• Oussama Ben Rejeb, Wassim Brahim, Héla Ghali, Samia Ernez, Abdallah Mahdhaoui, and Gouider Jeridi.
• Tunis Med. 2019 Mar 1; 97 (3): 432-437.

BackgroundAtrial fibrillation is the most common heart rhythm disorder in the general population. It is associated with increased cardiovascular morbidity and mortality. Given this risk, anticoagulant therapy is vital.AimTo estimate the incidence of thromboembolic and hemorrhagic events in patients with Atrial fibrillation and treated by oral anticoagulant in a cardiology department.MethodsWe carried out an observational longitudinal study over a period of three years (January 2013 - December 2015) in the external consultation of cardiology of Farhat Hached hospital of Sousse. Pre-established individual records were used as a source and tool for data collection.ResultsOverall, 200 patients were eligible. Forty-nine percent had valvular atrial fibrillation. After an average follow-up of 2.6 years, 15 thromboembolic events were noted affecting 13 patients (6.5%), with an incidence of 2.8%. We found a significant association between TTR <50% and the occurrence of stroke and transient ischemic events. Half of the patients had minor bleeding and 9.5% had major bleeding, with an incidence of 3.6%. No significant correlation between these accidents and the TTR was found. In addition, 9.5% of patients were hospitalized for international normalized ratio equilibration. They were mainly patients with valvular atrial fibrillation (72%) (p = 0.002).ConclusionAnticoagulant therapy with anti-vitamin-K remains the most adequate treatment. Thus, a well-conducted treatment ensures a reduction in thromboembolic risk and minimizes the occurrence of hemorrhages inherent to this therapy. Therefore, an assessment of the quality of anticoagulation is essential.

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