The Effect of Orally Administered Metoprolol on the Frequency and Severity of Rocuronium Injection Pain

In this study, we aimed to investigate the effect of metoprolol on the frequency and severity of pain caused by rocuronium injection in patients who started to use and were currently using oral metoprolol for any reason such as ischemic heart disease, hypertension, and arrhythmias. All patients were informed about the objectives of the study and gave informed written consent. The study was conducted in accordance with the relevant ethical principles of the Declaration of Helsinki. This study was planned as a prospective, placebo-controlled, cohort study were evaluated in four groups. Group M: patients currently using metoprolol and who did not receive lidocaine before the application of rocuronium. Group ML: patients currently using metoprolol and who received lidocaine before rocuronium application. Group L: patients currently not using metoprolol and received lidocaine before rocuronium application. Group C: patients currently not using metoprolol and who did not receive lidocaine before rocuronium application. 200 patients with 50 being in each of four groups were included in the study.