Symptom cluster patterns during the first year after diagnosis with cancer

Alex Molassiotis, Yvonne Wengström, Nora Kearney

    Research output: Contribution to journalArticle

    82 Citations (Scopus)

    Abstract

    Context Research about clusters of symptoms in oncology is an emerging field of study. However, there is still conceptual confusion about clusters of symptoms and little agreement across studies. Objectives The aim of the present study was to explore clusters of symptoms over time in a large heterogeneous group of patients with cancer and thereby contribute to the conceptual and methodological debate in this research area. Methods A longitudinal design was used to assess symptoms in cancer patients over four time points during the first year after diagnosis using the Memorial Symptom Assessment Scale. The study recruited 143 patients from five U.K. cancer centers and provided 504 symptom assessments at the beginning of treatment and 3, 6, and 12 months later. Results Six symptom clusters were identified at the first assessment, which were maintained across the assessment points with slight variations. These included gastrointestinal, hand/foot, body image, respiratory, nutritional, and emotional symptom clusters. The behavior of the clusters over time highlighted the complexities of symptom cluster assessment and the dynamic relationships between symptoms. Frequency, severity, and distress from symptoms were significantly higher (up to 75% higher) in patients who experienced a cluster of symptoms than in the overall sample, suggesting that symptom assessments in unselected patients underestimate the symptom burden in subgroups of patients. Conclusion We propose attention to symptom clusters that are stable across time and include core or defining symptoms within the cluster, and we further discuss the usefulness and applicability of conceptual and methodological criteria used in this study for future symptom cluster research
    Original languageEnglish
    Pages (from-to)847-858
    Number of pages12
    JournalJournal of Pain and Symptom Management
    Volume39
    Issue number5
    DOIs
    Publication statusPublished - 2010

    Keywords

    • Cancer patients
    • Cancer
    • Symptoms

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