Journal
SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES
Volume 16, Issue 9, Pages 1336-1340Publisher
SPRINGER-VERLAG
DOI: 10.1007/s00464-001-9181-8
Keywords
laparoscopic cholecistectomy; postoperative pain; preemptive analgesia
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Background: Although laparoscopic cholecystectomy (LC) results in less pain then open cholecystectomy, it is not a pain-free procedure. The aim of this study was to test a new method of preemptive analgesia. Methods: By simple randomization 60 patients were assigned to two groups (30 in each group). Group A, the placebo group, received 200 nil of 0.9% saline, and group B received 5 mg/kg of a local anesthetic solution (ropivacaine) in 200 ml of 0.9% saline. Local anesthetic or placebo solution were administer before creation of the pneumoperitoneum. Results: Pain intensity, as rated by visual analog and verbal rating scales, and stress response data were significantly less in the group receiving ropivacaine than in the placebo group. No patients in treatment group received an additional dose of analgesic, whereas two patients in placebo group needed an additional analgesic. Conclusions: Our results support the clinical validity of preemptive analgesia, but the timing of intraperitoneal administration of local anesthetic is very important. Only application before creation of the pneumoperitoneum may preempt every neuronal central sensitization.
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