Cannabis use and first-episode psychosis – relationship to manic and psychotic symptoms, and to age at presentation Running Title: Cannabis and first-episode psychosis
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منابع مشابه
Cannabis use and first-episode psychosis: relationship with manic and psychotic symptoms, and with age at presentation.
BACKGROUND Cannabis use has been reported to be associated with an earlier onset of symptoms in patients with first-episode psychosis, and a worse outcome in those who continue to take cannabis. In general, studies have concentrated on symptoms of psychosis rather than mania. In this study, using a longitudinal design in a large naturalistic cohort of patients with first-episode psychosis, we i...
متن کاملCannabis Use Is Associated With Increased Psychotic Symptoms and Poorer Psychosocial Functioning in First-Episode Psychosis: A Report From the UK National EDEN Study.
OBJECTIVE The use of cannabis during the early stage of psychosis has been linked with increased psychotic symptoms. This study aimed to examine the use of cannabis in the 12 months following a first-episode of psychosis (FEP) and the link with symptomatic course and outcome over 1 year post psychosis onset. DESIGN AND SETTING One thousand twenty-seven FEP patients were recruited upon incepti...
متن کاملThe Effect of Cannabis Use and Cognitive Reserve on Age at Onset and Psychosis Outcomes in First-Episode Schizophrenia
OBJECTIVE Cannabis use is associated with a younger age at onset of psychosis, an indicator of poor prognosis, but better cognitive function, a positive prognostic indicator. We aimed to clarify the role of age at onset and cognition on outcomes in cannabis users with first-episode schizophrenia as well as the effect of cannabis dose and cessation of use. METHODS Ninety-nine patients without ...
متن کاملCannabis use predicts shorter duration of untreated psychosis and lower levels of negative symptoms in first-episode psychosis: a South African study.
OBJECTIVE Cannabis use/abuse is a common co-morbid problem in patients experiencing a first episode of psychotic illness (FEP). The relationship between the clinical presentation of FEP and cannabis abuse is complex and warrants further investigation, especially within the South African context. METHOD We tested associations between recent/current cannabis use and duration of untreated psycho...
متن کاملPre-morbid Conduct Disorder symptoms are associated with cannabis use among individuals with a first episode of psychosis.
BACKGROUND Early cannabis use has consistently been associated with an increased risk for the later development of psychosis. Studies suggest that Conduct Disorder (CD) is more common amongst young people who later go on to develop psychosis. CD has been associated with greater and earlier cannabis use in general population samples. Based on this evidence, we hypothesised that among patients ex...
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