The 5-year course of OCS/OCD in patients with first-episode schizophrenia or related disorders is variable. OCS/OCD comorbidity was not associated with a more severe course of psychotic symptoms and relapse. Comorbid OCD was associated with more severe depressive symptoms, social dysfunction and worse premorbid functioning. Specific treatment options for schizophrenia patients with comorbid OCD are needed.
Specific interventions are needed focusing on patients living in highly urbanized areas and first generation immigrants in order to shorten patient delay. MHS should improve early detection of psychosis in patients already in treatment for other diagnosis.
These results support the clinical relevance of OCS co-morbidity in schizophrenia or related disorders and the need for research into specific interventions.
Using a strict definition of obsessive-compulsive symptoms, we found relatively low prevalence rates of obsessive-compulsive symptoms and obsessive-compulsive disorder in patients with schizophrenia or related disorders; the rates are even lower than known rates of obsessive-compulsive symptoms and obsessive-compulsive disorder in the general population. Obsessive-compulsive symptoms rates in ultra high risk subjects are comparable to those in the general population. Further investigation of the predictive validity of obsessive-compulsive symptoms in ultra high risk subjects for developing psychosis is needed. Obsessive-compulsive symptoms either develop prior, during or after the onset of first episode psychosis.
Psychiatric services should pay great attention to early outpatient intervention with supportive counseling and an appropriate attitude of the caregiver with attention for medication use. Improvement is warranted for practical assistance, help in regaining autonomy and help with physical health.
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