ArticleIn vivo (Athens, Greece)
Poor Prognosis With Intravesical Bacillus Calmette-Guérin History After Photodynamic Diagnosis-assisted Transurethral Resection Using 5-Aminolevulinic Acid.
Article in In vivo (Athens, Greece). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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6 authors.
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Abstract
BACKGROUND/
aimDiagnostic efficacy and treatment outcome of orally administered 5 aminolevulinic acid (ALA) assessment for photodynamic diagnosis (PDD) in transurethral resection for non-muscle-invasive bladder cancer (NMIBC) in clinical practice. PATIENTS AND
methodsA retrospective analysis was performed of 105 patients who underwent PDD transurethral resection using orally administered ALA and were pathologically diagnosed with Ta, T1, or Tis at the Ishikawa Prefectural Central Hospital from December 2018 to May 2022.
resultsFluorescent light had a significantly higher sensitivity but a lower specificity in detecting carcinoma compared to white light (91.7% vs. 77.1%; p<0.05 and 43.0% vs. 85.2%; p<0.05, respectively), as well as in detecting carcinoma in situ lesions (80.4% vs. 28.6%; p<0.05 and 23.3% vs. 84.5%; p<0.05, respectively). The cumulative frequency of recurrence and progression 1 year after treatment were 26.3% and 12.3%, respectively. Multivariate analyses indicated that a Bacillus Calmette-Guérin (BCG) history instillation was an independent predictive factor for intravesical recurrence (hazard ratio=4.439; p=0.002) and disease progression (hazard ratio=8.534; p=0.005). The 1-year cumulative recurrence rates were 66.2% and 16.5%, respectively (p<0.001), and progression rates for patients with and without prior BCG intravesical instillation were 50.4% and 3.5%, respectively (p<0.001).
conclusionSufficient diagnostic accuracy and relatively good treatment outcome was shown in PDD-transurethral resection using ALA. However, prior BCG intravesical instillation for NMIBC patients was a poor prognostic factor of cancer recurrence and progression, and may be useful for clinicians in their postoperative follow-up.
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