Objective To discuss the influence of wrist-ankle acupuncture for wound surface analgesia on vital signs of burn patients undergoing dressing change .

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Methods : To observe the effect and safety of252 cases of resecting vocal fold cysts by fibrolaryngoscope under surface analgesia by retrospective analysis .

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The indexes needed to be recorded are as follows : SP DP MAP HR ECG SPO2 anesthesia blocking surface anesthesia start time VAS marking analgesia evaluation and adverse reactions during anesthesia .

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