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Prevalence of Obsessive-Compulsive Disorder in Schizophrenia and Significance of Motor Symptoms

Received January 3, 1999; revised May 3, 1999; accepted May 20, 1999. From the Division of General Psychiatry, Department of Psychiatry, Zentrum für Psychiatrie und Psychotherapie der Ruhr-Universität Bochum, Germany. Address correspondence to Dr. Bräunig, Head, Klinik für Psychiatrie, Verhaltensmedizin und Psychosomatik, Klinikum Chemnitz, University-affiliated Hospital of the University of Leipzig, Dresdner Str. 178, 09131 Chemnitz, Germany; e-mail: P.Braeunig{at}skc.de

To investigate the differences between schizophrenic subjects with and without obsessive-compulsive disorder (OCD), the authors systematically assessed 76 schizophrenic subjects for OCD. Subjects with and without OCD were then compared with regard to motor symptoms, including catatonia, and several measures of psychopathology. Treatment strategies were evaluated retrospectively. The 12 subjects with OCD (15.8%) had more motor symptoms, including catatonia, than non-OCD schizophrenic subjects. Some differences were found with regard to psychopathological symptoms. Treatment strategies also differed in the two groups. The high prevalence of motor symptoms in these subjects supports the hypothesis of a basal ganglia–frontal lobe connection linking OCD with schizophrenia.

Key Words: ObsessiveCompulsive Disorder • Schizophrenia • Motor Symptoms

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