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Effects of Psychotropic Drugs on Seizure Threshold during Electroconvulsive Therapy
지수혁,정현강,이수지,오소영,김승현 대한신경정신의학회 2017 PSYCHIATRY INVESTIGATION Vol.14 No.5
Objectives: To analyze the relationship between seizure threshold (ST) and psychotropic drugs in patients treated with ECT. Methods: We examined clinical data from 43 patients. ST was titrated at each treatment session. We examined associations between ST and psychotropic drugs using multivariate correlation analyses. Data are presented as initial ST, the difference in ST between the first and 10th sessions (ΔST10th), and the mean difference in ST between the first and last sessions (mean ΔSTlast). Results: Multivariate regression analyses showed associations between initial ST and the total chlorpromazine-equivalent dose of antipsychotics (β=0.363, p<0.05). The total fluoxetine-equivalent dose of antidepressants was associated with ΔST10th (β=0.486, p<0.01) and mean ΔSTlast (β=0.472, p<0.01). Conclusion: Our study elucidated possible effects of psychotropic drugs on ST shifts. Larger doses of antipsychotics were associated with higher initial ST, whereas higher doses of antidepressants were associated with stronger shifts in ST.
지수혁,정현강,이문수,김승현 대한조현병학회 2016 대한조현병학회지 Vol.19 No.2
Objectives : Schizophrenia is a chronic psychiatric disorder characterized by its debilitating course. It leads to personal and social dysfunctions, burdening patients and guardians heavily. Enhancing functional outcome is a major treatment goal, but pharmacotherapy alone is usually not enough. Hence, it is important to reveal clinical factors that can predict personal and social performance in schizophrenia patients. Analyze factors influencing personal and social performance in schizophrenia patients. Methods : 66 schizophrenia patients from three University hospitals in Korea were enrolled, completing clinical scales between January 2008 and December 2009. 38 patients dropped out during follow up. 28 patients were included in the final study. Personal and social performance was measured using the Personal and Social Performance scale (PSP) since January 2015. Correlation and multiple regression analyses were performed to reveal associations between demographic and clinical factors and PSP. Results : Correlation analyses resulted in statistically significant correlations between CGI-S (r=-0.646, p<0.01), PANSS (r= -0.419, p<0.05), KISP (r=-0.523, r<0.01), KmSWN (r=0.388, p<0.05), Trail making B (r=0.608, p<0.01), KDAI (r=0.608, p<0.01), and PSP. Stepwise multiple regression analyses showed significant models with CGI-S (β=-0.485, p<0.01), and KDAI (β=0.423, p<0.01). Conclusion : Our results show that attitude toward drugs and symptom severity affect a patient’s personal and social performance most prominently. We advise to focus on patient education to reinforce attitude toward drugs, and to concentrate on reducing symptom severity to enhance personal and social performance in schizophrenia patients.