Urolithiasis Epidemiology and Management

Urolithiasis, commonly known as kidney stone disease, affects a growing proportion of the global population, driven by demographic shifts, lifestyle factors and climate change. Incidence varies widely by region but overall exhibits an upward trend, with prevalence estimates ranging from 5 % to 15 % in many countries. Stone formation arises from urinary supersaturation of salts—most frequently calcium oxalate—promoted by low fluid intake, dietary imbalances and metabolic derangements such as hyperoxaluria, hypercalciuria and hypocitraturia. Clinical presentation spans asymptomatic microscopic calculi detected on imaging to severe renal colic and potential obstruction. Management strategies encompass acute pain control, spontaneous passage facilitation and interventional removal via ureteroscopy, extracorporeal shock wave lithotripsy or percutaneous nephrolithotomy. Preventive measures focus on tailoring fluid and dietary advice, pharmacotherapy to correct metabolic risk factors and, increasingly, modulation of the gut–renal axis. Advances in genomics, microbiome research and precision diagnostics are informing individualised risk stratification and the development of non-invasive therapies to reduce recurrence and disease burden.

Research from Nature Portfolio

Structural biology investigations have resolved the three-dimensional conformations of a bacterial membrane transporter responsible for gut oxalate uptake, illuminating molecular interactions that could be targeted to reduce host urinary oxalate levels. Meta-analytical surveys of population health data in East Asia have quantified rising stone prevalence across successive decades, identifying age-related increases and a consistent male predominance alongside stable urban–rural distributions. Large-scale genomic studies have uncovered both common and rare sequence variants influencing renal handling of calcium and oxalate, establishing genetic susceptibility loci that pave the way for precision prevention and therapeutic interventions.

Urolithiasis Epidemiology and Management publication trend

The graph below shows the total number of articles in urolithiasis epidemiology and management across all publications each year (not limited to Nature Index journals).

Technical terms

Hyperoxaluria: Elevated urinary excretion of oxalate, a major risk factor for calcium oxalate stone formation.

Hypercalciuria: Excessive urinary calcium loss that promotes supersaturation and crystal nucleation.

Hypocitraturia: Low urinary citrate levels, reducing citrate’s natural inhibitory effect on crystal aggregation.

Supersaturation: A state in which solute concentration in urine exceeds its solubility, leading to crystal formation.

Lithotripsy: A non-invasive procedure using shock waves or ultrasound to fragment urinary calculi for easier passage.

Genome-wide association study: An investigation that scans the genome for common genetic variants associated with disease susceptibility.

Oxalate transporter: A specialised membrane protein in gut bacteria that mediates the uptake of dietary oxalate molecules.

References

1. Structure and mechanism of oxalate transporter OxlT in an oxalate-degrading bacterium in the gut microbiota. Nature Communications (2023).
2. Multi-site microbiota alteration is a hallmark of kidney stone formation. Microbiome (2023).
3. Nutrition and Kidney Stone Disease. Nutrients (2021).
4. Prevalence of kidney stones in mainland China: A systematic review. Scientific Reports (2017).
5. Kidney Stone Prevention. Advances in Nutrition (2023).
6. Epidemiology of Kidney Stones. Healthcare (2023).
7. Common and rare variants associated with kidney stones and biochemical traits. Nature Communications (2015).
8. Body fatness, diabetes, physical activity and risk of kidney stones: a systematic review and meta-analysis of cohort studies. European Journal of Epidemiology (2018).