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Related Experiment Videos

[Staghorn renal lithiasis treated with shock waves. Bacteriologic aspects]

R A Durlach1, J E Toblli, C Gigler

  • 1Hospital Alemán, Buenos Aires, Argentina.

Medicina
|January 1, 1994
PubMed
Summary

Struvite kidney stones, often linked to urinary tract infections (UTIs), can persist after extracorporeal shock wave lithotripsy (ESWL). This study found a high rate of UTIs post-ESWL, suggesting stones harbor bacteria.

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Area of Science:

  • Urology
  • Infectious Diseases
  • Microbiology

Context:

  • Struvite renal stones form due to urease-producing bacteria, leading to alkaline urine and stone crystallization.
  • These infected stones act as a persistent source of infection, causing recurrent urinary tract infections (UTIs).
  • Extracorporeal shock wave lithotripsy (ESWL) is a common treatment for kidney stones, but its impact on infection requires investigation.

Purpose:

  • To investigate the bacteriologic status of patients before and after ESWL for struvite renal stones.
  • To assess the risk of bacteremia and persistent bacteriuria following ESWL treatment.

Summary:

  • This study analyzed urine and blood cultures from 80 patients undergoing ESWL for renal stones.
  • Pre-ESWL UTIs were present in 52.5% of patients, increasing to 60% post-ESWL.

Related Experiment Videos

  • Bacteriuria post-ESWL was observed in 6 patients, likely due to bacteria within the calculi, with a low risk of bacteremia.
  • Impact:

    • The findings highlight the significant prevalence of UTIs associated with struvite stones, even after ESWL.
    • ESWL may not fully eradicate bacteria within stones, potentially leading to persistent or recurrent infections.
    • Further research into managing infected stones and optimizing treatment strategies is warranted.