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The Effect of Intraoperative Dexmedetomidine on Postoperative Morphine Requirements After Breast Cancer Surgery
Study Purpose
Dexmedetomidine is an α2 receptor agonist with sedative and analgesic properties. In previous reports, dexmedetomidine improves smoothness of postoperative recovery and reduces intraoperatory imflammatory responses. As patients receiving breast surgeries are especially vulnerable to postoperative nausea/ vomiting, the dosage of narcotics and associated complications were concerned for not only comfortness but also postoperative oral intake and discharge. The invetigators aimed to compare the effects of dexmedetomidine infusion versus placebo on postoperative narcotics requirement, complications, and oral intake.
Recruitment Criteria
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Trial Details
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Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
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Dexmedetomidine is an α2 receptor agonist with sedative and analgesic properties. In previous reports, dexmedetomidine improves smoothness of postoperative recovery and reduces intraoperatory imflammatory responses. As patients receiving breast surgeries are especially vulnerable to postoperative nausea/ vomiting, the dosage of narcotics and associated complications were concerned for not only comfortness but also postoperative oral intake and discharge. The invetigators aimed to compare the effects of dexmedetomidine infusion versus placebo on postoperative narcotics requirement, complications, and oral intake. The participantss under general anesthesia and aged from 30 to 65 years old will be enrolled. All subjects were randomized into the dexmedetomidine or placebo group. They received placebo (group P, n = 30) or dexmedetomidine (loading dose of 1 μg kg-1 followed by 0.5 μg kg-1 h-1) (group D, n = 30) to the end of surgery. Data collected included intraoperative and postoperative opioid consumption. Postoperative questionare including PONV, Pain intensity, I-FEED questionnaire. Prospective analysis will be performed on the prospectively collected data. We expected to examine if intraoperative dexmedetomidine decreases the postoperative opioid consumption and associated complications, and enhances the gastrointestinal recovery and oral intake with narcotic-sparing effect.
Arms
Experimental: dexmedetomidine
patient recieving dexmedetomidine
Placebo Comparator: placebo
patients receiving placebo
Interventions
Drug: - Dexmedetomidine
Dexmedetomidine is an α2 receptor agonist with sedative and analgesic properties. In previous reports, dexmedetomidine improves smoothness of postoperative recovery and reduces intraoperatory imflammatory responses. As patients receiving breast surgeries are especially vulnerable to postoperative nausea/ vomiting, the dosage of narcotics and associated complications were concerned for not only comfortness but also postoperative oral intake and discharge.
Drug: - placebo
normal saline infusion
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International Sites
Status
Recruiting
Address
National Taiwan University Cancer Center
Taipei, , 106
Site Contact
Yajung cheng
[email protected]
23220322
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