• Department of Anesthesiology, the Affiliated Tangshan People's Hospital of Hebei Union University, Tangshan, Hebei 063000, P. R. China;
GANJian-hui, Email: gjh71@163.com
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Objective To evaluate the efficacy and safety of dexmedetomidine combined with dezocine for patient-controlled intravenous analgesia (PCIA) in patients after radical operation for abdominal tumor. Methods Between September 2012 and May 2013, 60 patients (aged 40-60, American Sociaty of Anesthesiologists physical statusⅠ-Ⅱ) undergoing abdominal tumor surgery and asking for PCIA pumps voluntarily were randomly divided into two groups (group D and group DF) with 30 in each group. Patients in group D were given sufentanil 0.25 μg/kg+ dezocine 0.4 mg/kg, which were added into 100 mL 0.9% normal saline, while in group DF, the patients received dexmedetomidine 1.5 μg/kg+ sufentanil 0.15 μg/kg+ dezocine 0.4 mg/kg, which were added into 100 mL 0.9% normal saline. The changes of mean arterial pressure (MAP), heart rate (HR), respiratory rate (RR), the visual analog scale (VAS), Ramsay sedation scale, Bruggrmann analgesia scale (BCS), the efficacy of postoperative analgesia and adverse effects were observed and recorded at the preoperative time (T0), and 2 (T1), 4 (T2), 8 (T3), 24 (T4) and 48 hours (T5) postoperatively. Results Hemodynamics in group DF was more stable than that in group D (P<0.05). There were no statically significant differences in terms of VAS and BCS between the two groups at each time point (P>0.05). The Ramsay sedation scale of group DF was better than group D, and the difference was statistically significant (P<0.05). The efficient number of pressing within 48 hours in the two groups was not significantly different (P>0.05). The incidence of nausea, vomiting and drowsiness in group D was more than that of group DF (P<0.05). Conclusion Dexmedetomidine combined with dezocine can provide effective postoperative analgesia with less adverse effects for patients after radical surgery of abdominal tumor, which provides higher satisfaction to the abdominal surgery patients.

Citation: WANGXin-yuan, GANJian-hui, HUWan-ning, GAOHui-jun, LIUHao-ran. Clinical Application of Dexmedetomidine Combined with Dezocine for Patient-controlled Intravenous Analgesia in Patients after Abdominal Tumor Radical Surgery. West China Medical Journal, 2015, 30(4): 669-672. doi: 10.7507/1002-0179.20150192 Copy

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