Chemotherapy-related cognitive impairment: does integrating complementary medicine have something to add? Review of the
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REVIEW
Chemotherapy-related cognitive impairment: does integrating complementary medicine have something to add? Review of the literature Adva Avisar • Yaron River • Elad Schiff • Gil Bar-Sela • Mariana Steiner • Eran Ben-Arye
Received: 10 May 2012 / Accepted: 12 August 2012 / Published online: 23 August 2012 Ó Springer Science+Business Media, LLC. 2012
Abstract Chemotherapy-related cognitive impairment is a phenomenon of cognitive decline that some patients experience during and after chemotherapy. The prevalence of chemotherapy-related cognitive impairment in cancer survivors ranges from 14 to 85 %. Memory loss and lack of concentration are the most frequent symptoms, often resulting in deterioration of daily functioning and a decreased quality of life. Despite ongoing research on chemotherapy-related cognitive impairment, a clear understanding of the underlying mechanisms of the neurotoxicity induced by chemotherapy and the factors that determine a patient’s vulnerability are still lacking. We review current knowledge regarding the etiology of chemotherapy-related
A. Avisar M. Steiner E. Ben-Arye Integrative Oncology Program, Oncology Service, Lin Medical Center, Clalit Health Services, Haifa and Western Galilee District, Haifa, Israel Y. River Department of Neurology, Hillel Yaffe Medical Center, Hadera, Israel E. Schiff Department of Internal Medicine, B’nai Zion Hospital, Haifa, Israel; Department for Complementary/Integrative Medicine, Law and Ethics, International Center for Health, Law and Ethics, University of Haifa, Haifa, Israel G. Bar-Sela (&) Division of Oncology, Rambam Health Care Campus and Faculty of Medicine, Technion-Israel Institute of Technology, P.O. Box 9602, 31096 Haifa, Israel e-mail: [email protected] E. Ben-Arye Complementary and Traditional Medicine Unit, Department of Family Medicine, Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
cognitive impairment, risk factors, conventional therapy, coping strategies, and potential complementary and integrative medicine treatments. Complementary and integrative medicine modalities that may improve chemotherapyrelated cognitive impairment include mind–body techniques and acupuncture, as well as nutrition and herbal therapies. Studies on these modalities have not directly tested the hypothesis of modifying chemotherapy-related cognitive impairment and were done on different disorders of memory loss and lack of concentration. We recommend conducting further research on the potential role of complementary and integrative medicine modalities in the treatment and prevention of chemotherapy-related cognitive impairment. Keywords Chemotherapy-related cognitive impairment Integrative medicine Complementary alternative medicine Supportive care Cancer
Introduction Chemotherapy-related cognitive impairment is a phenomenon of cognitive decline that patients may experience during or after chemotherapy [1]. Memory loss and lack of concentration and attention are the most frequent symptoms encountered [2].
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