Quality Control Indicators for Transurethral Resection of Non-Muscle-Invasive Bladder Cancer.

Complete transurethral resection of bladder tumor (TURBT) is the initial procedure of choice for non-muscle-invasive bladder cancer, but its quality is far from optimal in clinical practice. We evaluated the existing body of evidence substantiating current quality control indicators (QCIs) for TURBT. A literature search was performed using PubMed and Embase, and selected articles were reviewed according to their level of evidence. Disease recurrence and progression were used as the primary end points. No hard evidence supports complete resection as a QCI, but rationally, it is the most important indicator for TURBT. A repeat resection is an important QCI in high-risk disease patients, but evidence suggests that it may not be necessary when detrusor muscle is present in the initial resection specimen. The presence of detrusor muscle in the resection specimen is a validated QCI for TURBT. Adjuvant intravesical instillation is a scientifically proven QCI. Bladder perforation is a controversial QCI in the existing literature. No evidence indicates the ideal time frame for the initial TURBT; thus, initial therapy in the first 6 weeks after diagnosis is not a good QCI. Three of the 6 proposed QCIs for TURBT are supported by evidence. Our literature analysis indicated the use of complete resection, repeat resection, the presence of detrusor muscle, and intravesical instillation are QCIs to minimize recurrence and progression, and increase beneficial outcomes.

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