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Doxapram

多沙普侖
Mechanism of action:
Doxapram 是一種呼吸興奮劑(respiratory stimulant)。Doxapram 直接作用於延腦的呼吸中樞神經元,使其對二氧化碳(CO₂)與氫離子(H⁺)濃度的敏感性增加,增強呼吸的頻率與深度,不過分子機制尚未清楚。Doxapram 也同時刺激頸動脈體(carotid body)的化學感受器,對血中氧與二氧化碳的敏感度提高,促進呼吸反射。
Reference(s):
1. Singh P et al. (1993). Double-blind comparison between doxapram and pethidine in the treatment of postanaesthetic shivering. Br J Anaesth.
2. Yost CS et al. (2006). A new look at the respiratory stimulant doxapram. CNS Drug Rev.
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