Indian Journal of PsychiatryIndian Journal of Psychiatry
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ORIGINAL ARTICLE
Year : 2020  |  Volume : 62  |  Issue : 1  |  Page : 51-58

Clinical correlates of obsessive-compulsive disorder comorbidity in patients with schizophrenia


1 Department of Psychiatry, Faculty of Medicine, Health Sciences University, Dışkapı Yıldırım Beyazıt Research and Training Hospital, Ankara, Turkey
2 Department of Psychiatry, Faculty of Medicine, Health Sciences University, Gülhane Research and Training Hospital, Ankara, Turkey

Correspondence Address:
Dr. Ahmet Kokurcan
Department of Psychiatry, Faculty of Medicine, Health Sciences University, Dışkapı Yıldırım Beyazıt Research and Training Hospital, Ankara
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/psychiatry.IndianJPsychiatry_268_19

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Background/Aim: The primary aim of this study was to evaluate the clinical correlates of obsessive-compulsive disorder (OCD) comorbidity in patients with schizophrenia. Materials and Methods: This study included fifty schizophrenia patients with an existing OCD comorbidity and 200 schizophrenia patients who did not have an OCD diagnosis for a lifetime. The participants were administered Brief Psychiatric Rating Scale (BPRS), Clinical Global Impressions Severity Scale (CGI-S), Scale for the Assessment of Positive and Negative Symptoms (SAPS/SANS), Calgary Depression Scale for Schizophrenia (CDSS), Yale–Brown Obsessive Compulsive Scale, and Global Assessment of Functioning Scale. Results: Patients with OCD comorbidity had higher BPRS, SANS, and CGI-S scores compared to patients without OCD. In addition, patients with OCD showed worse functional impairment; however, sociodemographic variables, SAPS, CDSS, and insight scores did not show a significant difference depending on the presence of OCD. The present study also showed higher negative and depressive symptoms in patients with preexisting OCD compared to those manifesting OCD during the course of schizophrenia. Conclusions: In this study, patients with schizophrenia and OCD comorbidity showed different clinical features compared to those not showing an OCD presence for a lifetime. In this study, positive symptoms were not determinative in the differentiation of patients with and without OCD. It is important to assess OCD symptoms in patients with schizophrenia, and psychosocial therapies should be provided in patients with OCD to improve negative symptoms and functionality. Patients with preexisting OCD displayed more severe symptoms and seemed to require a different clinical approach in treatment.



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