The effect of inhalation of Novodrin (beta-receptor-stimulus), Phenylephrine (alpha-receptor-stimulus) and of a mixture of both was tested in patients with chronic nonspecific respiratory syndrome. There was no significant difference of pulmonary arterial mean-pressure. Forced expiratory volume and vital capacity rose both after inhalation of Novdrin and after inhalation of the mixture. Nevertheless inhalation of the mixture can not be recommended because of a significant decrease of arterial oxygen-tension.
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