Introduction: A growing literature suggests that obsessive-compulsive (OC) phenomena represent a distinct dimension in schizophrenia, independent of nuclear psychotic symptoms. Nevertheless, the OC psychopathologic profile in schizophrenia, compared with "pure" obsessive-compulsive disorder (OCD), has not yet been investigated extensively. This study investigated the clinical features of the OC dimension in patients with schizophrenia compared with patients with pure OCD. Methods: The main psychopathologic features of obsessions and compulsions were rated in 35 patients with schizophrenia and 31 patients with OCD, using the Structured Clinical Interview for DSM-IV Axis I Disorders, the Positive and Negative Syndrome Scale, the Yale-Brown Obsessive-Compulsive Scale, and the Leyton Obsessional Inventory. Results: OC phenomena were indistinguishable in terms of their severity, resistance, interference, and control in both groups. However, patients with OCD showed higher rates of aggressive, contamination-related, sexual, and somatic themes; moreover, in the group with schizophrenia, a positive relationship was found between washing compulsions and delusions and between hoarding obsessions and delusions. Conclusions: These results indicate that patients with schizophrenia exhibit a narrower range of obsessive content compared with patients with OCD; in addition, OC and delusional themes tend to be related in schizophrenia as a unique symptomatic phenomenon.
|Data di pubblicazione:||2016|
|Titolo:||Obsessive-compulsive symptoms in schizophrenia and in obsessive-compulsive disorder: Differences and similarities|
|Autore/i:||Tonna, Matteo; Ottoni, Rebecca; Paglia, Francesca; Monici, Alberto; Ossola, Paolo; De Panfilis, Chiara; Marchesi, Carlo|
|Digital Object Identifier (DOI):||10.1097/PRA.0000000000000131|
|Codice identificativo ISI:||WOS:000376007300005|
|Codice identificativo Scopus:||2-s2.0-84963804641|
|Codice identificativo Pubmed:||27138079|
|Tipologia||Articolo su rivista|
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