The prediction model identified an increased risk of psychosis with appropriate prognostic accuracy in our sample. A 2-step risk assessment is proposed, with UHR and cognitive disturbance criteria serving as first-step criteria for general risk and the prognostic index as a second-step tool for further risk classification of each patient. This strategy will allow clinicians to target preventive measures and will support efforts to unveil the biological and environmental mechanisms underlying progression to psychosis.
Cannabis abuse and particularly heavy abuse can be considered a stressor eliciting relapse in patients with schizophrenia and related disorders and possibly a premorbid precipitant.
SynopsisThe effect of in-patient and individual orientated psychosocial intervention (IPI) and in-patient and individual and family orientated intervention (IPFI) across levels of expressed emotion (EE) on relapse was compared in a group of patients with recent onset schizophrenic disorders. Patients were randomly assigned to an individual orientated psychosocial intervention programme or to an identical psychosocial programme plus a behavioural family intervention. Seventy-six patients were studied during a 12 month out-patient treatment period after an in-patient treatment programme in which parents followed a psychoeducational programme. Overall relapse rates during the out-patient interventions were low (16%). Adding family intervention to the psychosocial intervention did not affect the relapse rate. Patients in low EE families relapsed slightly more often during the psychosocial plus family intervention. In-patient treatment with psychoeducation for parents, followed by an out-patient psychosocial intervention programme, has a favourable impact on relapse. Additional family intervention may increase stress in low EE families, thus affecting relapse in their children.
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