Correlation between CHA2DS2-VASc score and left atrium size in non-valvular atrial fibrillation - 18/05/21
, H. Chelbi, O. Zidi, M. Abdelhedi, E. Boussabeh, M. Thameur, L. Zakhama, S. Ben Youssef
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Résumé |
Background |
The CHA2DS2-VASc score is validated to evaluate the risk of thromboembolism in non-valvular atrial fibrillation (AF). The relationship between the predictive value of thromboembolic risk by echocardiographic parameters and CHA2DS2-VASc score is still misunderstood.
Purpose |
The aim of this study was to search a relationship between echocardiographic parameters and CHA2DS2-Vasc score in patients with non-valvular AF.
Methods |
One hundred and twenty-two patients were hospitalized for AF. The CHA2DS2-VASc score was evaluated and echocardiography with assessment of the left atrium (surface diameter and volume) was performed. Regular monitoring was provided during 8±12months.
Results |
The mean age of our patients was 60±15years, 66% (n=71) men and 34% (n=36) women. AF was classified as paroxysmal (59%), as persistent (18%), and as permanent (28%). AF was idiopathic in 34% of cases and associated with hypertensive heart disease in 26%. The percentage of patients who had a CHA2DS2-VASc score 0, 1, and≥2 was 21%, 24% and 55%. Sixty-six percent of patients have been treated with anticoagulant, 30% were put on aspirin and 4% abstaining. During follow-up, nine patients were hospitalized for heart failure, 6 patients (5%) had stroke, 4 patients (4%) had a non-major bleeding and one patient died. No correlation was found between CHA2DS2-VASc score and the left atrium dimensions (P=0.6, 0.2, 0.8 respectively for the diameter, surface area and volume of left atrium).
Conclusion |
Left atrial dimensions are not correlated to CHA2DS2-VASc score. Other techniques could possibly be more sensitive such as the atrial strain.
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Vol 13 - N° 2
P. 234 - mai 2021 Retour au numéro
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