• Rahmi Aslan, Akif Erbin, Sebahattin Celik, Burak Ucpinar, Recep Eryilmaz, and Kerem Taken.
• Department of Urology, Yuzuncu Yil University Medical Faculty, Van, Turkey.
• Int. J. Urol. 2019 Aug 1; 26 (8): 833-838.

ObjectivesTo compare the efficacy, safety and cost of combinations of perineal pudendal nerve block + periprostatic nerve block and intrarectal local anesthesia + periprostatic nerve block with the standard technique (periprostatic nerve block).MethodsThe study was designed as a randomized prospective controlled trial. Patients with elevated serum prostate-specific antigen values (prostate-specific antigen ≥4 ng/mL) and/or abnormal digital rectal examination findings were included in the study. Patients with anorectal diseases, chronic prostatitis, previous history of prostate biopsy and anorectal surgery were excluded from the study. A total of 148 patients (group 1 [periprostatic nerve block], n = 48; group 2 [intrarectal local anesthesia + periprostatic nerve block], n = 51; group 3 [perineal pudendal nerve block + periprostatic nerve block], n = 49) were included in the final analysis. Pain during insertion and manipulation of the transrectal ultrasound probe was recorded as visual analog scale 1, pain during penetration of the biopsy needle into the prostate and sampling was recorded as visual analog scale 2, and pain during the entire procedure recorded as visual analog scale 3.ResultsThe mean visual analog scale 1 score was significantly lower in group 3, when compared with group 1 and group 2 (P < 0.001). There was no significant difference between the groups in terms of the mean visual analog scale 2 score. The mean visual analog scale 3 score was significantly lower in group 3 when compared with other groups (P < 0.001). The total cost for transrectal ultrasound-guided biopsy in the intrarectal local anesthesia + periprostatic nerve block group was significantly higher than the other two groups.ConclusionsThe combination of perineal pudendal nerve block and periprostatic nerve block provides more effective pain control than intrarectal local anesthesia plus periprostatic nerve block and periprostatic nerve block alone, with similar complication rates and without increasing cost.© 2019 The Japanese Urological Association.

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