Abstract
Complementary and integrative medicine (CIM) is frequently used by oncology teams for reducing physical and emotional side-effects related to cancer treatment. In light of the changing healthcare system, evidence is needed regarding the economic implications of these interventions. The purpose of this study was to: (1) systematically examine the literature for links between CIM interventions and healthcare utilization (2) provide recommendations for growing this area of research. PubMed and EBSCO databases were reviewed for articles reporting on healthcare utilization associated with CIM therapy use in oncology populations. CIM intervention characteristics and healthcare utilization were extracted and summarized from 7 articles meeting inclusion criteria. Studies included various CIM modalities. Most studies targeted physical symptoms (i.e., pain, infection, nausea/vomiting; n = 4). Healthcare utilization included medication use/cost (n = 4) and hospitalization length/cost (n = 5). All four studies (prospective/retrospective between-group, n = 2; within-subject pre-post, n = 1; RCT, n = 1) examining medication reduction noted decreased medication costs or use. Mixed findings emerged for studies examining hospitalizations (retrospective between-group, n = 2; within-subject pre-post, n = 1; RCT, n = 2), with only one study (retrospective between-group) indicating lower hospitalization duration in the CIM group. Findings indicate the potential for CIM therapy to reduce healthcare utilization in oncology populations, particularly medication use. However, this research is limited both in size and quality. To increase the uptake of these interventions and to advocate for insurance coverage of CIM interventions, high quality economic evaluations are needed.
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