International journal of cardiology · 2017
Carotid plaque detection improves the predictive value of CHA2DS2-VASc score in patients with non-valvular atrial fibrillation: The ARAPACIS Study.
СтатьяМногоцентровое исследованиеНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Basili Stefania, Loffredo Lorenzo, Pastori Daniele, Proietti Marco, Farcomeni Alessio, Vestri Anna Rita, Pignatelli Pasquale, Davì Giovanni, Hiatt William R, Lip Gregory Y H, Corazza Gino R, Perticone Francesco, Violi Francesco, in collaboration with ARAPACIS Study Investigators
Аннотация
BACKGROUND AND AIMS: Vascular disease (VD), as assessed by history of myocardial infarction or peripheral artery disease or aortic plaque, increases stroke risk in atrial fibrillation (AF), and is a component of risk assessment using the CHA2DS2-VASc score. We investigated if systemic atherosclerosis as detected by ultrasound carotid plaque (CP) could improve the predictive value of the CHA2DS2-VASc score.
METHODS: We analysed data from the ARAPACIS study, an observational study including 2027 Italian patients with non-valvular AF, in whom CP was detected using Doppler Ultrasonography.
RESULTS: VD was reported in 351 (17.3%) patients while CP was detected in 16.6% patients. Adding CP to the VD definition leaded to higher VD prevalence (30.9%). During a median [IQR] follow-up time of 36months, 56 (2.8%) stroke/TIA events were recorded. Survival analysis showed that conventional VD alone did not increase the risk of stroke (Log-Rank: 0.009, p=0.924), while addition of CP to conventional VD was significantly associated to an increased risk of stroke (LR: 5.730, p=0.017). Cox regression analysis showed that VD+CP was independently associated with stroke (HR: 1.78, 95% CI: 1.05-3.01, p=0.0318). Reclassification analysis showed that VD+CP allowed a significant risk reclassification when compared to VD alone in predicting stroke at 36months (NRI: 0.192, 95% CI: 0.028-0.323, p=0.032).
CONCLUSIONS: In non-valvular AF patients the addition of ultrasound detection of carotid plaque to conventional VD significantly increases the predictive value of CHA2DS2-VASc score for stroke.
METHODS: We analysed data from the ARAPACIS study, an observational study including 2027 Italian patients with non-valvular AF, in whom CP was detected using Doppler Ultrasonography.
RESULTS: VD was reported in 351 (17.3%) patients while CP was detected in 16.6% patients. Adding CP to the VD definition leaded to higher VD prevalence (30.9%). During a median [IQR] follow-up time of 36months, 56 (2.8%) stroke/TIA events were recorded. Survival analysis showed that conventional VD alone did not increase the risk of stroke (Log-Rank: 0.009, p=0.924), while addition of CP to conventional VD was significantly associated to an increased risk of stroke (LR: 5.730, p=0.017). Cox regression analysis showed that VD+CP was independently associated with stroke (HR: 1.78, 95% CI: 1.05-3.01, p=0.0318). Reclassification analysis showed that VD+CP allowed a significant risk reclassification when compared to VD alone in predicting stroke at 36months (NRI: 0.192, 95% CI: 0.028-0.323, p=0.032).
CONCLUSIONS: In non-valvular AF patients the addition of ultrasound detection of carotid plaque to conventional VD significantly increases the predictive value of CHA2DS2-VASc score for stroke.