Pathophysiology of hypocitraturic nephrolithiasis.

L Lee Hamm, Kathleen S Hering-Smith

Journal: Endocrinology and metabolism clinics of North America 2003;31(4):885-93, viii

PMID: 12474636

Full Text on Elsevier Science View on PubMed

Abstract

Urinary citrate inhibits calcium stone formation by complexing calcium in a soluble form and by effects on urinary crystals to prevent growth to stones. Low urinary citrate has been recognized for several decades as a contributing factor in some stone forming patients, but recent studies have elucidated the mechanisms and derangements of the renal handling of citrate in various conditions. In addition, oral citrate as an alkalinizing agent can not only increase urinary citrate, but also favorably impact other stone-promoting conditions. This review will focus on the understanding of these concepts.

Address: Section of Nephrology and Hypertension, Department of Medicine, Tulane University Health Sciences Center, 1430 Tulane Avenue, New Orleans, LA 70112, USA. [email protected]

DOI: 10.1016/s0889-8529(02)00031-2

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MeSH Terms: Age Factors, Citrates, Female, Humans, Hydrogen-Ion Concentration, Kidney Calculi, Lithiasis, Male, Sex Factors