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In a double-blind study, 135 inpatients with a diagnosis of chronic schizophrenia were randomly assigned to 8 weeks of treatment with one of six parallel treatments: risperidone (a new central 5-hydroxytryptamine2 and dopamine D2 antagonist), 2, 6, 10, 16 mg/day; haloperidol, 20 mg/day; or placebo, after a single-blind placebo washout period. Doses were(More)
OBJECTIVE To investigate the role of the dopamine receptor 3 (DRD3) and transporter 1 (DAT1) genes in schizophrenia or in modulating its phenotype. METHODS a Ser9Gly polymorphism in codon 9 of the DRD3 and a VNTR polymorphism in the DAT1genes were examined in two groups of schizophrenic patients, one of excellent neuroleptic responders (N=42) and one of(More)
When the multi-channel cochlear implant electrode is inserted into the scala tympani through the round window the operation is best performed via a posterior tympanotomy. The view of the round window membrane, however, is incomplete because of its orientation and the fact that it has a conical shape. Nevertheless, a good view along the basal turn is(More)
Genetic anticipation, a phenomenon characterized by increased severity of symptoms and earlier age at onset of a disease in successive generations, is believed to be present in schizophrenia. In several neurodegenerative diseases showing anticipation, the mutation causing the disease is an expanded trinucleotide repeat. Therefore, genes containing(More)
Although genes play a major role in the etiology of schizophrenia, no major genes involved in this disease have been identified. However, several genes with small effect have been reported, though inconsistently, to increase the risk for schizophrenia. Recently, the 5HT2A 2 allele (T102C polymorphism) was reported to be over-represented in patients with(More)
BACKGROUND Various modalities have been advocated and practiced to maximize the effectiveness of treatment for chronic subdural hematoma. Most patients with chronic subdural hematoma are successfully treated with simple burr-hole evacuation and external drainage. Hematomas with thick membranes have been found to persist or recur, sometimes necessitating(More)
The schizophrenia phenotype is heterogeneous with respect to clinical presentation, long-term response to medication, and outcome, possibly reflecting genetic heterogeneity and/or the presence of modifier genes. Compared to non-responders, schizophrenic patients who are responders to neuroleptic medications are characterized by a high female/male ratio, a(More)
Hospital costs for chronic schizophrenic patients consume a major share of the cost of mental health care. Despite the success of numerous community mental health programs, repeated hospital admission of schizophrenic patients is a significant problem. Effective therapy and compliance with that therapy are two important factors in reducing hospitalization.(More)
Recently, it has been suggested that trinucleotide repeat-containing genes may be involved in the etiology of schizophrenia. This study was aimed at investigating putative associations between allelic variants or expansions of CAG repeat-containing genes (CAGrCG) and schizophrenia or its variability with respect to responsiveness to conventional(More)