• Ward SullivanCarmenCSchool of Nursing, Samuel Merritt University, Oakland, CA., Heather Leutwyler, Laura B Dunn, and Christine Miaskowski.
• School of Nursing, Samuel Merritt University, Oakland, CA.
• J Clin Nurs. 2018 Feb 1; 27 (3-4): 516-545.

Aims And ObjectivesTo summarise the current state of knowledge of symptom clusters research from studies that included, as part of their sample, patients who were receiving primary or adjuvant chemotherapy.BackgroundSince the concept of a symptom cluster was first introduced into the oncology literature in 2001, only four comprehensive reviews of symptom clusters research in oncology patients were identified that provide insights into this important concept in symptom management research.DesignA comprehensive review of the literature.MethodsA comprehensive literature search was conducted for the years 2000 to 2016. Only 19 studies met the inclusion criteria for this literature review. These studies were evaluated in terms of the symptom assessment instruments used; the statistical analysis methods used; the symptom dimension(s) used to create the symptom cluster(s); the number and types of symptom clusters identified; and whether the specific symptom clusters changed over time.ResultsThe number of symptom clusters identified ranged from one-seven. The majority of the studies used some type of factor analysis to create the symptom clusters. The most common symptom dimension used to create the clusters was symptom severity. A "gastrointestinal symptom cluster" was the most common symptom cluster identified. Across the eight longitudinal studies, for half of these studies the symptom clusters remained relatively stable over time.ConclusionsAdditional research is needed in oncology patients to address the assessment of symptom clusters, the specific nature of symptom clusters and whether symptom clusters change over time.© 2017 John Wiley & Sons Ltd.

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