| Summary: | Objective: to discuss the effectiveness and security of Dexmedetomidine’s conscious-sedation application in ERCP of senile patients. Method: selecting 80 senile patients performed with ERCP and randomly dividing them into Dexmedetomidine group (group D) and normal saline group (group C) with 40 cases in each group. Pumping 0.5 ~ 0.8 ug/kg Dexmedetomidine through the vein 15 min after surgery while pumping isodose NS to group C at the same time. Results: both the two groups completed the ERCP treatment. The tolerance of group C is poorer with more adverse reactions; the operating time of group D is shorter, but the difference has no statistical significance. During the operation, compared with group D, the MBP and HR value of group C rose obviously with significant difference (P < 0.05) while the MBP has no obvious change within the group; HR declined sharply after pump injection (P < 0.05), but the value is within the normal range. The contrast of SPO2 and RR within and between the two groups have no significant difference. Conclusion: applying Dexmedetomidine for conscioussedation in senile patients’ ERCP leads to hemodynamic stability and no respiratory depression with less adverse reactions. The application during the perioperative period is effective, safe and comfortable, worthy of popularization and application in clinic.
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