Der Schmerz
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There are many studies on placebo analgesia and its underlying mechanisms that show a significant improvement of care for chronic pain patients. However, observational learning has not been researched to this degree. ⋯ The evidence included provides the theoretical basis for potential significant clinical impact. Further research is needed to extend these findings to chronic pain patients.
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The efficacy of pain therapies can be substantially modulated by treatment expectations, which is reflected by the substantial placebo effects observed in pain (so called placebo analgesia). ⋯ Placebo analgesia is associated with complex neurobiological and -physiological mechanisms. An advanced comprehension of these processes should be applied to optimize existing and future therapeutic approaches in pain therapy.
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Observational Study
[Results of a pilot study on the role of therapy expectation in interdisciplinary multimodal pain therapy for chronic back pain].
Chronic low back pain is a serious persistent illness with profound personal and socioeconomic impact. Interdisciplinary multimodal pain therapy (IMPT) is one of the few evidence-based treatment options for chronic pain. Although it is known that pain perception, as well as its chronification and treatment are affected by patient expectations, only few clinical interventions or guidelines on how to modulate these effects exist. ⋯ Expectancy is an important predictor of treatment outcome in IMPT. In clinical practice, valid methods should therefore be established to reduce negative and promote positive expectations.