in the rhythm domain. The semantic dual task additionally uncovered mild deficits in the pace domain. Processing speed was not associated with gait. White matter alterations were related to single task stride length but not to dual task performance. INTERPRETATION: Despite severe disease burden, gait performance in patients with pure small vessel disease was relatively preserved in single and dual tasks. Results suggest that age-related pathologies other than small vessel disease might play a role for gait impairment in elderly SVD patients.","number":"10","journal":"Ann Clin Transl Neurol","author":[{"propositions":[],"lastnames":["Finsterwalder"],"firstnames":["S."],"suffixes":[]},{"propositions":[],"lastnames":["Wuehr"],"firstnames":["M."],"suffixes":[]},{"propositions":[],"lastnames":["Gesierich"],"firstnames":["B."],"suffixes":[]},{"propositions":[],"lastnames":["Dietze"],"firstnames":["A."],"suffixes":[]},{"propositions":[],"lastnames":["Konieczny"],"firstnames":["M.","J."],"suffixes":[]},{"propositions":[],"lastnames":["Schmidt"],"firstnames":["R."],"suffixes":[]},{"propositions":[],"lastnames":["Schniepp"],"firstnames":["R."],"suffixes":[]},{"propositions":[],"lastnames":["Duering"],"firstnames":["M."],"suffixes":[]}],"month":"October","year":"2019","pmcid":"PMC6801180","pmid":"31524338","keywords":"Adult, Diffusion Tensor Imaging, Female, Humans, Male, Middle Aged, CADASIL/complications/diagnostic imaging/*pathology/*physiopathology, Cognitive Dysfunction/etiology/*physiopathology, Executive Function/*physiology, Gait Disorders, Neurologic/etiology/*physiopathology, Prospective Studies, Psychomotor Performance/*physiology, White Matter/diagnostic imaging/*pathology, Executive Function, Psychomotor Performance, White Matter, Cognitive Dysfunction, CADASIL, Gait Disorders, Neurologic","pages":"2026–2036","bibtex":"@article{finsterwalder_minor_2019,\n\ttitle = {Minor gait impairment despite white matter damage in pure small vessel disease},\n\tvolume = {6},\n\tissn = {2328-9503 (Electronic) 2328-9503 (Linking)},\n\tdoi = {10.1002/acn3.50891},\n\tabstract = {OBJECTIVE: Gait impairment is common in patients with cerebral small vessel disease (SVD). 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