Korean J Urol.  2004 Jul;45(7):663-666.

Effect of Periprostatic Nerve Blockade for Transrectal Ultrasound Guided Biopsy of the Prostate

Affiliations
  • 1Department of Urology, Seoul National University College of Medicine, Seoul, Korea. eslee@snu.ac.kr
  • 2Department of Radiology, Seoul National University Bundang Hospital, Seongnam, Korea.

Abstract

PURPOSE: The analgesic efficacy of the periprostatic nerve blockade during transrectal ultrasound guided prostatic biopsies was evaluated.
MATERIALS AND METHODS
A transrectal ultrasound guided prostate biopsy was performed in 90 men due to abnormal digital rectal examinations or elevated prostate specific antigens. During the biopsy, two groups of 45 patients were randomly assigned to receive either an injection of 1% lidocaine or no prior analgesia. Immediately after the biopsy the pain score was independently recorded by the patients using a 10-point linear scale.
RESULTS
The mean intraoperative pain scores were 2.7+/-1.7 and 4.9+/-2.6 in the lidocaine and control groups, respectively, and were significantly different (p<0.001). The mean immediate postoperative pain scores were 0.7+/-0.7 and 1.5+/-1.3 in the lidocaine and control groups, respectively, and were not significantly different (p=0.057). There were no differences in the complication rates between the two groups.
CONCLUSIONS
Our results show a significant benefit of periprostatic anesthesia over that in the controls (no anesthesia applied) in our randomized trial. This safe, simple and rapid technique should be applied before a transrectal ultrasound guided prostatic biopsy to reduce undue patient discomfort.

Keyword

Prostate; Biopsy; Anesthesia
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