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Tolerability of prostate transrectal biopsies using gel and local anesthetics: results of a randomized clinical trial.

Author(s): Galosi AB, Minardi D, Dell'atti L, Yehia M, Muzzonigro G

Affiliation(s): Institute of Urology, University of Ancona School of Medicine, Azienda Ospedaliera Umberto 1st, Ancona, Italy.

Publication date & source: 2005-07, J Endourol., 19(6):738-43.

Publication type: Clinical Trial; Randomized Controlled Trial

PURPOSE: To evaluate the role of intrarectal EMLA, a new topical anesthetic cream, and lidocaine gel as local anesthesia during transrectal prostate biopsy and to observe whether gel temperature can improve pain control. PATIENTS AND METHODS: A series of 210 consecutive patients were randomized. Group 1 (N = 60) underwent intrarectal instillation of EMLA cream, group 2 (N = 50) 2.5% lidocaine gel, group 3 (N = 40) placebo, and group 4 (N = 60) no treatment. Patients in groups 2 and 3 were subdivided into subgroups according to instillation of warm or cooled gel. Pain control was assessed by a 10-point visual analog scale. RESULTS: The median pain scores were 2.6 in group 1, 3.8 in group 2, 3.9 in group 3, and 3.6 in group 4. In 16 patients (7.6%), the procedure was suspended because of pain: none group 1, 6.0% in group 2, 10% in group 3, and 15% ing group 4. The temperature of the lidocaine gel did not affect tolerability. Conclusion: Intrarectal instillation of EMLA cream is a simple, safe, and effective method of local anesthesia during transrectal prostate biopsy, superior to lidocaine gel, placebo, and no treatment.

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