期刊
INTERNATIONAL JOURNAL OF UROLOGY
卷 20, 期 11, 页码 1118-1122出版社
WILEY-BLACKWELL
DOI: 10.1111/iju.12120
关键词
heparin; interstitial cystitis; intravesical instillation; lidocaine
资金
- Grants-in-Aid for Scientific Research [23592358] Funding Source: KAKEN
ObjectivesTo examine outcomes of intravesical instillations of heparin and alkalized lidocaine in patients with interstitial cystitis. MethodsPatients with interstitial cystitis refractory to conventional therapies were given a solution of 20000U heparin, 5mL 4% lidocaine and 25mL 7% sodium bicarbonate, intravesically, weekly for 12 weeks consecutively. The treatment was regarded as effective, when patients rated slightly improved or better on a seven-graded scale of global response assessment. Other assessment measures included O'Leary and Sant's symptom index and problem index, visual analog scale for pain, and frequency volume chart variables. ResultsA total of 32 patients were enrolled in the study. The average age was 63.3 years. All participants had received hydrodistension 2.2 times on average, and fulfilled National Institute of Diabetes and Digestive and Kidney Diseases criteria. The therapy was effective in 60.0% of the patients at the fourth instillation, in 76.7% at the last instillation, and 90.0%, 46.7% and 16.7% at 1, 2 and 6 months after the last instillation, respectively. Most of other assessment measures improved significantly at the fourth instillation and further beyond until the end of therapy. On termination of therapy, the efficacy gradually diminished, yet mostly maintained statistical significance by 2 months post-instillation. No severe adverse events occurred. ConclusionsA 12-week course of weekly intravesical instillations of heparin combined with alkalized lidocaine is safe and effective in relieving symptoms in interstitial cystitis patients. The effect of the treatment is maintained for 6 months. Further studies are required to optimize the number of instillations and maintenance intervals in order to maximize the therapeutic potential of simple or combined instillations in the management of interstitial cystitis.
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