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[Sleep disturbance and cognitive dysfunction in patients with persistent postural and perceptual dizziness].


ABSTRACT: OBJECTIVE:To study sleep quality and cognitive status and their correlation in patients with persistent postural and perceptual dizziness (PPPD). METHODS:We assessed sleep quality and cognitive function among 70 patients with PPPD and 70 age-matched heathy volunteers using Mini-Mental State Examination (MMSE), Montreal Cognitive Assessment (MoCA), Pittsburgh Sleep Quality Index and polysomnography (PSG). RESULTS:The patients had a mean MMSE score of 25.10±3.87 and a mean MoCA score of 23.10±6.11, both suggesting mild cognitive impairment of the patients. The mean PSQI score of the patients was 14.60 ± 2.06, suggesting moderate insomnia among the patients. The MMSE scores in 3 dimensions (attention, memory and recall ability) and the dimension scores of MoCA for visual space and executive ability, attention and delayed recall all showed significant positive correlations with PSQI scores for sleep quality, sleep latency, sleep duration, sleep efficiency, sleep disorders and daytime dysfunction. CONCLUSIONS:Moderate sleep disorder and mild cognitive dysfunction are common in PPPD patients. Sleep quality is correlated with cognitive function among these patients, suggesting that improving sleep quality of the patients helps to improve their cognitive function.

SUBMITTER: Mei J 

PROVIDER: S-EPMC7040755 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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[Sleep disturbance and cognitive dysfunction in patients with persistent postural and perceptual dizziness].

Mei Juhua J   Zhang Qi Q   Gong Xue X   Xu Jinmei J   Pan Songbin S   Pan Xiaofeng X   Wang Junli J   Liu Minzhen M  

Nan fang yi ke da xue xue bao = Journal of Southern Medical University 20200101 1


<h4>Objective</h4>To study sleep quality and cognitive status and their correlation in patients with persistent postural and perceptual dizziness (PPPD).<h4>Methods</h4>We assessed sleep quality and cognitive function among 70 patients with PPPD and 70 age-matched heathy volunteers using Mini-Mental State Examination (MMSE), Montreal Cognitive Assessment (MoCA), Pittsburgh Sleep Quality Index and polysomnography (PSG).<h4>Results</h4>The patients had a mean MMSE score of 25.10±3.87 and a mean Mo  ...[more]

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