nutrizione

A tale of 100 kidney stones

Crohn’s disease with diarrhea predisposes to calcium oxalate stones primarily because of enteric hyperoxaluria from fat malabsorption and saponification resulting in usage of calcium and less formation of insoluble calcium oxalate salts in the intestinal lumen. There is thus increased gastrointestinal oxalate absorption leading to increased urinary oxalate excretion. Other factors include increased oxalate colonic mucosa permeability and gastrointestinal tract decolonization of the … Leggi tutto

Calcium Oxalate Nephrolithiasis and Gut Microbiota: Not just a Gut-Kidney Axis. A Nutritional Perspective

Recent studies have shown that patients with kidney stone disease, and particularlycalcium oxalate nephrolithiasis, exhibit dysbiosis in their fecal and urinary microbiota comparedwith controls. The alterations of microbiota go far beyond the simple presence and representation ofOxalobacter formigenes, a well-known symbiont exhibiting a marked capacity of degrading dietaryoxalate and stimulating oxalate secretion by the gut … Leggi tutto

Dietary Risk Factors for Incident and Recurrent Symptomatic Kidney Stones

… Results: In fully adjusted analyses, lower dietary calcium, potassium, caffeine, phytate, and fluid intake were all associated with a higher odds of an incident symptomatic kidney stone. Among incident stone formers, 73 experienced symptomatic recurrence during a median 4.1 years of followup. Adjusting for body mass index, fluid intake, and energy intake, lower dietary … Leggi tutto

Calcium and Vitamin D Supplementation and Their Association with Kidney Stone Disease: A Narrative Review

Abstract: Kidney stone disease is a multifactorial condition influenced by both genetic predispositionand environmental factors such as lifestyle and dietary habits. Although different monogenic polymorphismshave been proposed as playing a causal role for calcium nephrolithiasis, the prevalenceof these mutations in the general population and their complete pathogenetic pathway is yet tobe determined. General dietary advice … Leggi tutto

Percorso diagnostico-terapeutico per il paziente con calcolosi renale: update 2020

La storia naturale della calcolosi urinaria è quella di una patologia che tende a recidivare e che può associarsi ad aumentato rischio di malattia renale cronica, ossea e cardiovascolare. Per questo una ampia valutazione clinico-metabolica del paziente è di grande importanza sin dalla prima presentazione della calcolosi, allo scopo di impostare un appropriato trattamento preventivo. … Leggi tutto

‘Bad dietary habits’ and recurrent calcium oxalate nephrolithiasis

Case report: A 32-year-old truck driver had previously been treated with allopurinol because of hyperuricaemia and gouty =Protein consumption (g/day) arthritis. After having first formed a kidney stone at (adapted from [5]); age 20, he had passed calculi annually for 8 years before he finally underwent ESWL for bilateral radio- it amounted to 108.1 g … Leggi tutto

Iter diagnostico e terapia della calcolosi

La nefrolitiasi è una malattia diffusa nella popolazione generale con una prevalenza in aumento negli ultimi anni. La sua rilevanza clinica è gravata dalla tendenza a recidivare comportando così un rischio aggiuntivo di complicanze sia renali (fino alla malattia renale cronica) che extrarenali (come la malattia metabolica dell’osso). D’altra parte l’inquadramento clinico della malattia può … Leggi tutto

Demographic, Dietary, and Urinary Factors and 24-h Urinary Calcium Excretion

Background and objectives: Higher urinary calcium is a risk factor for nephrolithiasis. This study delineated associations between demographic, dietary, and urinary factors and 24-h urinary calcium. Design, setting, participants, & measurements: Cross-sectional studies were conducted of 2201 stone formers (SF) and 1167 nonstone formers (NSF) in the Health Professionals Follow-up Study (men) and Nurses’ Health … Leggi tutto