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Issues in Palliative Care Research$
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Russell K. Portenoy and Eduardo Bruera

Print publication date: 2003

Print ISBN-13: 9780195130652

Published to Oxford Scholarship Online: November 2011

DOI: 10.1093/acprof:oso/9780195130652.001.0001

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Evaluating the Relationship of Fatigue to Depression and Anxiety in Cancer Patients

Evaluating the Relationship of Fatigue to Depression and Anxiety in Cancer Patients

Chapter:
(p.127) 9 Evaluating the Relationship of Fatigue to Depression and Anxiety in Cancer Patients
Source:
Issues in Palliative Care Research
Author(s):

Russell K. Portenoy

Eduardo Bruera

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195130652.003.0009

Clinicians and researchers have been challenged to understand how fatigue may be related to depression and anxiety in patients with cancer. The need to understand this relationship stems from two basic facts: fatigue, in addition to being a symptom of cancer and its treatment, is a symptom of certain mood and anxiety disorders and depression and anxiety, like fatigue, are relatively common among cancer patients. This chapter asks several questions. First, what are the conceptual similarities and differences between fatigue, depression, and anxiety? Second, to what extent do depression and anxiety co-occur with fatigue, and how might they be distinguished? Third, what are the possible causal relationships between fatigue and depression and between fatigue and anxiety? Fourth, what are the treatment implications of the relationship of fatigue to depression and anxiety?

Keywords:   cancer care, anxiety, depression, fatigue

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