Idiopathic normal pressure hydrocephalus (INPH) is a treatable disease of the elderly, typically causing gait impariment, dementia and urinary incontinence. The objective of this study is to make an epidemiological survey of INPH in Umeå, Sweden. Subjects with self-perceived gait impairments will be identified through a questionnaire. They will go through clinical examinations and have an MRI of the brain. A control population will also be investigated to enable comparisons between the populations. The main hypothesis is that the prevalence of INPH in the population is higher than what is previoulsy known.
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Number of participants with Idiopathic Normal Pressure Hydrocephalus
Timeframe: Through study completion, an average of approximately 1 month.