• Department of Anesthesiology,West China Hospital,Sichuan University,Chengdu 610041,China;
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目的:探讨在不同年龄SD大鼠右心房注射前列腺素E2(PGE2)对呼吸的影响。方法:7~9 d和21~23 d大鼠在迷走神经完整和迷走神经切断的情况下从右心房注射PGE-2,观察呼吸指标的变化。结果:①右心房注射PGE2在7~9 d和21~23 d大鼠中均引起呼吸暂停,呼气延长时间分别为基础呼气时间的9.5和7.5倍(P lt;0.05);②切断迷走神经后,右心房注射PGE-2在7~9 d和21~23 d大鼠均不再产生呼吸暂停,仅出现轻微呼吸抑制。结论:右心房注射PGE2在7~9 d和21~23 d大鼠均产生呼吸暂停,且依赖于迷走神经的完整性。

Citation: SUN Mingjie,JI Peng,WANG Maohua,et al. The Effect of Right Atrial Injection of PGE-2 on Respiration in Neonatal Rats. West China Medical Journal, 2009, 24(2): 368-370. doi: Copy