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Predictors of cognitive impairment in multiple system atrophy
Masahiro Hatakeyama1, Tomoe Sato1, Tetsuya Takahashi1
1Department of Neurology, Brain Research Institute, Niigata University, Japan.
Journal of the Neurological Sciences
|April 9, 2018
Summary
Predictors of cognitive impairment in multiple system atrophy (MSA) include disease duration and autonomic dysfunction. High residual urine volume significantly predicts rapid cognitive decline in MSA patients.
Area of Science:
- Neurology
- Neuroscience
- Medical Research
Background:
- Multiple system atrophy (MSA) is a progressive neurodegenerative disorder.
- Cognitive impairment and frontal dysfunction are common in MSA patients.
- Identifying predictors is crucial for patient management.
Purpose of the Study:
- To identify predictors of cognitive impairment and frontal dysfunction in patients with MSA.
- To analyze factors associated with declines in Mini-Mental State Examination (MMSE) and Frontal Assessment Battery (FAB) scores.
Main Methods:
- Recruited 59 patients diagnosed with MSA.
- Assessed cognitive function using MMSE and FAB.
- Correlated cognitive scores with clinical and imaging variables.
Main Results:
- MMSE scores correlated negatively with disease duration, Unified MSA Rating Scale (UMSARS) scores, and residual urine volume.
- FAB scores correlated negatively with UMSARS part 2, periventricular hyperintensity, and deep white matter hyperintensity.
- High residual urine volume predicted rapidly progressive cognitive impairment.
Conclusions:
- Global cognitive impairment in MSA is linked to disease duration, disability, and autonomic dysfunction.
- Frontal dysfunction is associated with motor deficits and white matter degeneration.
- Residual urine volume is a key predictor of cognitive decline in MSA.
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