A review article which is published in the current issue of Psychotherapy and Psychosomatics indicates that psychological interventions may help premenstrual syndrome.
A group of Canadian investigators conducted a systematic review and meta-analysis to determine the efficacy of psychological interventions for premenstrual syndrome.They systematically searched and selected studies that enrolled women with premenstrual syndrome in which investigators randomly assigned them to a psychological intervention or to a control intervention. Trials were included irrespective of their outcomes and, when possible, they conducted meta-analyses.
Nine randomized trials, of which 5 tested cognitive behavioural therapy, contributed data to the meta-analyses. Low quality evidence (design and implementation weaknesses of the studies, possible reporting bias) suggests that cognitive behavioural therapy significantly reduces both anxiety (effect size [ES] = -0.58; 95% confidence interval [CI] = -1.15 to -0.01; number needed to treat [NNT] = 5), and depression (ES = -0.55; 95% CI = -1.05 to -0.05; NNT = 5), and also suggests a possible beneficial effect on behavioural changes (ES = -0.70; 95% CI = -1.29 to -0.10; NNT = 4) and interference of symptoms on daily living (ES = -0.78; 95% CI = -1.53 to -0.03; NNT = 4). Results provide much more limited support for monitoring as a form of therapy and suggest the ineffectiveness of education. Low quality evidence from randomized trials suggests that cognitive behavioural therapy may have important beneficial effects in managing symptoms associated with premenstrual syndrome.
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