The Journal of surgical research
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Randomized Controlled Trial
Peritrocal and intraperitoneal ropivacaine for laparoscopic cholecystectomy: a prospective, randomized, double-blind controlled trial.
The goal of this study was to evaluate the effect of peritrocal, intraperitoneal, or combined peritrocal-intraperitoneal ropivacaine on the parietal, visceral, and shoulder tip pain after laparoscopic cholecystectomy. ⋯ We conclude that peritrocal infiltration of ropivacaine significantly decreases parietal pain and intraperitoneal instillation of ropivacaine significantly decreases the visceral and shoulder tip pain. Their effects are additive with respect to the total pain.