期刊
EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE
卷 2017, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2017/7924148
关键词
-
资金
- Zhejiang Clinical Medical Research Foundation [2015-ZYC-A71]
Background. Dexmedetomidine combined with local anesthetics can decrease the concentration of epidural ropivacaine. However, the optimal dose of epidural dexmedetomidine combined with ropivacaine for labor analgesia is still uncertain. This study investigated the effect of adding different dose of epidural dexmedetomidine to ropivacaine during epidural labor analgesia. Methods. One hundred women were randomly assigned to one of the four groups (Groups A, B, C, and D received 0.25, 0.5, 0.75, and 1 mu g/ml of dexmedetomidine plus 0.1% ropivacaine, resp.). The onset of epidural anesthesia and stages of labor were studied, and pain was assessed using a visual analogue scale (VAS). Hemodynamic parameters and fetal heart rate were monitored. Apgar scores and umbilical artery pH were recorded. The side effects, if any, were recorded also. Results. The addition of 0.25, 0.5, and 0.75 mu g/ml of dexmedetomidine to 0.1% ropivacaine provided safe and effective analgesia, but 1 mu g/ml of dexmedetomidine resulted in increasing incidence of motor block. The hemodynamic parameters were similar between groups (P > 0.05). Side effects in Group D were significantly higher than those in the other three groups (P < 0.05). Conclusions. When dexmedetomidine is combined with 0.1% ropivacaine, the optimal concentration of dexmedetomidine is 0.5 mu g/ml for epidural labor analgesia (this trial is registered with ChiCTR-OPC-16008548).
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