Volume 25, Issue 1 (Apr 2017)                   JSSU 2017, 25(1): 42-51 | Back to browse issues page

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Rahmatinejad P, Mohammadi S, Noruzinejad G, Ashtian M, Haghverdi A. The Abundance of Obsessive-Compulsive Disorder in Schizophrenia Spectrum Disorders: Diagnostic Validity of Schizo-Obsessive Subtype. JSSU. 2017; 25 (1) :42-51
URL: http://jssu.ssu.ac.ir/article-1-3969-en.html
Abstract:   (4691 Views)

Introduction: On the basis of research and clinical observations, obsessive –compulsive disorder (OCD) and obsessive –compulsive symptoms (OCS) occur in a considerably high proportion of patients with schizophrenia spectrum disorders. According to the results of different epidemiological studies, investigators suggest schizo-obsessive subtype. The aim of the study was to evaluate diagnostic validity of schizo-obsessive subtype by determining the prevalence of OCD/ OCS in the patients with schizophrenia spectrum disorders and its relation to some of clinical characteristics of these patients.

Methods: A total of 91 patients with the diagnosis of schizophrenia spectrum disorder were assessed via the Diagnostic and Statistical Manual, fifth edition (DSM-V) using Yale-Brown Obsessive Compulsive Scale. Data were analyzed using descriptive statistics, x2 and independent t-test.

Results: Results showed that the prevalence of OCS in this study was 47.17% and the prevalence of OCD was 18.66%. Obsessive compulsive contamination had the highest prevalence in this sample. Compared with psychotic patients without OCD/OCS, the patients with OCD/COS had earlier onset of psychosis, higher numbers of hospitalizations and higher numbers of drugs and suicide attempts. Also, the prevalence of OCD/OCS in the patients with first-episode psychosis was 15.62%.

Conclusion: Based on the results of this study, it seems that schizo-obsessive subtype has diagnostic validity. To confirm this hypothesis, it is necessary that longitudinal studies are planned from early stages of psychosis to long-term consequences.

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Type of Study: Original article | Subject: Psychology
Received: 2016/11/19 | Accepted: 2017/03/11 | Published: 2017/06/11

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