Cancer Nursing

Skip Navigation LinksHome > January/February 2012 - Volume 35 - Issue 1 > Symptom Cluster Analyses Based on Symptom Occurrence and Sev...
Cancer Nursing:
doi: 10.1097/NCC.0b013e31822909fd

Symptom Cluster Analyses Based on Symptom Occurrence and Severity Ratings Among Pediatric Oncology Patients During Myelosuppressive Chemotherapy

Baggott, Christina PhD, RN, CPON; Cooper, Bruce A. PhD; Marina, Neyssa MD; Matthay, Katherine K. MD; Miaskowski, Christine PhD, RN, FAAN

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Background: Symptom cluster research is an emerging field in symptom management. The ability to identify symptom clusters that are specific to pediatric oncology patients may lead to improved understanding of symptoms’ underlying mechanisms among patients of all ages.

Objective: The purpose of this study, in a sample of children and adolescents with cancer who underwent a cycle of myelosuppressive chemotherapy, was to compare the number and types of symptom clusters identified using patients’ ratings of symptom occurrence and symptom severity.

Methods: Children and adolescents with cancer (10–18 years of age; N = 131) completed the Memorial Symptom Assessment Scale 10–18 on the day they started a cycle of myelosuppressive chemotherapy, using a 1-week recall of experiences. Symptom data based on occurrence and severity ratings were examined using exploratory factor analysis. The defined measurement model suggested by the best exploratory factor analysis model was then examined with a latent variable analysis.

Results: Three clusters were identified when symptom occurrence ratings were evaluated, which were classified as a chemotherapy sequela cluster, mood disturbance cluster, and a neuropsychological discomfort cluster. Analysis of symptom severity ratings yielded similar cluster configurations.

Conclusions: Cluster configurations remained relatively stable between symptom occurrence and severity ratings. The evaluation of patients at a common point in the chemotherapy cycle may have contributed to these findings.

Implications for Practice: Additional uniformity in symptom clusters investigations is needed to allow appropriate comparisons among studies. The dissemination of symptom cluster research methodology through publication and presentation may promote uniformity in this field.

© 2012 Lippincott Williams & Wilkins, Inc.


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