Abstract
This study established a prospective registry of contemporary management of UK patients with atrial fibrillation (AF) by cardiologists, general practitioners, and stroke, acute, and emergency medicine physicians at baseline and 1-year follow-up. Data on patients with recently diagnosed AF (≤12 months) were collected from medical records from 101 UK sites to permit comparison of patient characteristics and treatments between specialities. The impact of guideline-adherent oral anticoagulation (OAC) use on outcomes was assessed using Cox regression analysis. One thousand five hundred and ninety-five AF patients [mean (standard deviation) age 70.5 (11.2) years; 60.1% male; 97.4% white] were recruited in June 2017-June 2018 and followed up for 1 year. Overall OAC prescription rates were 84.2% at baseline and 87.1% at 1 year, with non-vitamin K antagonist oral anticoagulants (NOACs) predominating (74.9 and 79.2% at baseline and 1 year, respectively). Vitamin K antagonist prescription was significantly higher in primary care, with NOAC prescription higher among stroke physicians. Guideline-adherent OAC (CHA2DS2-VASc ≥2) at baseline significantly reduced risk of death and stroke at 1 year [adjusted hazard ratio (95% confidence interval): 0.48 (0.27-0.84) and 0.11 (0.02-0.48), respectively]. Rhythm control is evident in ∼25%; only 1.6% received catheter ablation. High OAC use (>80%, mainly NOACs) rates varied by speciality, with VKA prescription higher in primary care. Guideline-adherent OAC therapy at baseline was associated with significant reduction in death and stroke at 1 year, regardless of speciality. Rhythm-control management is evident in only one-quarter despite AF symptoms reported in 56.6%. This registry extends the knowledge of contemporary AF management outside cardiology and demonstrates good implementation of clinical guidelines for the management of AF, particularly for stroke prevention.
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