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Intravesical formalin for hemorrhagic cystitis: analysis of therapy
1Department of Urology, University of Rochester School of Medicine, New York.
The Journal of Urology
|April 1, 1989
Summary
Intravesical formalin effectively treats intractable hemorrhagic cystitis. Higher concentrations improve efficacy but increase morbidity, with optimal concentration varying by hematuria cause.
Area of Science:
- Urology
- Nephrology
- Oncology
Background:
- Intractable hemorrhagic cystitis is a challenging clinical condition.
- Intravesical formalin instillation is a recognized treatment modality.
Purpose of the Study:
- To analyze the effectiveness of intravesical formalin for hemorrhagic cystitis.
- To evaluate the impact of formalin concentration and hematuria etiology on treatment outcomes.
Main Methods:
- Literature search identifying 235 cases of hemorrhagic cystitis treated with intravesical formalin.
- Analysis of treatment effectiveness, recurrence rates, morbidity, and mortality.
- Stratification of results based on formalin concentration and cause of hematuria.
Main Results:
- Increasing formalin concentration improved efficacy and reduced recurrence but raised morbidity.
- Lower formalin concentrations were effective for cyclophosphamide cystitis and bladder cancer.
- Higher concentrations were needed for radiation-induced cystitis.
Conclusions:
- Intravesical formalin is effective for intractable hemorrhagic cystitis.
- Formalin concentration should be tailored to the underlying cause of hematuria.
- Balancing efficacy and morbidity is crucial in treatment selection.