Multicenter Observational Study of Electroconvulsive Therapy in Japan.

Objectives: The present study is the first large-scale, multicenter survey on modified electroconvulsive therapy (ECT) in Japan. We aimed to comprehend the current implementation status of ECT based on the annual reports of 2016 from 21 facilities that were certified by the Japanese Society of General Hospital Psychiatry as ECT certified facilities and participated in this multicenter observational study.

Methods: We investigated the distributions of diagnosis, gender, and age of patients receiving acute-phase ECT, and the efficacy, safety, and adverse events.

Prevalence of elevated serum anti-N-methyl-D-aspartate receptor antibody titers in patients presenting exclusively with psychiatric symptoms: a comparative follow-up study.

Background: Increasing numbers of patients with elevated anti-N-methyl-D-aspartate (NMDA) receptor antibody titers presenting exclusively with psychiatric symptoms have been reported. The aim of the present study was to clarify the prevalence of elevated serum anti-NMDA receptor antibody titers in patients with new-onset or acute exacerbations of psychiatric symptoms. In addition, the present study aimed to investigate the association between elevated anti-NMDA receptor titers and psychiatric symptoms.

[Is the incidence of schizophrenia declining?: an investigation of the examination rates in the psychiatric clinics of a medical school hospital and a general hospital].

Purpose: Some researchers in Europe, America and Oceania have recently reported that the incidence of schizophrenia is declining. We investigated changes in the proportion of schizophrenic patients to the total number of patients in two Japanese hospitals during the last decade.

Subjects And Methods: The subjects were patients who first consulted the psychiatric clinic of Jichi Medical School or the psychiatric clinic of Kamitsuga General Hospital between December 1993 and November 1994 or between December 2003 and November 2004.