Evaluating Guideline Adherence for T1 Bladder Cancer Treatment and Surveillance: A Retrospective German Multicenter Observation

Urologia Internationalis
Malte W VetterleinMichael Rink

Abstract

To mirror guideline-adherence for pT1 bladder cancer treatment in Northern Germany. Overall, 111 patients with pT1 diagnosis were treated at 4 institutions. Guideline-adherence was defined as repeat resection, instillation, and quarterly cystoscopy. Patient characteristics and pathological parameters were assessed. We summarized patients using descriptive analyses and evaluated guideline-adherence within selected subgroups. We created a multivariable model to identify predictors of guideline-adherence. Median age was 75 years (range 39-94 years), multifocal tumors were found in 44.1%, early instillation was performed in 33.3%, and repeat resection was performed in 77.5%. Of 62.2% who underwent instillation, 59.4% received BCG, while 40.6% received Mitomycin C or other agents. Cystoscopic follow-up was performed in 81.8%. Guideline-adherence was met in 56.8%. Patients aged below the median met adherence metrics more often compared to those above the median (66.7 vs. 46.3%; p = 0.030). Men more frequently met adherence metrics compared to women (62.1 vs. 37.5%; p = 0.038). More patients with multifocal tumors met all 3 adherence metrics (69.4 vs. 48.0%; p = 0.050), as compared to those with unifocal lesions. In multivariable anal...Continue Reading

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