Observational studyAnatolian journal of cardiology2025
Turkish Real-Life Atrial Fibrillation in Clinical Practice: 2-Year Clinical Outcomes of the TRAFFIC Study.
Observational study in Anatolian journal of cardiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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15 authors.
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Abstract
backgroundAtrial fibrillation (AF) is a major public health issue associated with thromboembolism and mortality. Real-world data from Türkiye are limited despite expanding use of non-vitamin K antagonist oral anticoagulants (NOACs). The Turkish Real Life Atrial Fibrillation in Clinical Practice (TRAFFIC) study aimed to characterize the demographic features, risk profiles, treatment patterns, and 2-year clinical outcomes of patients with non-valvular AF (NVAF) in Türkiye.
methodsTRAFFIC was a national, prospective, multicenter, observational registry enrolling 1659 NVAF patients from 36 centers with 6-monthly follow-up for 24 months. Baseline data included demographics, comorbidities, CHA₂DS₂-VASc, HAS-BLED, AF subtype, European Heart Rhythm Association (EHRA) score, and antithrombotic therapy. Outcomes were ischemic stroke/systemic embolism (SE), major bleeding, and all-cause mortality. Predictors of mortality were evaluated using adjusted Cox regression, and associations of risk scores were explored using univariate Cox models with restricted cubic splines.
resultsMedian age was 70 years, 48% female, with intermediate CHA₂DS₂-VASc (most 2-5) and low-to-intermediate HAS-BLED scores (most 0-2). Permanent AF was the most common subtype (48%). Antithrombotic therapy largely reflected risk profiles, with NOACs being the dominant treatment (65%). Over 2 years, all-cause mortality was 8.9%, ischemic stroke/SE 2.4%, and major bleeding 1.3%. In adjusted analysis, age, congestive heart failure, and diabetes mellitus were independent predictors of mortality. Both CHA₂DS₂-VASc and HAS-BLED scores showed threshold effects for mortality and thromboembolic risk but not for bleeding.
conclusionTRAFFIC provides contemporary Turkish NVAF data, showing lower event rates than historical cohorts. Outcomes are comparable with international registries; persistent mortality burden highlights the need for AF care beyond anticoagulation.
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