Abstract
BackgroundAtrial fibrillation is a cardiac arrhythmia commonly encountered in a primary care setting. Current screening is limited to pulse palpation and ECG confirmation when an irregular pulse is found. Paroxysmal atrial fibrillation will, however, still be difficult to pick up. With the advent of smartphones, screening could be more cost-efficient by making use of simple applications, lowering the need for intensive screening to discover (paroxysmal) atrial fibrillation.Methods/designThis cluster randomized trial will examine the effect of using a smartphone-based application such as FibriCheck® on the detection rate of atrial fibrillation in a Flemish general practice population. This study will be conducted in 22 primary care practices across the Flanders region of Belgium and will last 12 months. Patients above 65 years of age will be divided in control and intervention groups on the practice level. The control group will be subjected to standard opportunistic screening only, while the intervention group will be prescribed the FibriCheck® app on top of this opportunistic screening. The difference in detection rate between control and intervention groups will be calculated at the end of the study.We will use the online platform INTEGO for pseudonymized data collection and analysis, and risk calculation.DiscussionSmartphone applications might offer a way to cost-effectively screen for (paroxysmal) atrial fibrillation in a primary care setting. This could open the door for the update of future screening guidelines.Trial registrationClinicalTrials.gov NCT04545723. Registered on September 10, 2020.
Highlights
Background and rationale {6a} Incidence and prevalence of atrial fibrillation Atrial fibrillation (AF) is one of the most common cardiac arrhythmias
Smartphone applications might offer a way to cost-effectively screen for atrial fibrillation in a primary care setting
This could open the door for the update of future screening guidelines
Summary
Background and rationale {6a} Incidence and prevalence of atrial fibrillation Atrial fibrillation (AF) is one of the most common cardiac arrhythmias. It is frequently encountered in primary care. It seems useful to invest in screening strategies to identify those patients who have a higher risk of AF and need more intense monitoring, which may reduce healthcare costs brought about by hospitalizations for stroke [9, 10]. Because some patients with AF will present with infrequent episodes—so-called paroxysmal atrial fibrillation (PAF)—the need for effective screening measures becomes clear [11]. With the advent of smartphones, screening could be more costefficient by making use of simple applications, lowering the need for intensive screening to discover (paroxysmal) atrial fibrillation
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