沙美特罗气雾剂对离体豚鼠气管螺旋条的松弛作用研究

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目的:考察沙美特罗气雾剂对豚鼠气管螺旋条的松弛作用。方法:本试验采用离体豚鼠气管螺旋条,考察沙美特罗气雾剂对组胺和普萘洛尔收缩的豚鼠气管的松弛作用。结果:离体豚鼠气管螺旋条实验证明,沙美特罗气雾剂对组胺和普萘洛尔收缩的豚鼠气管有明显松弛作用,其对普萘洛尔的pA2=8.99。结论:沙美特罗气雾剂对组胺和普萘洛尔收缩的豚鼠气管有明显松弛作用,提示沙美特罗气雾剂具有较强的平喘作用。 Objective: To investigate the relaxation effect of salmeterol aerosol on the trachea of ​​guinea pig trachea. Methods: In this study, guinea pig tracheal spirochetes were used to study the relaxation effect of salmeterol aerosol on tracheal contraction of guinea pigs with histamine and propranolol. Results: Ex vivo guinea pig tracheal spirochetes showed that salmeterol aerosol had significant relaxation effect on the trachea of ​​guinea pigs with histamine and propranolol contraction, and its pA2 of propranolol was 8.99. CONCLUSIONS: Salmeterol aerosol has a significant relaxation effect on the trachea of ​​guinea pigs with histamine and propranolol contraction, suggesting that salmeterol aerosol has a strong antiasthmatic effect.
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