期刊
SCHIZOPHRENIA RESEARCH
卷 124, 期 1-3, 页码 127-133出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.schres.2010.08.013
关键词
Schizophrenia; Sleep EEG; Slow wave deficits; REM sleep; Trait marker
类别
Background Among the sleep abnormalities found in schizophrenia slow wave sleep deficits have been found to persist even after the resolution of active psychotic symptoms Further such abnormalities are observed in young healthy individuals at high risk of schizophrenia which suggest that slow wave sleep deficits might be trait marker in schizophrenia Methods Sleep EEG was recorded in 20 right handed patients aged 18-45 years with ICD-10 DCR diagnosis of schizophrenia 14 first degree relatives and 20 age and sex matched controls Patients were rated on Positive and Negative Syndrome Scale (PANSS) and Brief Psychiatric Rating Scale (BPRS) for assessment of psychopathology Results There was significant difference between the three groups in total sleep period (p< 01) total sleep time (p< 01) stage shifts (p< 05) stage 1 percentage of total sleep time (p< 05) stage 2 duration (p< 05) stage 3 latency (p< 05) stage 4 duration (p< 01) and stage 4 percentage of total sleep time (p< 01) There was significant positive correlation of REM percentage of total sleep time with BPRS total score (r(s) = 488 p = 029) and PANSS positive score (r(s) = 583 p= 007) whereas significant negative correlation of REM latency was found with BPRS total score (r(s) = 640 p= 002) and PANSS positive score (r(s) = 657 p= 002) in the patients Conclusions slow wave sleep deficits are a possible trait marker in patients with schizophrenia which needs replication in further studies (C) 2010 Elsevier B V All rights reserved
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