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[Correlation between urinary stones and urinary tract infections]
Peilin Chen1, Liguo Zhang2, Bin Meng1
1Department of Urology, Tangshan Workers'Hospital, Tangshan 063000, China.
Summary
Urinary tract stones are frequently linked to infections, with bacteria like E. coli and Staphylococcus epidermidis commonly found. Detecting bacteria in patients with urinary calculi is crucial for preventing urinary tract infections.
Area of Science:
- Urology
- Microbiology
- Biochemistry
Context:
- Urinary tract infections (UTIs) and urinary stones are common urological conditions.
- The relationship between bacterial infections and the formation of urinary calculi requires further investigation.
Purpose:
- To explore the correlation between urinary stones and urinary tract infections.
- To identify the types of bacteria associated with infected urinary stones.
- To compare the composition of infected versus non-infected urinary stones.
Summary:
- This study analyzed 300 urinary stone cases, identifying 96 (32%) as infected stones.
- Common bacteria found included E. coli, Staphylococcus epidermidis, and Proteus mirabilis.
- Infected stones were significantly associated with higher rates of urine abnormalities, positive urine cultures, positive intraoperative swabs, and post-operative UTIs.
- Infected stones showed a higher incidence of magnesium ammonium phosphate, carbonate apatite, and hydroxyapatite, while non-infected stones were more commonly calcium oxalate and uric acid.
Impact:
- Findings highlight the critical role of bacterial infections in urinary stone formation and recurrence.
- Emphasizes the importance of bacterial detection in patients with urinary calculi to guide treatment and prevent UTIs.
- Provides insights into the specific stone compositions associated with infection, aiding in targeted therapeutic strategies.
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