Background: Atrial fibrillation (AF) is often associated with troubling symptoms leading to impaired quality of life (QoL) and high health care use. Symptom preoccupation, that is, fear of cardiac-related symptoms and avoidance behavior, potentially contributes to disability in AF but is not targeted by current interventions.

Objectives: We sought to evaluate the effect of online cognitive behavior therapy (AF-CBT) on QoL in patients with symptomatic paroxysmal AF.

Methods: Patients with symptomatic paroxysmal AF (n = 127) were randomly assigned to receive AF-CBT (n = 65) or standardized AF education (n = 62). Online AF-CBT lasted 10 weeks and was therapist guided. The main components were exposure to cardiac-related symptoms and reduction of AF-related avoidance behavior. Patients were evaluated at baseline, posttreatment, and at the 3-month follow-up. Primary outcome was AF-specific QoL as assessed by the Atrial Fibrillation Effect on Quality of Life summary score (range: 0-100) at the 3-month follow-up. Secondary outcomes included AF-specific health care consumption and AF burden assessed by 5-day continuous electrocardiogram recording. The AF-CBT group was followed for 12 months.

Results: AF-CBT led to large improvements in AF-specific QoL (Atrial Fibrillation Effect on Quality of Life summary score) by 15.0 points (95% CI: 10.1-19.8; P < 0.001). Furthermore, AF-CBT reduced health care consumption by 56% (95% CI: 22-90; P = 0.025). The AF burden remained unchanged. Results on self-assessed outcomes were sustained 12 months after treatment.

Conclusions: In patients with symptomatic paroxysmal AF, online CBT led to large improvements in AF-specific QoL and reduced health care use. If these results are replicated, online CBT may constitute an important addition to AF management. (Internet-Delivered Cognitive Behavior Therapy for Atrial Fibrillation; NCT03378349).

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http://dx.doi.org/10.1016/j.jacc.2023.04.044DOI Listing

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