β1-blockers in the reduction of bleeding risk in patients prescribed with potent dual antiplatelet therapy after acute coronary syndrome or percutaneous coronary intervention

31/10/2023 2 min

Listen "β1-blockers in the reduction of bleeding risk in patients prescribed with potent dual antiplatelet therapy after acute coronary syndrome or percutaneous coronary intervention"

Episode Synopsis

β1-blockers in the reduction of bleeding risk in patients prescribed with potent dual antiplatelet therapy after acute coronary syndrome or percutaneous coronary intervention
Hellenic J Cardiol. 2023 Oct 12:S1109-9666(23)00188-4. doi: 10.1016/j.hjc.2023.09.017
 
Abstract
Background: β1-blockers could improve clinical
outcomes in patients with coronary artery disease by lowering the heart rate, blood pressure, and myocardial contractility. Moreover, recent studies have suggested that β1-blockers may also have the potential to reduce bleeding risk.
 
Objectives: This study aimed to evaluate the
association between β1-blockers and bleeding risk in the patients prescribed with potent dual antiplatelet therapy (DAPT) after acute coronary syndrome (ACS) or percutaneous coronary intervention (PCI).
 
Methods: Patients with ACS or undergoing PCI treated by DAPT of ticagrelor and aspirin were consecutively recruited.
Follow-up for all eligible patients was conducted for 1 year. Major bleeding outcomes were defined as events that were type ≥2 based on the Bleeding Academic Research Consortium (BARC) criteria.
 
Results: A total of 1,113 eligible ticagrelor-treated patients were recruited. During the 1-year follow-up interval, 142 (12.6%) patients experienced BARC ≥2 bleedings including 23
patients (2.1%) suffering BARC ≥3 bleedings, with the most common site of bleeding located in the gastrointestinal tract. β1-blockers treatment was associated with a lower risk of BARC ≥2 bleedings (11.2% vs. 23.3%, adjusted HR: 0.42, 95% CI: 0.28-0.62, P < 0.01). Moreover, metoprolol (11.1% vs. 23.3%, adjusted HR: 0.56, 95% CI: 0.37-0.83, P < 0.01) and bisoprolol (11.3%
vs. 23.3%, adjusted HR: 0.56, 95% CI: 0.33-0.96, P = 0.04) had similar effects on the reduction of bleeding risk.
 
Conclusion: β1-blockers might be beneficial for the reduction of bleeding risk in potent dual antiplatelet therapy patients
with ACS or undergoing PCI.





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