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Article Dans Une Revue Comptes Rendus. Chimie Année : 2022

Urinary tract infection inducing stones: some clinical and chemical data

Résumé

Most papers on kidney stones arising from infection concentrate on the mineral struvite. In this contribution, we would like to call attention to other mineral phases such as highly carbonated calcium phosphate apatite, ammonium urate, and whitlockite, by presenting clinical and chemical data. We start with epidemiological data which emphasize the increase in the prevalence of kidney stones related to infection. Then we present a statistical analysis of more than 85,000 stones which have been analysed at the Laboratoire des Lithiases of Assistance Publique-Hôpitaux de Paris which gives insights regarding the link between urinary tract infection and struvite, carbonated calcium phosphate apatite (carbapatite), and also surprisingly whitlockite. Some information regarding the pathogenesis of kidney stones linked to infection, the nature of the bacteria which have been identified, and the approach to precisely analyse infrared spectra to identify struvite, carbapatite, and whitlockite, conclude this first part. To complete this clinical description, we describe the crystallographic structure and the chemistry of three relevant compounds namely carbonated calcium phosphate, struvite, and whitlockite. To conclude this second part, the dependence of crystallite morphology of struvite on pH and on the presence, or absence, of bacteria, is described. Based on clinical and chemical data, it is becoming clear that struvite is not the only mineral intimately related to renal infectious processes, but that whitlockite and carbapatite with a high carbonation rate are strongly associated with urinary tract infection as well.

Domaines

Chimie

Dates et versions

hal-04057288 , version 1 (04-04-2023)

Identifiants

Citer

Michel Daudon, Margaux Petay, Sophie Vimont, Ariane Deniset-Besseau, Frederik Tielens, et al.. Urinary tract infection inducing stones: some clinical and chemical data. Comptes Rendus. Chimie, 2022, 25, pp.315-334. ⟨10.5802/crchim.159⟩. ⟨hal-04057288⟩
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