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[Genetic and environmental factors implicated in recurrent calcium lithiasis]
K S Ang1, J P Mighard, F Triffard
1Service de Néphrologie, Centre Hospitalier La Beauchée.
Nephrologie
|January 1, 1993
Summary
Family history and restricted calcium intake increase calcium stone disease risk. Recurrence is earlier in females, particularly those with a family history of urinary calculi.
Area of Science:
- Nephrology
- Urology
- Genetics
Context:
- Calcium stone disease affects a significant portion of the population.
- Understanding the etiology of calcium stones is crucial for prevention and management.
- Genetic and environmental factors play a role in stone formation.
Purpose:
- To investigate the frequency of genetic and environmental risk factors in patients with calcium stone disease.
- To compare risk factors between patients with a single stone episode and those with recurrent stones.
- To identify factors associated with earlier stone recurrence in females.
Summary:
- Family history of urinary calculi was more prevalent in patients (28.4%) compared to controls (9%).
- Plasma 1-25-dihydroxyvitamin D3 levels were significantly higher in patients with a family history.
- A restricted calcium diet (<400 mg/day) was more common in patients, especially those with recurrent stones.
Impact:
- Identifies key risk factors for calcium stone disease, including family history and dietary habits.
- Highlights the role of genetics and environment in stone formation.
- Provides insights for targeted prevention strategies and patient counseling.