ArticleInvestigative and clinical urology2025
Impact of regular cystoscopy on prognosis in non-muscle-invasive bladder cancer: A nationwide study.
Article in Investigative and clinical urology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Evaluating diagnostic performance of urinary biomarkers in the surveillance of non-muscle invasive bladder carcinoma: A systematic review.Investigative and clinical urology · 2025Pooled it
- Intravesical gemcitabine versus Bacillus Calmette-Guérin (BCG) for intermediate-/high-risk non-muscle-invasive bladder cancer during the BCG shortage: Safety, efficacy, and health-economic context.Investigative and clinical urology · 2026Observational
- Association of initial transurethral resection staging on survival in radical cystectomy patients.Investigative and clinical urology · 2026Article
- Diagnostic performance of narrow-band imaging and photodynamic diagnosis compared to white light cystoscopy for non-muscle invasive bladder cancer: A network meta-analysis of randomized trials.Investigative and clinical urology · 2026Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
purposeTransurethral resection of bladder tumors (TUR-BT) requires follow-up evaluation by cystoscopy. We sought to evaluate the prognosis of non-muscle-invasive bladder cancer (NMIBC) patients within 6 months of surgery to identify the optimal timing for the first cystoscopy after TUR-BT. MATERIALS AND
methodsIn this retrospective analysis, patients newly diagnosed with NMIBC were divided into two groups according to whether they underwent cystoscopy within 6 months after TUR-BT. We considered four outcomes: recurrence, progression, cancer-specific mortality, and all-cause mortality. Inverse probability treatment weighting (IPTW)-adjusted Kaplan-Meier analysis was performed to identify the difference in survival for each outcome stratified by cystoscopy status within 6 months after the first TUR-BT. We employed Cox regression models with IPTW to estimate the hazard ratios (HRs) of each outcome according to cystoscopy status.
resultsAmong 40,678 patients, 11,940 (29.4%) did not undergo cystoscopy within 6 months. The risk of recurrence was higher for patients who underwent cystoscopy than those who did not (HR 1.32, 95% confidence interval [CI] 1.26-1.38, p<0.001). By contrast, the cystoscopy group had a lower risk of progression compared to the non-cystoscopy group (HR 0.70, 95% CI 0.65-0.76, p<0.001), with lower cancer-specific mortality (HR 0.62, 95% CI 0.56-0.68, p<0.001) and all-cause mortality (HR 0.58, 95% CI 0.56-0.60, p<0.001).
conclusionsCystoscopy within 6 months was associated with a higher risk of recurrence but a lower risk of progression and death. Therefore, regular cystoscopy after the first TUR-BT for NMIBC is essential to ensure favorable survival outcomes.
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