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Query: UMLS:C0036341 (schizophrenia)
 60,220 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Dual diagnosis traditionally refers to both a psychoactive substance abuse disorder and mental illness co-existing in the same person. For this paper, mental illness will refer to those patients with a chronic major mental illness (i.e., major depression, manic depression, schizophrenia or schizoaffective illness).
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PMID:Dual diagnosis: a model for intermediate care. 771 68

This article reviews current knowledge on the interaction between 5-hydroxytryptamine (5-HT), acting at 5-HT3 receptors in the CNS, and cerebral dopamine systems. Since 1987, a growing body of behavioural, neurochemical and electrophysiological evidence from animal studies has demonstrated a clear role for 5-HT3 receptors in the modulation of activity of mesolimbic and mesocortical dopamine neurones. This evidence has led to the suggestion that 5-HT3 receptor antagonists have potential as novel antipsychotic agents and may also find use in the treatment of psychoactive substance abuse. Data emerging from clinical studies generally support this hypothesis and suggest that 5-HT3 antagonists may prove to be among the first agents available to treat schizophrenia which are not dopamine D2 antagonists and hence lack their side-effect problems.
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PMID:Interactions between 5-HT3 receptors and cerebral dopamine function: implications for the treatment of schizophrenia and psychoactive substance abuse. 783 43

The goal of this study is to understand how different admission statuses of varying degrees of restrictiveness (informal, voluntary, emergency admission, and involuntary admission on medical certification) are used in the psychiatric emergency room. The study included 656 consecutively admitted patients from a psychiatric emergency room over 28 months. Data were analyzed univariately and using two discriminant function models. Only six (0.9%) patients were informal admissions. Voluntary admissions (24.9%, n = 163) tended to be for patients with affective disorders, those who were self-referred, suicidal risks, those who had a marital or family problem, and those who were over age 60. Nonvoluntary admissions (74.2%) tended to be for patients with schizophreniform symptoms and those referred by police or court. Involuntary admission on medical certification (53.2%, n = 349) tended to be for patients who were family referred, younger than 20 years old, had social interpersonal nonfamily stressors, were suicidal risks, were or had been married, had organic psychotic disorder, history of violence, and manic episode or schizophrenia. Emergency admission patients (21%, n = 138) were characterized by being between 40 to 50 years old, having a diagnosis of psychoactive substance abuse, having previous outpatient treatment, and having been referred by emergency service. The major difference between involuntary admissions and voluntary was that the former were more often actively psychotic or referred by police or court. The major difference between emergency admission and involuntary admission on medical certification seemed to be that patients with a more available support system, whose primary diagnoses was not substance abuse and who were suicidal, were preferred for involuntary admission on medical certification.
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PMID:Differential use of admission status in a psychiatric emergency room. 863 87

This study examined the characteristics of persons responding to an advertisement to participate as normal controls in behavioral research studies. Applicants (N = 3,289) inquired by telephone for more information. Of the applicants responding by telephone, 18% met the criteria for a DSM-III-R diagnosis, including psychoactive substance abuse (9%), mood disorder (4%), personality disorder (3%), schizophrenia (1%), anxiety disorder (1%), and neurological disorder (16%). Thirty-two percent (n = 1,045) of individuals passing the telephone interview were evaluated in person. After in-person evaluation, 16% met the criteria for a DSM-III-R diagnosis, including psychoactive substance abuse (9%), mood disorder (3%), personality disorder (3%), schizophrenia (0.1%), anxiety disorder (1%), and neurological disorder (11%). Only 13% (n = 431) of individuals responding by telephone were included as normal controls in ongoing studies. Overall, 79% (n = 2,244) and 57% (n = 590) were excluded by telephone and in-person evaluation, respectively. These results suggest that a high percentage of individuals seeking to participate as normal controls in behavioral research studies have some psychopathology.
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PMID:Psychopathology among persons responding to participation as normal controls in behavioral research studies. 1265 16

Prevalence of anti-HCV antibody in 1193 hospitalized patients (848 males and 345 females) in psychiatric department was investigated. Overall prevalence ratio was 9.1%, indicating significantly higher than that of healthy blood donors. In the classification of ICD-10, the prevalence of the inpatients diagnosed in schizophrenia group and psychoactive substance use group accounted for 6.2% and 13.8%, respectively. However, adequate reasons such as sanitary issues were not found to account for the high prevalence. Only the age of the patients could account for the high prevalence in the schizophrenic group. In the psychoactive substance abuse group, the sanitary issues might be a major cause of the very high prevalence of anti-HCV antibody, while other factors such as dysfunction of the immune system might be considered to account for it.
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PMID:High prevalence of the hepatitis C virus infection among the inpatients of schizophrenia and psychoactive substance abuse in Japan. 1509 67