Home > Publications database > Determinants of long-term fatigue in breast cancer survivors: results of a prospective patient cohort study. |
Journal Article | DKFZ-2017-03485 |
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2015
Wiley
New York, NY [u.a.]
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Please use a persistent id in citations: doi:10.1002/pon.3581
Abstract: Fatigue is among the most distressing symptoms across the breast cancer continuum. However, little is known about the factors contributing to long-term persisting fatigue. Therefore, we explored determinants of long-term physical, affective, and cognitive fatigue in a prospective cohort of breast cancer patients.Breast cancer patients recruited in a population-based case-control study (MARIE study) provided comprehensive data on sociodemographics, lifestyle, and preexisting medical conditions. At follow-up (median 6.3 years post-diagnosis, MARIEplus), disease-free cancer survivors (N = 1928) reported current fatigue using a validated multidimensional questionnaire. Additionally, survivors retrospectively rated their fatigue levels before diagnosis, during the treatment phase, and 1 year post-surgery. Linear regression analyses were performed.As major determinants of long-term physical, affective, and cognitive fatigue, multiple regression analyses revealed preexisting psychological or depressive disorders, migraine, analgesic use, peripheral arterial obstructive disease (PAOD), and arthritis. A physically inactive lifestyle and obesity were associated with persisting physical fatigue. Aromatase inhibitors were also associated with long-term fatigue, especially cognitive fatigue. Chemotherapy and, to a lower extent, radiotherapy were major contributors to the development of fatigue during the treatment phase, yet were not associated with long-term fatigue.Although the development of fatigue in breast cancer patients seems largely impacted by cancer therapy, for the long-term persistence of fatigue, preexisting medical or psychological conditions related to depression or pain and lifestyle factors appear to be more relevant. Physicians, psycho-oncologists, and researchers may need to distinguish between acute fatigue during therapy and long-term persisting fatigue with regard to its pathophysiology and treatment.
Keyword(s): Analgesics ; Antineoplastic Agents ; Aromatase Inhibitors
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