ABSTRACT
Objective To investigate optimum dose of anesthesia in pediatric axillary brachial plexus branch block under ultrasound-guided. Methods Forty-eight children from May 2012 to May 2013 in hand surgery of our hospital,whose age was from 6 to 12 years,were randomly divided into four groups, each group has 12 cases. The doses of Ropivacaine were different in different groups. Group A was 0. 25 mL/kg,group B was 0. 2 mL/kg,group C was 0. 15 mL/kg,group D was 0. 10 mL/kg. And Ketamine was added to the treatment ac-cording to the incidence of anesthesia intraoperative. Evaluating the effect of anesthesia according to the situation of nerve block,observing an-esthesia duration time,dosage of anesthesia and rates of complications. Results The blocking effect of group A,B and C in each nerve area was correspond after 30 min,and anesthesia efficiency was higher than group D,but additional rate was lower than group D,the differences were statistically significant (P<0. 05). The block time in group D was shorter than the other groups,and the dose of Ketamine was most, and the block onset,perfect time were longer than the other groups (P<0. 05). But the differences between group A,B,C were not signifi-cant. Two cases in group D converted to general anesthesia. Four groups did not occur complication related narcotic drug. Conclusion In pediatric brachial plexus block used Ropivacaine under ultrasound-guided would get complete branch block,the exact effect of anesthesia, smaller dosage of local anesthesia. When the dosage of Ropivacaine was 0. 15 mL/kg could achieve a better anesthesia effect.
ABSTRACT
Objective To explore clinical effect of sufentanil combined with ropivacaine in interscalene brachial plexus block by ultrasound-mediated.Methods 66 patients received the treatment of interscalene brachial plexus block were divided into group A,B and C randomly.Group A received traditional blind puncture interscalene brachial plexus block with ropivacaine;Group B received interscalene brachial plexus block with ropivacaine by ultrasound-mediated;Group C received interscalene brachial plexus block with combination of sufentanil and ropivacaine by ultrasound-mediated.The operation time,VAS score,pain and movement block onset time,anesthesia fine ratio and incidence of complications were observed and compared.Results The operation times of group B and C were significantly shortened compared with group A(all P ＜0.05) ;The pain and movement block onset time was shortened significantly in group B (all P ＜ 0.05),and more significantly in group C than those in group A (all P ＜ 0.05) ;The VAS score at 30min,60min and 120min after operation of brachial plexus block were significantly decreased in group C than those in group A and B (all P ＜ 0.05) ; Anesthesia fine ratio in group B and C significantly improved than that in group A (all P ＜ 0.05) ; Incidence of complications of group B and C was significantly lower than that in group A after operation of brachial plexus block (all P ＜ 0.05).Conclusion Sufentanil combined with ropivacaine in interscalene brachial plexus block by ultrasound-mediated has good effect and safety,and it can improve the onset time and effect of pain and movement block.