Objective Patients' expectations have been shown to predict the course and treatment success of a variety of medical conditions. Therefore, expectation-focused psychological interventions (EFPIs) have been developed to use these expectation effects clinically. Importantly, EFPI differ with regard to the particular expectation mechanism being addressed, i.e., expectation optimization or expectation violation. The aims of this systematic review were to give an overview of the application of these expectation interventions and to evaluate their effectiveness. Methods Several databases were searched to identify clinical trials or experimental studies that conducted EFPI among participants with various medical conditions. Risk of bias was evaluated using the Cochrane Risk of Bias tool. Results Eleven studies (N = 944) investigating different medical conditions (coronary heart disease, cancer, chronic pain) were included. Qualitative synthesis revealed positive effects of EFPI on clinical outcome variables in all studies. Expectation optimization approaches yielded particularly promising results. Because of the large heterogeneity of outcome measures, quantitative synthesis was not possible. Conclusion This review highlights the potential of EFPI for optimizing treatment of patients with medical conditions. However, it seems that different expectation mechanisms might have different application possibilities. Therefore, we provide suggestions for further developing EFPI to tailor treatment and develop personalized psychological interventions. We argue that for this purpose, it is important to consider both disease-specific aspects and patients' personality traits. In addition, we discuss future challenges such as implementing EFPI into routine medical care.from Psychosomatic Medicine - Featured Articles - Current Issue Highlights https://ift.tt/2IDwNFq
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