... respectively. Since atypicalantipsychotics (AAPs) were approved in 1996 by the Min-istry of Health, Labour and Welfare, Japan, only 36patients received AAPs in the study period. Regarding anti-depressants, ... non-users[9]. Reilly et al. [10] estimated the point prevalence of QTcprolongation in psychiatric patients in various inpatientand community settings and found that age over 65 years,use of tricyclic antidepressants, ... 1National Institute of Public Health, 2-3-6 Minami, Wako, Saitama 351-0197, Japan, 2Department of Psychiatry, Division of Neuroscience, Graduate School of Medicine, The University of Tokyo, Japan...