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  • Title: Psychiatric comorbidity in first episode schizophrenia: a 2 year, longitudinal outcome study.
    Author: Sim K, Chua TH, Chan YH, Mahendran R, Chong SA.
    Journal: J Psychiatr Res; 2006 Oct; 40(7):656-63. PubMed ID: 16904688.
    Abstract:
    OBJECTIVE: We have previously documented a high prevalence of Axis I psychiatric comorbidity in our patients with first episode psychosis. This study sought to determine the longitudinal impact of Axis I psychiatric comorbidity on patients with first episode schizophrenia (FES) and we hypothesised that patients with psychiatric comorbidity were associated with poorer clinical and functional outcomes. METHOD: One hundred and forty two consecutively hospitalized FES patients were included. Socio-demographic information was obtained and the PANSS, SUMD, GAF, WHOQOL-Bref were used to assess psychopathology, insight, social/occupational functioning and quality of life respectively at baseline and at 6, 12, 18 and 24 months after discharge. RESULTS: Over time and compared with baseline scores, patients with Axis I psychiatric comorbidity (n=46, 32.4%) had significantly less reduction of their PANSS total and subscale scores, less improvement in their awareness of their psychiatric illnesses and symptoms at 12, 18 and 24 months and poorer insight into the consequences of their illness at 18 and 24 months. Poor insight at baseline was correlated positively with PANSS negative symptom subdomain, and negatively with GAF at 24 months. CONCLUSION: Axis I Psychiatric comorbidity was associated with worse prospective outcomes in hospitalized patients with first episode schizophrenia, and this highlights a greater need towards the early recognition and management of these conditions.
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