Hitoshi Sakurai

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INTRODUCTION Antipsychotic drugs exert antipsychotic effects by blocking dopamine D2 receptors in the treatment of schizophrenia. However, effects of D2 receptor blockade on neurocognitive function still remain to be elucidated. The objective of this analysis was to evaluate impacts of estimated dopamine D2 receptor occupancy with antipsychotic drugs on(More)
BACKGROUND Although physical restraint is still used in psychiatric inpatient settings, it sometimes causes serious side effects, including deep vein thrombosis (DVT) and resulting pulmonary embolism. OBJECTIVE The aim of this study was to investigate the incidence of the DVT in restrained patients who were receiving routine prophylaxis and to identify(More)
OBJECTIVES A prospective cohort study was initiated to clarify whether the current level of exposure to carbon disulphide (CS2) is low enough to prevent occurrence of subclinical health impairments or to ameliorate health effects due to past high exposure. This paper describes the effects of exposure to CS2 on the nervous and endocrine systems, and the(More)
BACKGROUND The dominant diagnostic model of the classification of depression today is unitarian; however, since Kurt Schneider (1920) introduced the concept of endogenous depression and reactive depression, the binary model has still often been used on a clinical basis. Notwithstanding this, to our knowledge, there have been no collective data on how(More)
Long-term follow-up data of patients with schizophrenia on depot antipsychotics have been few and the longest follow-up period has been up to 7 years. We carried out a systematic chart review to examine 10-year outcomes for outpatients with schizophrenia who were receiving a conventional depot antipsychotic. Maintenance of outpatient status for 10 years was(More)
OBJECTIVE While doctors often increase the dose of an antipsychotic when there is insufficient response, there is limited evidence that this intervention is any better than waiting longer on the lower dose. We put the proposition to test. METHOD In this 4-week, double-blind, randomized controlled trial conducted in psychiatric care from September 2012 to(More)
Catatonia is a syndrome of motor and psychological disturbances, which is accompanied by blood stasis that increases the risk of deep vein thrombosis (DVT). The aim of this study was to examine the incidence of DVT in catatonic patients in comparison to that in non-catatonic physically restrained patients. We conducted a chart review of involuntarily(More)
OBJECTIVE Physical restraint sometimes causes deep vein thrombosis (DVT) and pulmonary embolism. Although unfractionated heparin (UFH) is used for the prophylaxis of DVT, its effectiveness remained unknown for restrained patients. METHOD We conducted a chart review of restrained inpatients at Sakuragaoka Memorial Hospital in Japan. Restrained patients(More)
OBJECTIVE Constipation is often overlooked in patients with schizophrenia. We examined their awareness of constipation and whether they reported it to their psychiatrists. METHOD Five hundred three inpatients with schizophrenia (International Classification of Diseases, 10th Revision) were interviewed about their recent bowel movements and evaluated for(More)
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