Factors Affecting Calcium Oxalate Stone Regrowth
Author Information
Author(s): Costa-Bauzá A, Perelló J, Isern B, Sanchis P, Grases F
Primary Institution: University Institute of Health Sciences Research (IUNICS), University of Balearic Islands
Hypothesis
What urinary conditions and crystallization inhibitors affect the regrowth of calcium oxalate dihydrate renal calculi fragments after shock wave lithotripsy?
Conclusion
The study found that high urinary pH and hypercalciuria significantly increase the growth rate of calcium oxalate dihydrate stone fragments, while certain crystallization inhibitors can effectively slow this growth.
Supporting Evidence
- The growth rate of COD calculi fragments was approximately ten times greater under pH = 6.5 hypercalciuria conditions compared to other conditions.
- Phytate completely inhibited fragment growth at specific concentrations.
- Pyrophosphate caused an 87% reduction in mass under hypercalciuria conditions.
Takeaway
This study looked at how different conditions in urine can make kidney stones grow back after treatment, and found that some substances can help stop that growth.
Methodology
The study incubated post-ESWL calcium oxalate dihydrate fragments in synthetic urine with varying pH and calcium concentrations to measure growth rates.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website