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[Magnesium excretion in recurrent calcium urolithiasis]
Der Urologe. Ausg. A
|September 1, 1985
Summary
Recurrent calcium urolithiasis patients with low magnesium excretion (hypomagnesuria) were identified as a distinct metabolic subgroup. This finding suggests hypomagnesuria may be a key factor in non-infectious kidney stone formation.
Area of Science:
- Nephrology
- Metabolic Disorders
- Urology
Context:
- Recurrent calcium urolithiasis affects a significant patient population.
- Metabolic classification is crucial for understanding stone formation.
- Renal magnesium handling plays a role in urolithiasis.
Purpose:
- To identify metabolic abnormalities in patients with recurrent calcium urolithiasis.
- To investigate the role of magnesium excretion in stone formation.
- To characterize patients with hypomagnesuria as the sole metabolic abnormality.
Summary:
- A subset of 122 patients with recurrent non-infectious calcium urolithiasis exhibited marked hypomagnesuria.
- This hypomagnesuria was the only identified metabolic abnormality in 21.6% of patients.
- Reduced 24-h urine magnesium excretion and magnesium-to-calcium ratios were observed in these patients, independent of other factors.
Impact:
- Highlights hypomagnesuria as a potential independent risk factor for calcium urolithiasis.
- Suggests targeted magnesium monitoring and supplementation for specific stone formers.
- Informs personalized metabolic management strategies for recurrent kidney stone disease.