BACKGROUND In this prospective, randomized, placebo-controlled, double-blinded clinical trial we tested the hypothesis that preemptive analgesia with bupivacaine applied in the area of the surgical incision in patients undergoing mastectomy for breast cancer would reduce post-operative acute pain and would reduce the amount of analgesics used during surgery and in the post-operative period. M...

UNLABELLED Effective relief of acute and long-term postoperative pain is of utmost importance to patients undergoing surgery. Here, we worked on a controlled procedure of abdominal surgery in the rat inducing persistent postoperative pain symptoms for up to 10 days and tested the efficacy of perioperative care with the local anesthetic ropivacaine. Laparotomy was likewise used to implant radiot...

OBJECTIVE To compare the effectiveness of preoperative PO and SC administration of buprenorphine and meloxicam for prevention of postoperative pain-associated behaviors in cats undergoing ovariohysterectomy. DESIGN Randomized controlled study. ANIMALS 51 female cats (4 to 60 months old; weight range, 1.41 to 4.73 kg [3.1 to 10.4 lb]). PROCEDURE Cats received 1 of 5 treatments at the time ...

melatonin has been suggested as a new natural pain killer in inflammatory pain and during surgical procedures. we designed this randomized double-blind controlled study to evaluate the analgesic efficacy and also optimal preemptive dose of melatonin in patients undergoing cesarean section under spinal anesthesia.one hundred twenty patients scheduled for cesarean section under spinal anesthesia ...

OBJECTIVE To analyze the effect of infiltration of local anesthetics on postoperative pain relief. DESIGN Prospective randomized double-blind trial. Setting. University Teaching Hospital in Barbados, West Indies. PATIENTS Patients undergoing total abdominal hysterectomy. Interventions. Patients were randomly allocated into one of four groups according to the wound infiltration: 1) preoperat...

UNLABELLED In this prospective, randomized, and double-blinded clinical trial, we evaluated the efficacy of preincisional administration of epidural ketamine with morphine compared with epidural morphine alone for postoperative pain relief after major upper-abdominal surgery. We studied 50 ASA I and II patients undergoing major upper-abdominal procedures. These patients were randomly allocated ...