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  • Title: [Comparison of 2 depression scales and their relationship with negative and akinetic symptoms in stabilized schizophrenic patients].
    Author: Langlois-Thery S, Dollfus S, Lesieur P, Petit M.
    Journal: Encephale; 1994; 20(5):487-93. PubMed ID: 7828511.
    Abstract:
    Since the Bleuler's early writings, studies in schizophrenia have often shown a frequent occurrence of depression in the context of schizophrenia and also its implications for the morbidity and mortality of schizophrenic patients. The wide variability in the prevalence of depression (between 7 to 70% in post-psychotic period) is due in part to the difficulty in clearly separating depressive symptoms from akinesia induced by neuroleptic or negative symptoms and to the lack of a valid assessment of depressive symptoms in schizophrenic patients. Under these conditions, a better understanding of depressive symptomatology in schizophrenia seems to be necessary to go further in this area of research with clinical and therapeutical purposes. The "Echelle de Ralentissement Dépressif" (ERD, Widlöcher, 1983) was studied in a sample of 53 schizophrenic patients to determinate whether ERD composed of three subscores (motor, ideic and subjective) could be able to evaluate the subjective depressive symptomatology and whether its measure would be independent of negative symptoms or akinesia. Pearson's correlations and correlations with variables partialled out were used to compare ERD to Montgomery and Asberg Depression Rating Scale (MADRS, 1979) and to establish their relationship with Positive And Negative Syndrome Scale (PANSS< Kay, 1987) and an Extrapyramidal Symptom Rating Scale (ESRS, Chouinard & Ross-Chouinard, 1980). Fifty three in or outpatients (35 males and 18 females, mean age +/- standard deviation = 38.26 +/- 9.82) were evaluated in a stable condition (i.e., when the psychotic symptomatology and the neuroleptic treatment have been stabilized since 4 weeks). According to DESM III-R criteria, 49 patients met the diagnosis of schizophrenia (2 schizoaffective disorders and 2 schizophreniform disorders).(ABSTRACT TRUNCATED AT 250 WORDS)
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