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Comparison between the ECG Outcomes of Metoprolol and Bisoprolol
Ahmad Abdulrahman Almeman1, Yousef Obaid Alharbi2, Abdulaziz Sulaiman Alwahhabi1,3
1Department of Pharmacology, College of Medicine, Prince Sultan Cardiac Center, Qassim University, Buraydah, Qassim, Saudi Arabia.
Insights
Metoprolol and bisoprolol, essential beta-blockers for cardiovascular diseases, showed no significant differences in electrocardiogram (ECG) outcomes in this study. Further research is needed to confirm these findings on ECG changes.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Beta-blockers are crucial for managing cardiovascular diseases like heart failure and myocardial infarction.
- Diurnal variations exist in beta-blocker efficacy due to pharmacokinetic, pharmacodynamic, and pharmacogenetic differences.
Purpose of the Study:
- To compare the electrocardiogram (ECG) outcomes of metoprolol and bisoprolol.
- To assess potential differences in ECG parameters between these two beta-blocker subgroups.
Main Methods:
- A retrospective cross-sectional study involving 404 patients (204 metoprolol, 200 bisoprolol).
- Data collected from medical records including demographics, medical history, and treatment history.
- Analysis of the most recent electrocardiogram (ECG) records.
Main Results:
- No significant differences were observed in baseline characteristics, age, or sex between the metoprolol and bisoprolol groups.
- All electrocardiogram (ECG) readings, including PR interval, QTc interval, and ventricular rate, showed no significant differences between the two groups.
Conclusions:
- Metoprolol and bisoprolol demonstrated comparable effects on ECG parameters in this study.
- Further investigation is warranted to validate these findings and explore potential nuances in beta-blocker effects.
Background:
Beta-blockers are essential agents in the management of cardiovascular diseases, such as heart failure, acute myocardial infarction (MI), and cardiac arrhythmias. However, there are diurnal variations in the cardioprotective effects of the subgroups as a result of their different pharmacokinetic, pharmacodynamic, and pharmacogenetic profiles.
Objectives:
We aimed to compare metoprolol and bisoprolol in terms of electrocardiogram (ECG) outcomes.
Methods:
A retrospective cross-sectional study was conducted at Prince Sultan Cardiac Center. The trial included 404 patients who met the inclusion criteria (204 in the metoprolol arm and 200 in the bisoprolol arm). Using case record forms that had already been created, information, such as patient demographics, medical histories, and treatment histories, was taken from their medical files. The most recent ECG records were also gathered. The ethical approval for this study was obtained from Qassim ethical committee (approval number: 45-44-902).
Results:
There was no significant difference found between the patients in both arms in terms of baseline characteristics, age, or sex.
Conclusion:
In this retrospective cross-sectional study, we have compared the effects of metoprolol and bisoprolol beta blockers on ECG changes. The findings have indicated no difference between metoprolol and bisoprolol groups in terms of all ECG readings, particularly PR/ms, QTC-ms, and ventricular rate. Further studies are required to confirm these findings.
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