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Distinct risk factors for obsessive and compulsive symptoms in chronic schizophrenia

Fernández Egea, Emilio ; Worbe, Yulia ; Bernardo Arroyo, Miquel ; Robbins, Trebor W

Cambridge University Press 2018-12

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  • Título:
    Distinct risk factors for obsessive and compulsive symptoms in chronic schizophrenia
  • Autor: Fernández Egea, Emilio ; Worbe, Yulia ; Bernardo Arroyo, Miquel ; Robbins, Trebor W
  • Assuntos: Clinical psychology ; Esquizofrènia ; Psicologia clínica ; Psiquiatria ; Psychiatry ; Schizophrenia
  • Notas: Articles publicats en revistes (Medicina)
    Reproducció del document publicat a: https://doi.org/10.1017/S003329171800017X
    29455687
    0033-2917
    Psychological Medicine, 2018, vol. 48, num. 16, p. 2668-2675
    https://doi.org/10.1017/S003329171800017X
    http://hdl.handle.net/2445/154883
    679660
  • Descrição: BACKGROUND: Obsessive-compulsive disorder (OCD) is common in clozapine-treated patients although the actual prevalence, phenomenology and risk factors remain unclear. The aim of the present study was to address the three aforementioned questions. METHODS: The electronic records of a large cohort of clozapine-medicated schizophrenia patients routinely screened for OCD were used. The Obsessive Compulsive Inventory Revised version (OCI-R) was available from 118 cases and a 21 points cut-off threshold for OCD was defined. RESULTS: OCD prevalence was 47%, higher in patients on poly-pharmacy than on monotherapy (64% vs 31%; p = 0.001). Two OCI-R factors had significantly higher scores and distinct risk factors: checking behaviour (mean = 5.1; SD = 3.6) correlated with length of clozapine treatment (r = 0.21; p = 0.026), and obsessing factor (mean = 4.8; SD = 3.6) correlated with psychosis severity (r = 0.59; p = 0.001). These factors along with total OCI-R, did not correlate with either clozapine dose or plasma levels, after correcting for psychosis severity. CONCLUSIONS: Screening for OCD in clozapine patients, and probably in those treated with structurally similar drugs with potent antiserotoninergic properties, should be widely adopted by clinicians. Further research is needed to understand the pathophysiology underlying repetitive behavior onset in clozapine-treated patients.
  • Editor: Cambridge University Press
  • Data de criação/publicação: 2018-12
  • Idioma: Inglês
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