硝酸盐:硝酸盐是非特异性平滑肌松驰剂,近年来对此药治疗心力衰竭有大量研究,但对硝酸盐治疗支气管痉挛效果的评价研究却很少。Salter等认为哮喘病人应用硝酸盐治疗有效。然而,本世纪发现副肾素后,硝酸盐逐渐被废用。硝酸盐如硝酸戊四醇和硝酸甘油,据报告对麻醉的狗有支气管扩张作用,对离体气管引起平滑肌 Nitrate: Nitrate is a nonspecific smooth muscle relaxant. In recent years, there have been a lot of studies on the treatment of heart failure with this drug. However, there are few studies on the evaluation of the effect of nitrate on bronchospasm. Salter et al think that patients with asthma should be treated with nitrates effectively. However, after the adventitious renin was discovered in this century, nitrate was gradually discarded. Nitrates such as pentaerythritol nitrate and nitroglycerin have been reported to have bronchodilator effects on anesthetized dogs and to induce smooth muscle release from the trachea in vitro