目的：研究在神经外科全麻拔管期应用曲马多和尼卡地平，观察其对拔管期反应的影响。
Objective:To investigate tramadol and nicardipine for the decannulation period of general anesthesia in neurosurgery, and to observe the reflection in decannulation period.
结论：在神经外科全麻拔管期联合应用曲马多和尼卡地平，可以更全面地减少拔管期的不良反应。
Conclusion: To colligate tramadol and nicardipine in decannulation period of general anesthesia in neurosurgery operation can decrease side response of the patients in the decannulation period.
结论：在神经外科全麻拔管期联合应用曲马多和尼卡地平，可以更全面地减少拔管期的不良反应。
Conclusion: To colligate tramadol and nicardipine in decannulation period of general anesthesia in neurosurgery operation can decrease side response of the patients in the decannulation period.
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