ORIGINAL RESEARCH
Initial administration of β2-agonists reduces the risk of bronchospasm caused by β1-blockers in comorbid cardiorespiratory pathology
1 Evdokimov Moscow State Medical and Biological University of the Ministry of Health of Russia, Moscow, Russia
2 Pulmonology Research Institute, Federal Medical Biological Agency, Moscow, Russia
Correspondence should be addressed: Ekaterina V. Smolyakova
Orekhovy bulvar, 28, 115682, Moscow, Russia; ur.liam@kavokayloms
Author contribution: Smolyakova EV — recruitment of patients, processing of the results, article authoring; Sinitsyn EA — discussion of the results; Zykov KA — patient treatment management, discussion of the study results, article authoring.
Compliance with ethical standards: the study was approved by the Ethics Committee of the National Medical Research Center for Cardiology named after academician Yevgeniy Chazov of the Ministry of Health of the Russian Federation (Minutes № 220 of October 31, 2016)