期刊
PSYCHO-ONCOLOGY
卷 24, 期 8, 页码 958-966出版社
WILEY-BLACKWELL
DOI: 10.1002/pon.3707
关键词
cancer; oncology; cognition; yoga; physical activity
资金
- NCATS NIH HHS [UL1 TR001070] Funding Source: Medline
- NCI NIH HHS [K05 CA172296, P30 CA016058, CA016058, R01 CA126857] Funding Source: Medline
- NCRR NIH HHS [UL1 RR025755, UL1RR025755] Funding Source: Medline
ObjectivesCancer survivors often report cognitive problems. Furthermore, decreases in physical activity typically occur over the course of cancer treatment. Although physical activity benefits cognitive function in noncancer populations, evidence linking physical activity to cognitive function in cancer survivors is limited. In our recent randomized controlled trial, breast cancer survivors who received a yoga intervention had lower fatigue and inflammation following the trial compared with a wait list control group. This secondary analysis of the parent trial addressed yoga's impact on cognitive complaints. MethodsPosttreatment stage 0-IIIA breast cancer survivors (n=200) were randomized to a 12-week, twice-weekly Hatha yoga intervention or a wait list control group. Participants reported cognitive complaints using the Breast Cancer Prevention Trial Cognitive Problems Scale at baseline, immediately postintervention, and 3-month follow-up. ResultsCognitive complaints did not differ significantly between groups immediately postintervention (p=0.250). However, at 3-month follow-up, yoga participants' Breast Cancer Prevention Trial Cognitive Problems Scale scores were an average of 23% lower than wait list participants' scores (p=0.003). These group differences in cognitive complaints remained after controlling for psychological distress, fatigue, and sleep quality. Consistent with the primary results, those who practiced yoga more frequently reported significantly fewer cognitive problems at 3-month follow-up than those who practiced less frequently (p<0.001). ConclusionsThese findings suggest that yoga can effectively reduce breast cancer survivors' cognitive complaints and prompt further research on mind-body and physical activity interventions for improving cancer-related cognitive problems. Copyright (c) 2014 John Wiley & Sons, Ltd.
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