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Updated: May 11, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
Can dabigatran improve blood pressure control?
Vivencio Barrios1, Carlos Escobar
1Department of Cardiology, Hospital Universitario Ramón y Cajal, Ctra. Colmenar km 9.100, 28034 Madrid, Spain. vbarrios.hrc@salud.madrid.org
Drug interactions can affect blood pressure control in atrial fibrillation (AF) patients. Switching anticoagulants improved blood pressure management in a case study involving hypertension and AF.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Hypertension is a common comorbidity in atrial fibrillation (AF) patients.
- Stroke is a major complication of AF, necessitating effective blood pressure (BP) and antithrombotic management.
Observation:
- A patient with hypertension and AF experienced irregular systolic BP control.
- This was potentially linked to an interaction between the antihypertensive losartan and the anticoagulant acenocoumarol.
Findings:
- Switching the anticoagulant from acenocoumarol to dabigatran resulted in improved BP control.
- This suggests a clinically relevant interaction between losartan and acenocoumarol impacting BP management.
Implications:
- Anticoagulant and antihypertensive drug interactions warrant consideration for optimizing BP control in AF patients.
- Further investigation into these interactions may improve therapeutic strategies and reduce stroke risk.
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