Dorsal penile nerve block for robot-assisted radical prostatectomy catheter related pain: a randomized, double-blind, placebo-controlled trial.

The outpatient opiate usage following discharge was calculated at the time of follow-up for catheter removal was decreased in the bupivacaine cohort (mean ± SD 68.5 ± 64.3 mg of MED) compared to the placebo cohort (47.3 ± 51.1 mg of MED), but this did not reach statistical significance with a p-value of 0.05 (Table 2 , Figure 2 ).

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