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[Recurrence of upper urinary tract calculi].
S Mitsuhashi1, T Hikage, K Kawamura
1Department of Urology, Tokyo Kosei Nenkin Hospital.
Hinyokika Kiyo. Acta Urologica Japonica
|September 1, 1988
Summary
Urinary tract stone recurrence is high, with over 50% of patients experiencing re-formation within 8 years. Uric acid stones and prior surgery increase recurrence risk, favoring pyelolithotomy for better outcomes.
Area of Science:
- Urology
- Nephrology
- Medical Science
Context:
- Upper urinary tract stones (urolithiasis) represent a significant clinical challenge.
- Understanding stone recurrence patterns is crucial for effective long-term patient management.
- Historical data up to 1984 provides a baseline for recurrence rates in urolithiasis.
Purpose:
- To investigate the long-term recurrence rates of upper urinary tract stones.
- To identify factors influencing stone recurrence, including patient history and stone composition.
- To compare surgical approaches in relation to stone recurrence.
Summary:
- A 9-year study of 634 urolithiasis patients revealed a high recurrence rate, with 51.4% experiencing re-formation within 8 years.
- Recurrent stone formers showed a higher subsequent recurrence rate than primary stone formers.
- Factors such as uric acid composition, urinary tract infection, and prior renal surgery were associated with rapid stone growth and recurrence.
- Pyelolithotomy demonstrated a preference over renal parenchymal incision for managing recurrent stone formation.
Impact:
- Highlights the significant long-term burden of upper urinary tract stone recurrence.
- Informs clinical decision-making regarding surgical interventions and patient follow-up strategies.
- Emphasizes the importance of considering stone composition and patient history in predicting recurrence risk.