• Giovanni Enrico Cacciamani, Nicola Menestrina, Marco Pirozzi, Alessandro Tafuri, Paolo Corsi, Davide De Marchi, Davide Inverardi, Tania Processali, Nicolo' Trabacchin, Mario De Michele, Marco Sebben, Maria Angela Cerruto, Vincenzo De Marco, Filippo Migliorini, Antonio Benito Porcaro, and Walter Artibani.
• 1 Departments of Urology, Italy.
• J. Endourol. 2019 Apr 1; 33 (4): 295-301.

ObjectiveTo determinate benefits of the combination of local anesthetic wounds infiltration and ultrasound transversus abdominal plane (US-TAP) block with ropivacaine on postoperative pain, early recovery, and hospital stay in patients undergoing robot-assisted radical prostatectomy (RARP).MethodsThe study is double-blinded randomized controlled trial. Our hypothesis was that the combination of wound infiltration and US-TAP block with ropivacaine would decrease immediate postoperative pain and opioids use. Primary outcomes included postoperative pain and opioids demand during the hospital stay. Secondary outcomes were nausea/vomiting rate, stool passing time, use of prokinetics, length of hospital stay (LOS), and 30-days readmission to the hospital for pain or other US-TAP block-related complications.ResultsA total of 100 patients who underwent RARP were eligible for the analysis; 57 received the US-TAP block with 20 mL of 0.35% ropivacaine (US-TAP block group) and 43 did not receive US-TAP block (no-US-TAP group). All the patients received the local wound anesthetic infiltration with 20 mL of 0.35% ropivacaine. US-TAP block group showed a decreased mean Numerical Rating Scale (NRS) within 12 hours after surgery (1.6 vs 2.6; p = 0.02) and mean NRS (1.8 vs 2.7; p = 0.04) with lesser number of patients who used opioid (3.5% vs 18.6%; p = 0.01) during the first 24 hours. Moreover, we found a shorter mean LOS (4.27 vs 4.72, days; p = 0.04) with a lower requirement of prokinetics administration during the hospital stay (21% vs 72%; p < 0.001). No US-TAP block-related complications were reported.ConclusionCombination of anesthetic wound infiltration and US-TAP block with ropivacaine as part of a multimodal analgesic regimen can be safely offered to patients undergoing RARP and extended pelvic lymph node dissection. It improves the immediate postoperative pain control, reducing opioids administration and is associated to a decreased use of prokinetics and shorter hospital stay.

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