期刊
MOVEMENT DISORDERS
卷 20, 期 10, 页码 1310-1315出版社
WILEY-BLACKWELL
DOI: 10.1002/mds.20581
关键词
sleep; synucleinopathy; E46K mutation SNCA gene
We examined 7 patients from a family harboring a novel mutation in the a-synuclein gene (E46K) that segregated with a phenotype of parkinsonism and dementia with Lewy bodies. An abnormal restless sleep was the presenting symptom in 2 of them. Polysomnographic (PSG) studies were performed in 4 of the 7 patients and in 2 asymptomatic carriers of the mutation. A severe loss of both rapid eye movement (REM) and non-REM sleep was observed in 2 patients complaining of insomnia and in a third parkinsonian member of the family who did not complain of trouble with sleeping. Another parkinsonian family member had a mild disorganization of the sleep architecture. The 2 asymptomatic carriers also had minor changes in the PSG findings. Episodes of bizarre behavior at night were reported historically in the 2 symptomatic patients, but we did not observed the behaviors during the PSG studies. REM sleep behavior disorder could not be recorded in any case. Our findings expand the spectrum of sleep disorders reported in synucleinopathies whether sporadic or familial. (c) 2005 Movement Disorder Society.
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