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An omega 3 fatty acid supplemented diet was not associated with enhanced survival in maintenance haemodialysis: the Fish and Fruit Study
Barzi, F and Hughes, JT and Singh, G and Lawton, P and Coffey, P and Jose, M and Snelling, P and Hall, H and Cass, A and O'Dea, K, An omega 3 fatty acid supplemented diet was not associated with enhanced survival in maintenance haemodialysis: the Fish and Fruit Study, Renal Society of Australasia Journal, 16, (2) pp. 69-82. ISSN 2208-4088 (2020) [Refereed Article]
Copyright 2020 Renal Society of Australasia
Background: Aboriginal people requiring haemodialysis experience high cardiovascular mortality. Dietary interventions have uncertain effects on mortality and cardiovascular events in people with end-stage kidney disease (ESKD).
Aim: To determine if a dietary intervention of fish and fruit would decrease all-cause and cardiovascular mortality in Aboriginal people requiring haemodialysis.
Methods: A randomised dietary intervention of 300gm fish and five portions of fruit spaced over three dialysis treatments per week versus usual renal diet. Blood concentrations of omega-3 and omega-6 polyunsaturated fatty acids (n-3 PUFA and n-6 PUFA respectively) were recorded over a 12-month period.
Results: The mean age of the 151 randomised patients was 53 years; 42% were males, 94% of Aboriginal people and 74% with diabetes. There was no significant difference in n-3 PUFA concentration over the follow-up. The cardiovascular mortality rate was not different between the intervention and control group assessed at 2.1 years follow-up (3.7 v 4.3%, p=0.92), or at 5.0 years follow-up (19.7% v 21.8%, p=0.93).
Conclusions: The 12-month diet intervention including fish and fruit meal supplementation did not provide a survival advantage in patients with very low baseline n-3:n-6 PUFA ratio.
|Item Type:||Refereed Article|
|Keywords:||haemodialysis, diet, aboriginal, mortality, cardiovascular disease, chronic kidney disease, dialysis, end-stage kidney disease, cardiovascular|
|Research Division:||Biomedical and Clinical Sciences|
|Research Group:||Clinical sciences|
|Research Field:||Nephrology and urology|
|Objective Group:||Clinical health|
|Objective Field:||Treatment of human diseases and conditions|
|UTAS Author:||Jose, M (Professor Matthew Jose)|
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