Relaxation to reduce nausea, vomiting, and anxiety induced by chemotherapy in Japanese patients

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Abstract
The purpose of this study was to examine the effectiveness of progressive muscle relaxation (PMR) in reducing the nausea, vomiting, and anxiety induced by chemotherapy in Japanese patients. Subjects comprised 60 cancer chemotherapy patients who were hospitalized in a cancer center. These subjects were randomly assigned to either the experimental or control group. In addition to routine nursing care, subjects in the experimental received PMR training, while those in the control received contact with the investigator. Results from this study verified the effectiveness of PMR in reducing total scores used to measure nausea, vomiting, and retching; subscale scores of nausea; and subjective feelings of anxiety. The efficacy of PMR to reduce subscale scores of vomiting was not verified, partly due to an extremely low incidence of vomiting.