Is the periprostatic anesthetic blockade advantageous in ultrasound-guided prostate biopsy?

OBJECTIVE: To assess the benefit of the periprostatic administration of lidocaine previously to ultrasound-guided prostate biopsy. MATERIALS AND METHODS: In the period from April to October 2002, forty patients underwent ultrasound-guided prostate biopsy due to increased PSA or abnormal digital rectal examination. A randomized double-blind study was performed, where the patients received an injection of lidocaine 2% or saline solution, in a total of 10 ml periprostatic. Immediately following the biopsy, the pain associated to the procedure was assessed, using a visual analogical scale from 0 t...