4.5 Article

Symptom Clusters in Advanced Cancer

期刊

JOURNAL OF PAIN AND SYMPTOM MANAGEMENT
卷 42, 期 1, 页码 24-31

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ELSEVIER SCIENCE INC
DOI: 10.1016/j.jpainsymman.2010.10.266

关键词

Symptom cluster; advanced cancer; survival; prognostic; gender; age; performance status

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Context. Patients with advanced cancer often experience multiple concurrent symptoms. Few studies have explored symptom clusters (SCs) in this population. Objectives. The aim of the present study was to explore SCs in advanced cancer, evaluate the characteristics associated with various clusters, and determine their relationship to survival. Methods. This study included patients in the palliative care program of the Hospital Universitario La Paz from 2003 to 2005. The Edmonton Symptom Assessment System and a supplement including 13 other symptoms were used to detect symptoms. Principal component analysis was performed to determine symptom relationships and compare SCs with associated parameters. Results. In total, 406 patients were included, 61% men and 39% women. The median age was 66.4 (range 18-95). The most common primaries were gastrointestinal (35%), lung (25%), genitourinary (8%), breast (5%), and head and neck (5%) carcinomas. The following clusters were identified: confusion (cognitive impairment, agitation, urinary incontinence), neuropsychological (anxiety, depression, and insomnia), anorexia-cachexia (anorexia, weight loss, and tiredness), and gastrointestinal (nausea and vomiting). The presence of these SCs was influenced by primary cancer site, gender, age, and performance status. Survival was related to the number of SCs present in a given patient: zero SC, 52 days; one SC, 38 days; two SCs, 23 days; and three to four SCs, 19 days; P < 0.001. Conclusion. Different SCs can be identified in patients with advanced cancer. These SCs are influenced by primary cancer site, gender, age, and Eastern Cooperative Oncology Group performance status, and they can have prognostic value. J Pain Symptom Manage 2011; 42: 24-31. (C) 2011 U. S. Cancer Pain Relief Committee. Published by Elsevier Inc. All rights reserved.

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