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1.
Journal of Korean Geriatric Psychiatry ; : 67-74, 2017.
Artículo en Coreano | WPRIM | ID: wpr-170881

RESUMEN

OBJECTIVE: The aims of this study was to present an association between the presence of psychotic symptoms and cortical thicknesses/subcortical volumes in patients with Alzheimer's disease (AD). METHODS: Fourteen AD patients with psychotic symptoms and 41 without psychotic symptoms underwent 3T MRI scanning. After adjusting the effects of confounding variables, the cortical thicknesses were compared between the AD patients with and without psychotic symptoms in multiple regions, across the continuous cortical surface. In addition, the subcortical volumes were compared with a structure-by-structure manner. RESULTS: AD patients with psychotic symptoms were characterized by significant smaller cortical thickness of left pars opercularis (F=4.67, p=0.02) and left lateral occipital gyrus (F=6.05, p=0.04) rather than those without psychotic symptoms, after adjusting the effects of age and scores on the Stroop test, non-psychotic items of Neuropsychiatry Inventory and Clinical Dementia Rating, triglyceride level and total intracranial volume. However, there were no significant differences in the subcortical volume between the two groups. CONCLUSION: These results suggest that AD psychosis may reflect more severe deterioration of neuropathologic change in specific brain region.


Asunto(s)
Humanos , Enfermedad de Alzheimer , Encéfalo , Área de Broca , Demencia , Imagen por Resonancia Magnética , Neuropsiquiatría , Lóbulo Occipital , Trastornos Psicóticos , Test de Stroop , Triglicéridos
2.
Journal of the Korean Society of Biological Psychiatry ; : 84-90, 2012.
Artículo en Coreano | WPRIM | ID: wpr-725106

RESUMEN

OBJECTIVES: The purpose of this study was to examine the changes in metabolic parameters and Positive and Negative Syndrome Scale (PANSS) scores of patients previously treated with atypical antipsychotic drugs other than paliperidone, after 8 weeks of treatment with paliperidone. METHODS: Changes in body weight, body mass index, leptin, lipid levels, fasting glucose, and PANSS scores of patients who switched from other atypical antipsychotic drugs to paliperidone were measured after 8 weeks of treatment with paliperidone. We compared these results with those of patients who had not been treated with antipsychotic drugs for at least 2 weeks prior to treatment with paliperidone (antipsychotic drug-free patients). RESULTS: The antipsychotic drug-free group (n = 9) did not show significant changes in metabolic parameters, but showed a significant improvement in total and subscale scores of PANSS. In the group that switched from other atypical antipsychotic drugs to paliperidone (n = 13), body weight, body mass index and fasting glucose level significantly increased, while total and subscale scores of PANSS significantly improved. CONCLUSIONS: Paliperidone treatment will benefit patients with schizophrenia who have been antipsychotic drug-free or who have had difficulty with other atypical antipsychotic drugs, with regard to their psychopathological state. However, if patients have been treated with other atypical antipsychotic drugs before switching to paliperidone, they could gain body weight or their fasting glucose level could increase over a short period because of a change in receptor number and sensitivity caused by the previously prescribed antipsychotic drugs, and hence, paliperidone should be prescribed with caution for these patients.


Asunto(s)
Humanos , Antipsicóticos , Índice de Masa Corporal , Peso Corporal , Ayuno , Glucosa , Isoxazoles , Leptina , Pirimidinas , Esquizofrenia
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