Nephrology - Kidney Stones

Pathway Contributor: Dawna Royall

Credentials:
FDC, MSc, RD

Bio:
Dawna Royall is a Senior Evidence Analyst for PEN® and is the Editor of the Canadian Journal of Dietetic Practice and Research. She is also a contract research consultant for the University of Guelph with research interests that focus on improving the effectiveness of nutrition services in primary care. She completed her undergraduate degree in nutrition at the University of Manitoba, a Dietetic Internship at Kingston General Hospital and an MSc in Nutritional Sciences at the University of Toronto. She has worked as a clinical dietitian and a research coordinator.

Contributions:

• What dietary and lifestyle factors have been associated with an increased risk of developing renal calculi (kidney stones) in individuals with no previous history of kidney stones?  

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• What dietary factors have been associated with a decreased risk of developing renal calculi (kidney stones) in individuals with no previous history of kidney stones?  

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• For the prevention of renal calculi (kidney stones), is a vegetarian diet (especially one high in dietary fibre, potassium and magnesium) associated with a lower risk of developing kidney stones compared to a mixed diet containing animal protein?  

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• What dietary factors are associated with a decreased recurrence of kidney stones in individuals with a prior history of nephrolithiasis?  

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• What are the effects of consuming beverages other than water (e.g. mineral water, soda, juice) on the recurrence of renal calculi (kidney stones)?  

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• Does a restriction of foods high in oxalate benefit patients with a propensity to form calcium oxalate kidney stones?  

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• For adults with a propensity to form calcium oxalate kidney stones, what are the effects of modifying dietary calcium and dietary sodium on kidney stone recurrence?  

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• Does a restriction of dietary vitamin C reduce the risk of stone formation in the general population or for those at risk of developing kidney stones?  

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• What role does caffeine play in the prevention of kidney stones in individuals with no history of kidney stones and for individuals with a history of developing kidney stones?  

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• Does restricting dietary purine decrease the risk of kidney stones in individuals with a history of developing kidney stones?  

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• What dietary recommendations can decrease the risk of uric acid kidney stones in individuals with a prior history of uric acid kidney stones?  

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• Do individuals with recurrent calcium oxalate stones who consume green tea have a lower incidence of recurrent kidney stones compared to those who drink black tea?  

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• What dietary strategies are effective in individuals with cystinuria to prevent recurrence of cystine kidney stones?  

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• What role does alcohol play in the prevention of kidney stones in individuals with no history of kidney stones and for individuals with a history of developing kidney stones?  

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• Nephrology - Kidney Stones Background

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