Spectrum of cognitive disorders in idiopathic normal pressure hydrocephalus.
Idiopathic normal pressure hydrocephalus (iNPH) is a syndrome characterized by ventricular dilation accompanied by a progressive triad of a gait disturbance, "dementia" and incontinence. We retrospectively evaluated cognitive profile, and its relationship with disease variables, in 64 iNPH patients. The iNPH group performed significantly worse than the control group on all neuropsychological tests, except for verbal memory (within the normal range). The patients were subdivided into four groups: group 1 (42%: global cognitive impairment); group 2 (24%: frontosubcortical dysfunction); group 3 (17%: isolated deficit of a single cognitive domain); group 4 (17%: no cognitive impairment). Group 1 was older, with a significantly longer disease duration and more severe motor disease, while groups 3 and 4 were younger and presented milder motor impairment and a shorter disease duration. These data suggest parallel progression of cognitive and motor impairment in iNPH; early shunt surgery might prevent the development, in older age, of dementia in these patients.
Marta
M
Picascia
B
B
Minafra
Roberta
R
Zangaglia
L
L
Gracardi
N G
NG
Pozzi
E
E
Sinforiani
Claudio
C
Pacchetti
D000368:Aged; D000369:Aged, 80 and over; D000704:Analysis of Variance; D003072:Cognition Disorders / Q000175:diagnosis* / Q000209:etiology*; D005260:Female; D006801:Humans; D006850:Hydrocephalus, Normal Pressure / Q000150:complications*; D008297:Male; D008609:Mental Status Schedule; D009483:Neuropsychological Tests; D012189:Retrospective Studies; D012720:Severity of Illness Index
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