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ADHERENCE TO THE MEDITERRANEAN-DASH INTERVENTION FOR NEURODEGENERATIVE DELAY DIET ON COGNITIVE STATUS IN CANCER SURVIVORS
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ADHERENCE TO THE MEDITERRANEAN-DASH INTERVENTION FOR NEURODEGENERATIVE DELAY DIET ON COGNITIVE STATUS IN CANCER SURVIVORS
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Journal Article
ADHERENCE TO THE MEDITERRANEAN-DASH INTERVENTION FOR NEURODEGENERATIVE DELAY DIET ON COGNITIVE STATUS IN CANCER SURVIVORS
2024
Overview
Cancer-related cognitive impairment is an understudied long-term effect of cancer treatment, with no standard way to mitigate the impact on cancer survivors. Dietary patterns, like the Mediterranean-DASH Diet Intervention for Neurodegenerative Delay (MIND) diet may improve cognition in aging populations, warranting further evaluation in post-treatment cancer patients who suffer from cognitive dysfunction. Therefore the purpose of this study was to determine the relationship between adherence to the MIND diet and cognitive dysfunction in cancer survivors. This was a secondary cross-sectional analysis of adult cancer survivors who were at least six months post-primary treatment. Subjective cognition was assessed via the Functional Assessment of Cancer Therapy - Cognitive Function (FACT-Cog) questionnaire, with perceived cognitive impairment (PCI) used as the primary score. MIND diet scores were calculated from dietary intake via the Diet History Questionnaire III (DHQIII). T-tests and linear regression models examined the relationship between MIND diet score and cognition. Regression models were adjusted for age, body mass index (BMI), physical activity, total caloric intake, and number of cancer treatments. Of 24 participants, all were White females with an average age of 58.5 ± 13.7 years and BMI of 29 ± 7.1 kg/m2. Most participants were breast cancer survivors (63%) and 50% of all participants underwent at least three treatments, where surgery (79%), chemotherapy (67%), and radiation (54%) were most common. The average MIND diet score was 6.3 ± 2.0 (range: 3.0-9.5) and mean PCI score was 21.67 ± 14.2 (range: 0-53), showing low to moderate MIND diet adherence and more cognitive impairment. There were no statistical differences in PCI between those with a low versus high MIND diet score (p = 0.29). MIND diet score was not a predictor of PCI status after adjustment (p = 0.39). Discussion and Implications: While subjective cognitive impairment was evident in the cohort, there was no significant relationship between the MIND diet score and cognitive status. Larger, more diverse studies are needed to observe the association between diet and cognition in cancer survivors. Interventional trials with additional quantitative assessments are warranted to investigate how diet can improve cognition in cancer survivors. The MIND diet has yet to be fully explored in cancer survivors, a population at risk for cognitive dysfunction.
Publisher
Oncology Nursing Society
Subject
