PubMed · 15839148
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Hasse Karlsson. 2005. [Does antidepressant medication improve brain function?].. https://pubmed.ncbi.nlm.nih.gov/15839148/
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BACKGROUND: This review was undertaken to assess the effectiveness of management strategies for sexual dysfunction caused by antidepressant medication. METHODS: Electronic databases and reference lists were searched, and pharmaceutical companies and experts contacted to identify randomised controlled trials comparing management strategies for antidepressant-induced sexual dysfunction. RESULTS: Fifteen trials involving 904 people were included. One trial involving 75 people with sexual dysfunction due to sertraline assessed changing antidepressant. Switching to nefazodone was significantly less likely to result in the re-emergence of sexual dysfunction than restarting sertraline (RR 0.34, 95% CI 0.15 to 0.6). Meta-analysis of two trials involving 113 men with erectile dysfunction found that the addition of sildenafil resulted in less sexual dysfunction at endpoint on rating scales including the International Index of Erectile Function (IIEF) (WMD 19.36, 95% CI 15.00 to 23.72). Another trial found the addition of bupropion led to improved scores on the Changes in Sexual Functioning Questionnaire desire-frequency subscale (WMD 0.88, 95% CI 0.21 to 1.55). In a further study the addition of tadalafil was associated with greater improvement in the erectile function domain of the IIEF than placebo (WMD 8.10; 95% CI 4.62 to 11.68). Other augmentation strategies failed to show statistically significant improvements in sexual dysfunction compared with placebo. DISCUSSION: The currently available evidence is rather limited, with small numbers of trials assessing each strategy. However, while further randomised data is awaited, for men with antidepressant-induced erectile dysfunction, the addition of sildenafil appears to be an effective strategy.
Bipolar depression is poorly understood and researched, yet it is has a huge impact on functioning in bipolar disorder. This review explores the current status of research regarding the phenomenology, natural history, neuropsychology, psychosocial predictors and cognitive style of bipolar depression. The current status of pharmacotherapy and psychological treatment of bipolar depression is also described. In particular, the manner in which cognitive behaviour therapy for bipolar depression has been adapted from CBT for unipolar depression is critically evaluated. It is concluded that there appears to be a considerable overlap between the features of unipolar and bipolar depression, yet there is also emerging evidence for specific elements. The ability of current psychological theories of bipolar disorder to account for the findings are compared, and as a consequence, a new preliminary integrative model is proposed to direct future hypothesis-led research, which will need to incorporate more suitable populations and utilise more objective methods of assessment.