Zusammenfassung Der Einfluss dertion gathering, or patient education). We conducted a systematic review including publications from 2000 to 2015 to gather further empirical support. Methods: A systematic review was carried out (with information drawn mainly from Medline, Embase, Cochrane, PsychLit, and Psyndex) to identify RCTs as well as controlled and uncontrolled studies in clinical adult samples. Studies with psychiatric samples and psychologicalpsychotherapeutic interventions were excluded. Results: A total of 17 RCTs, 17 controlled studies, and 8 qualitative studies met the inclusion criteria. The quality of the RCTs and controlled studies was satisfying. In the doctor-patient relationship (building), 60% of the studies showed a positive effect on objective health parameters. Information gathering and provision (patient education) were the most investigated domains with unequivocally positive effects. Communication (skills) showed improved results and enabled treatment-related emotions and behavior. Two studies included an economical evaluation with reduced healthcare costs. Conclusions: A systematic review revealed different domains of the doctor-patient relationship and communication with convincing effects regarding different objective and subjective health outcomes.

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The impact of endometriosis on life quality in our study was considerably less than in other studies but equivalent to other chronic medical conditions. It could be shown that endometriosis is influenced by biopsychosocial variables. However, the elevated presence of anxiety and depressive symptoms indicates the need of psychosomatic treatment of affective disorders to prevent manifestation.