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題 名 | Diurnal Melatonin and Cortisol Secretion Profiles in Medicated Schizophrenic Patients=服藥中精神分裂病患者血清褪黑激素與腎上腺皮質激素之分泌型態 |
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作 者 | 江漢光; 王家儀; | 書刊名 | 臺灣醫學會雜誌 |
卷 期 | 97:12 1998.12[民87.12] |
頁 次 | 頁830-837 |
分類號 | 415.983 |
關鍵詞 | 服藥; 精神分裂病患; 血清褪黑激素; 腎上腺皮質激素; 分泌; Schizophrenia; Melatonin; Cortisol; Dexamethasone suppression test; |
語 文 | 英文(English) |
英文摘要 | Although melatonin and /or cortisol secretions have been suggested as markers for both circadian and noradrenaline dysfunctions in psychiatric illnesses, especially in affective disorders, studies of melatonin and cortisol in schizophrenic patients are rare. We evaluated the circadian profiles of melatonin and cortisol sectetion in schizophrenic patients and control subjects. A total of 21 medicated Taiwan male parnoid schizophrenic inpatients (mean age, 27.3 ± 7.2 yr) and 21 age- and sex-matched controls underwent 24-hour neuroendocrine screening. Melatonin and cortisol concentrations were measured at 2-hour intervals from 0800 h to 2200 h, and at 1-hour intervals from 2300 h to 0700 h. The standard dexamethasone suppression test was performed the next day to provide an index of hypothalamic-pituitary-adrenal axis (HPA) function. The results showed that the circadian rhythm of plasma maintenance-medicated patients. Our findings suggest the presence the melatonin melatonin secretion was disrupted in schizophrenics compared with controls, whereas the 24-hour profile of plasma cortisol was preserved. The melatonin to corisol ratio was significantly higher in control subjects than in schizophrenic patients. Results of the dexamethasone suppression tests indicated that there were no functional changes in the HPA axis in schizophrenic patients. Five drug-naive schizophrenic patients studied simultaneously, but whose data were not included in the above analyses, had results consistent with those of the maintonin metabolism in Taiwanese schizohrenics, whcih may possibly be related to the pathophysiologic process itself. However, broader pathogenetic aspects of these neuroendocrine interrlations remain to be clarified. |
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