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Association of Dietary Approaches to Stop Hypertension Diet and Risk of Bladder Cancer: A Case–Control Study Publisher Pubmed



Hajjar M1 ; Rezazadeh A2 ; Naja F3 ; Kardoust Parizi M4, 5 ; Asadimehr S6 ; Rashidkhani B2
Authors
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Authors Affiliations
  1. 1. Student Research Committee, (Department community nutrition and Faculty of nutrition sciences and food technology), Shahid Beheshti University of Medical Sciences, Tehran, Iran
  2. 2. Department of Community Nutrition, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Sciences and Food Technology Shahid Behehshti University of Medical Sciences, Tehran, Iran
  3. 3. Department of Clinical Nutrition and Dietetics, College of Health Sciences, Research Institute of Medical & Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab Emirates
  4. 4. Department of Urology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Department of Urology, Medical University of Vienna, Vienna, Austria
  6. 6. Student Research Committee (Department of Nutrition Faculty of Medicine), Mashhad University of Medical Sciences, Mashhad, Iran

Source: European Journal of Cancer Care Published:2022


Abstract

Objective: The Dietary Approaches to Stop Hypertension (DASH) diet is rich in recommended foods that are inversely associated with bladder cancer (BC) risk. The main objective of this study was to investigate the association between adherence to DASH diet and the risk of BC among Iranian adults. Method: This study included 103 BC cases and 200 controls. The controls were patients who were hospitalised for acute non-neoplastic diseases. DASH scores were computed from dietary intake assessed by a previously validated food frequency questionnaire. Results: After controlling for potential confounders, participants in the highest quintile of DASH (compared to the lowest quintile) had 84% lower BC risk (OR = 0.16; 95%CI: 0.05–0.45; p trend = 0.001). Among the DASH components, significant negative associations were observed between low fat dairy and whole grains intake with BC (p value < 0.05). A positive relation was observed for sodium, nuts and legumes, and sweetened beverages (p value < 0.05). Conclusion: The results of this study suggested that adherence to DASH might be associated with reduced risk of BC. These findings could be used to develop evidence-based recommendations for the prevention of BC. © 2022 John Wiley & Sons Ltd.
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