Korean J Urol Oncol.  2021 Aug;19(3):148-154. 10.22465/kjuo.2021.19.3.148.

Predictive Factors for Acute Urinary Retention After Transperineal Template-Guided Mapping Biopsy

Affiliations
  • 1Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea

Abstract

Purpose
We investigated the predictive factors for acute urinary retention (AUR) after transperineal template-guided mapping biopsy (TTMB).
Materials and Methods
We retrospectively reviewed the records of 459 patients who had undergone TTMB between May 2017 and July 2020. Overall complications after TTMB were analyzed and categorized according to the Clavien-Dindo classification. Factors that were likely to affect AUR were analyzed using a logistic regression model.
Results
Overall complications after TTMB were observed in 95 of the 459 patients (20.7%), of which AUR was the most commonly reported (17.4%, n=80), followed by hematuria (3.1%, n=14). Hematuria in one patient was categorized as Clavien-Dindo grade IIIa. All remaining complications were Clavien-Dindo grade I. In the multivariate regression model, age ≥65 (odds ratio, 2.44; 95% confidence interval [CI], 1.42–4.17; p=0.001), prostate volume ≥30 mL (odds ratio, 3.72; 95% CI, 1.19–11.62; p<0.02), and number of biopsy cores ≥30 (odds ratio, 2.89; 95% CI, 1.29–6.43; p=0.01) were identified as the predictors for AUR after TTMB.
Conclusions
AUR is the most common complication after TTMB. Age ≥65 years, prostate volume ≥30 mL, and number of biopsy cores ≥30 were significant predictors of AUR following TTMB.

Keyword

Prostate biopsy, Transperineal, Complication, Acute urinary retention, Predictor
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