Learning Objective 1: The learner will be able to discuss the use of metaanalysis in nursing practice.
Learning Objective 2: The learner will be able to discuss the effects of aromatherapy on cancer patients receiving hospice care
Following the inclusion and exclusion criteria, 8 trials met the inclusion criteria involving 328 patients in 3 one-group pre-posttest studies, 2 two-group pre-posttest studies and 3 randomized controlled trials. Those included studies were evaluated independently using Cochrane Collaboration’s Tool for Assessing Risk of Bias and were subject to double data entry. The extracted data were analyzed using Comprehensive Meta-Analysis version 2.0 to evaluate the effects of aromatherapy. The results revealed that aromatherapy had moderate effect on improving the cancer-related pain; yet, no significant effects on emotional distress and sleeping quality. The present study suggested that aromatherapy has moderate effect on relieving the pain of cancer patients who are accepting hospice care. On the other hand, only few trials have measure the effects of aromatherapy, and all were small and showed methodically weaknesses; thus, the evidence was not sufficient as a reliable basis for practical conclusions. Better quality trials are needed to address the current lack of evidence in this issue. For further investigation, increasing sample size, establishing of standard treatment protocols, and reducing confounding factors should be considered.
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