The investigators hypothesized that using new intravenous infusion pump of patient-controlled analgesia (parecoxib sodium 1 mg/mL + normal saline) would significantly improve postoperative pain control compare to conventional intravenous infusion pump of patient-controlled analgesia (fentanyl citrate 20 mg/mL/kg + ondansetron hydrochloride 16 mg/8 mL + normal saline). This prospective randomized controlled trial was designed to evaluate the benefit of new intravenous infusion pump of patient-controlled analgesia (parecoxib sodium 1 mg/mL + normal saline) for postoperative analgesia after laparotomic liver resection.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
80
The first group receives conventional intravenous infusion pump of patient-controlled analgesia (fentanyl citrate 20 mg/mL/kg + ondansetron hydrochloride 16 mg/8 mL + normal saline) for three days after surgery. The pump is infused continuously at the basic flow rate of 2 mL/h, 0.5 mL of bolus can be injected if the patients press the button once upon experiencing pain. The lock-out time for each bolus injection is 15 minutes.
The second group has oral celecoxib before surgery, then receives 40 mg parecoxib sodium intravenously guttae twice a day for three days after surgery.
The third group has oral celecoxib before surgery, and receives 40 mg parecoxib sodium intravenously guttae immediately after surgery, then uses new intravenous infusion pump of patient-controlled analgesia (parecoxib sodium 1 mg/mL + normal saline) for three days after surgery. The pump is infused continuously at the basic flow rate of 2 mL/h, 0.5 mL of bolus can be injected if the patients press the button once upon experiencing pain. The lock-out time for each bolus injection is 15 minutes.
harbin Medical University
Harbin, Heilongjiang, China
RECRUITINGThe measure is a composite outcome measure consisting of multiple measures,pain scores, sedation, nausea, pruritus, and respiratory rate.
Pain scores are evaluated with a visual analog scale of 0 to 100 and are measured at rest and with movement such as cough or incentive spirometry at 6, 9, 12, 18, 24, 36, 48 and 72 hours. Sedation, nausea, and pruritus are also measured at 6, 9, 12, 18, 24, 36, 48 and 72 hours. All the measures count together to get a composite outcome.
Time frame: With or without changes in the three days after surgery
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