Risk profile, antithrombotic treatment and clinical outcomes of patients in Nordic countries with atrial fibrillation–results from the GARFIELD-AF registry
Pope, Marita K; Atar, Dan; Svilaas, Arne B; Hole, Torstein; Nielsen, Jørn Dalsgaard; Hintze, Ulrik; Crisby, Milita; Raatikainen, Pekka; Airaksinen, K.E. Juhani; Virdone, Saverio; Pieper, Karen; Kayani, Gloria; Le Heuzey, Jean-Yves; Steffel, Jan; Stepinska, Janina; Bassand, Jean-Pierre; Camm, A. John
Peer reviewed, Journal article
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Original versionAnnals of Medicine. 2021, 53 (1), 485-494. 10.1080/07853890.2021.1893897
Aims The objective was to evaluate the clinical characteristics, management and two-year outcomes of patients with newly diagnosed non-valvular atrial fibrillation at risk for stroke in Nordic countries. Methods We examined the baseline characteristics, antithrombotic treatment, and two-year clinical outcomes of patients from four Nordic countries. Results A total of 52,080 patients were enrolled in the GARFIELD-AF. Out of 29,908 European patients, 2,396 were recruited from Nordic countries. The use of oral anticoagulants, alone or in combination with antiplatelet (AP), was higher in Nordic patients in all CHA2DS2-VASc categories: 0–1 (72.8% vs 60.3%), 2–3 (78.7% vs 72.9%) and ≥4 (79.2% vs 74.1%). In Nordic patients, NOAC ± AP was more frequently prescribed (32.0% vs 27.7%) and AP monotherapy was less often prescribed (10.4% vs 18.2%) when compared with Non-Nordic European patients. The rates (per 100 patient years) of all-cause mortality and non-haemorrhagic stroke/systemic embolism (SE) were similar in Nordic and Non-Nordic European patients [3.63 (3.11–4.23) vs 4.08 (3.91–4.26), p value = .147] and [0.98 (0.73–1.32) vs 1.02 (0.93–1.11), p value = .819], while major bleeding was significantly higher [1.66 (1.32–2.09) vs 1.01 (0.93–1.10), p value < .001]. Conclusion Nordic patients had significantly higher major bleeding than Non-Nordic-European patients. In contrast, rates of all-cause mortality and non-haemorrhagic stroke/SE were comparable.