Tea and coffee consumption and pathophysiology related to kidney stone formation: a systematic review
- PDF / 803,960 Bytes
- 10 Pages / 595.276 x 790.866 pts Page_size
- 62 Downloads / 174 Views
INVITED REVIEW
Tea and coffee consumption and pathophysiology related to kidney stone formation: a systematic review Yazeed Barghouthy1,2 · Mariela Corrales1,2 · Steeve Doizi1,2 · Bhaskar K. Somani3 · Olivier Traxer1,2 Received: 29 May 2020 / Accepted: 21 September 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Objective To explore the mechanisms behind the potential protective effect of coffee and tea consumption, regarding urinary stone formation, previously demonstrated in large epidemiological studies. Methods A systematic review was performed using the Medline, Cochrane library (CENTRAL) and Scopus databases, in concordance with the PRISMA statement. English, French and Spanish language studies, regarding the consumption of caffeinated and decaffeinated coffee and tea, and the relationship to urinary stone formation were reviewed. Meta-analyses, systematic reviews, case reports and letters, unpublished studies, posters and comments abstracts were excluded. Results As per the inclusion criteria, 13 studies were included in the final review. The major findings show that caffeine increases urinary excretion of calcium, sodium and magnesium, in addition to a diuretic action with consumption > 300– 360 mg (approximately four cups of coffee). Together with other components of coffee, this beverage might have potential protective effects against the formation of urinary stones. Tea exerts many protective effects against stone formation, through the accompanying water intake, the action of caffeine and the effects of components with antioxidant properties. Conclusion Caffeine has a hypercalciuric effect, balanced partially by a diuretic effect which appears after consumption of large quantities of caffeine. The current available literature supports in general, a potentially protective role for tea against stone formation, mainly for green tea. Additional standardization in this field of research, through specification of tea and coffee types studied, and their respective compositions, is needed for further clarification of the relation between coffee, tea and urinary stones. Keywords Caffeine · Coffee · Tea · Theophylline · Black tea · Green tea · Methylxanthine · 1-methyluric acid · Nephrolithiasis · Urinary stones · Risk · Mechanisms · Urolithiasis · Prevention · Kidney stone · Renal stone · Calculi Abbreviations CaOx Calcium oxalate COM Calcium oxalate monohydrate COD Calcium oxalate dihydrate ANP Atrial natriuretic peptide NO Nitric oxide
Prof. Olivier Traxer is a consultant for Coloplast, Rocamed, Olympus, EMS, Boston Scientific and IPG. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00345-020-03466-8) contains supplementary material, which is available to authorized users. * Olivier Traxer [email protected] Extended author information available on the last page of the article
Introduction Nephrolithiasis is a complex disease with multiple factors associated to its development. The estimated prevalence is around 14
Data Loading...
