Clinical Investication On Perioperative Preemptive Analgesia Of Elective Thoractomy

Objective To evaluate the effects of perioperative Preemptive analgesia with tramadol intravenous and ropivacaine intercostals blockade through comparing routine postoperative analgesia during elective thoractomy. Methods Prospective and comparative study of 24 ASA â…  - â…¢ patients (14 male, 10 female) aged 28-56yrs weighing 48-66 kg undergoing lobectomy of lung under general anesthesia that were randomly divided into 2 groups: Preemptive analgesia group (A, n=12) and routine postoperative analgesia group (B, n=12). group A received Tramadol 1.5mgkg^-1 i.v. 10min before anesthesia induction and 0. 5% ropivacaine intercostals blockade at the begainning and end of operation ; groups B received ropivacaine intercostals blockade only at the end of...