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  • Title: 'Real-world' management and outcomes of patients with paroxysmal vs. non-paroxysmal atrial fibrillation in Europe: the EURObservational Research Programme-Atrial Fibrillation (EORP-AF) General Pilot Registry.
    Author: Boriani G, Laroche C, Diemberger I, Fantecchi E, Popescu MI, Rasmussen LH, Dan GA, Kalarus Z, Tavazzi L, Maggioni AP, Lip GY.
    Journal: Europace; 2016 May; 18(5):648-57. PubMed ID: 26826133.
    Abstract:
    AIMS: Atrial fibrillation (AF) has different presentations (first detected, paroxysmal, persistent, permanent), with uncertain impact on outcome. The aim of this study was to investigate clinical presentation, management, and outcome of paroxysmal and non-paroxysmal AFs within the EURObservational Research Programme-Atrial Fibrillation General Pilot Registry. METHODS AND RESULTS: Overall 2589 patients with available 1-year follow-up data were evaluated according to AF type. Patients with paroxysmal AF (26.8%) were younger, had lower prevalence of heart disease (particularly valvular), and major co-morbidities, as well as lower CHADS2, CHA2DS2-VASc, and HAS-BLED scores. Patients with first-detected AF (29.9%) had characteristics similar to persistent AF patients (25.9%), but lower use of oral anticoagulants. Patients with permanent AF represented 17.4% of the cohort. At 1 year, the rate of stroke/transient ischaemic attack and thromboembolism was low (0.6-1.0%) and did not differ between paroxysmal and non-paroxysmal AFs. All-cause mortality was higher in non-paroxysmal vs. paroxysmal AF (log rank test, P = 0.0018). Using a multivariable Cox model, non-paroxysmal AF was not an independent predictor of death during follow-up. Independent predictors of death were age, chronic heart failure, chronic kidney disease, diabetes, restrictive cardiomyopathy, and physical activity. CONCLUSION: In this 'real-world' contemporary observational registry, patients with non-paroxysmal AF had a worse outcome, in terms of all-cause mortality, which was related to a more severe clinical profile. The risk of stroke at 1 year was relatively low, perhaps reflecting the high rates of anticoagulation use in this cohort.
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