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Developments in stone prevention

Michael Straub1, Richard E Hautmann

  • 1Urolithiasis Research Group, Department of Urology and Pediatric Urology, University of Ulm, Prittwitzstrasse 43, D-89075 Ulm, Germany. michael.straub@medizin.uni-ulm.de

Current Opinion in Urology
|February 24, 2005
PubMed
Abstract

Insights

Lifestyle and dietary changes can significantly reduce kidney stone recurrence risk for most patients. Addressing factors like obesity and modern diets is key to effective stone prevention, with medication for a smaller percentage.

Area of Science:

  • Nephrology
  • Metabolic Medicine
  • Preventive Medicine

Background:

  • Limited progress in stone prevention due to a lack of randomized controlled trials.
  • Theoretical assumptions and preventive concepts require empirical validation.

Purpose of the Study:

  • To review current knowledge on metabolic factors influencing kidney stone formation.
  • To outline effective preventive measures against stone disease.

Main Methods:

  • Review of existing literature on metabolic influences and stone disease.
  • Analysis of cross-sectional studies correlating lifestyle factors with kidney stones.

Main Results:

  • Modern lifestyle, diet, and obesity promote idiopathic stone disease.
  • Normalization of BMI, physical activity, nutrition, and fluid intake are crucial preventive strategies.
  • Diets high in animal protein, refined carbohydrates, and salt increase metabolic acid load; adequate potassium and alkali intake are beneficial.
  • Calcium restriction is generally not advised, except in absorptive hypercalciuria with thiazide and citrate therapy.

Conclusions:

  • Lifestyle and dietary reorientation can lower stone recurrence risk by up to 85%.
  • Addressing major risk factors is cost-effective for stone prevention.
  • Approximately 15% of stone formers require specific pharmacological interventions.

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