Thyroid function and psychiatric morbidity in patients with manic disorder receiving lithium therapy
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摘要Euthyroid hyperthyroxinemia as a result of a transient increase in thyroid-stimulating hormone (TSH) levels may contribute to the development of manic disorder. Lithium has a potent short-term antithyroidal effect that may account for its antimanic action. The thyroid function and psychiatric morbidity of 46 adult patients with manic disorder were assessed prospectively before and 1 and 6 months-after Lithium treatment. At baseline, the free thyroxine level (FT4, 16.23 +/- 3.11 pmol/L) was at the high end of the normal range, whereas the free triiodothyronine (FT3, 4.24 +/- 0.65 pmol/L) and TSH (1.47 +/- 0.73 mIU/L) levels mere within the normal range. AU patients mere clinically euthyroid, but five of them (11%) had elevated FT4 levels. Baseline FT3 and FT4 levels mere positively correlated with past psychiatric morbidity. The FT4 level at baseline and after 1 month of treatment mas positively correlated with scores on the Brief Psychiatric Rating Scale (p < 0.02) and negatively correlated with scores on the Global Assessment Scale (p < 0.005). During the first month of treatment, the reduction of FT3 and FT4 levels was significantly correlated with a decrease in psychiatric symptoms. By 6 months, the FT3 level was no longer significantly different from that at the baseline, but FT4 levels remained significantly lower. The TSH level increased progressively from baseline to 6 months. Multilevel models showed that FT4 and serum lithium levels mere positively and negatively associated with psychiatric symptoms, respectively. The findings of the study lend support to the notion that euthyroid hyperthyroxinemia contributes to acute mania and suggest that Lithium's short-term antimanic action may be mediated by its antithyroid effect.
著者Lee S, Chow CC, Wing YK, Shek ACC, Mak TWL, Ahuja A, Lee DTS, Leung TYS
期刊名稱Journal of Clinical Psychopharmacology
出版年份2000
月份4
日期1
卷號20
期次2
出版社LIPPINCOTT WILLIAMS & WILKINS
頁次204 - 209
國際標準期刊號0271-0749
電子國際標準期刊號1533-712X
語言英式英語
Web of Science 學科類別Pharmacology & Pharmacy; PHARMACOLOGY & PHARMACY; Psychiatry; PSYCHIATRY, SCI

上次更新時間 2021-16-01 於 00:46