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Prevention of recurrent kidney stones by high in calcium potassium diet - Video
Overview
Changes in diet are often prescribed to prevent recurrent symptomatic kidney stones. However, little research is available regarding dietary changes for those who have one incident of kidney stone formation versus those who have recurrent incidents.
Mayo Clinic researchers designed a prospective study to investigate the impact of dietary changes.
Dietary factors were based on a questionnaire administered to 411 patients who had experienced first-time symptomatic kidney stones and a control group of 384 people — all of whom were seen at Mayo Clinic in Rochester and Mayo Clinic in Florida between 2009 and 2018. The findings, which were published in Mayo Clinic Proceedings, show that lower dietary calcium and potassium, as well as lower intake of fluids, caffeine, and phytate, are associated with higher odds of experiencing a first-time symptomatic kidney stone.
Of the patients who had first-time stone formation, 73 experienced recurrent stones within a median of 4.1 years of follow-up. Further analysis found that lower levels of dietary calcium and potassium predicted recurrence.
The takeaway as per the authors is that patients should add more fruits and vegetables that are high in calcium and potassium to their diets. Fruits that are high in potassium include bananas, oranges, grapefruits, cantaloupes, honeydew melons, and apricots. Vegetables include potatoes, mushrooms, peas, cucumbers, and zucchini.
Ref:
Andrew Rule et. al, Dietary Risk Factors for Incident and Recurrent Symptomatic Kidney Stones, Mayo Clinic Proceedings, 1-Aug-2022,
Speakers
Isra Zaman
B.Sc Life Sciences, M.Sc Biotechnology, B.Ed