Arrhythmias & electrophysiologyRandomised controlled trial

Atrial Fibrillation Catheter Ablation vs Medical Therapy and Psychological Distress

JAMAPublished

  • Randomised controlled trial
  • 2 atrial fibrillation (AF) centres in Australia

Authors' conclusion

In this trial of participants with symptomatic AF, improvement in psychological symptoms of anxiety and depression was observed with catheter ablation, but not medical therapy.

Study context

Population
Symptomatic AF, Australia, June 2018–March 2021
Participants
100 participants
Comparison
AF catheter ablation vs medical therapy
  • Ablationn = 52
  • Medical therapyn = 48reference
Primary endpoint
HADS score
Follow-up
12 months

Primary result

Combined HADS score

Between-group difference

−4.17

95% CI −7.04 to −1.31

P = 0.005

By group

Ablation

7.6

SD 5.3

Medical therapy

11.8

SD 8.6

Ablation vs Medical therapy
between-group difference −4.17 (95% CI −7.04 to −1.31); P = 0.005

As reported in the abstract

Secondary outcomes

Severe psychological distress (HADS score >15) · 12 months · 12 months; 6 months P = .02

P = 0.01

6 months

OutcomeAblationMedical therapyP value
Combined HADS score · 6 months8.2 (SD 5.4)11.9 (SD 7.2)P = 0.006
Anxiety HADS score · 12 months · 12 months; 6 months P = .024.5 (SD 3.3)6.6 (SD 4.8)P = 0.02
6 months4.7 [3.2]6.4 [3.9]
Depression HADS score · 12 months · 12 months; 3 months P = .047; 6 months P = .0043.1 (SD 2.6)5.2 (SD 3.9)P = 0.004
3 months3.7 [2.6]5.2 [4.0]
6 months3.4 [2.7]5.5 [3.9]
BDI-II score · 12 months · 12 months; 6 months P = .016.6 (SD 7.2)10.9 (SD 8.2)P = 0.01
6 months7.2 [6.1]11.5 [9.0]
AF burdenmedian 0% (IQR 0%–3.22%)median 15.5% (IQR 1.0%–45.9%)P < 0.001

Successful pulmonary vein isolation

Achieved in all participants in the ablation group

Original publication

Atrial Fibrillation Catheter Ablation vs Medical Therapy and Psychological Distress. JAMA. Published 12 September 2023. doi:10.1001/jama.2023.14685

Summarised from the published abstract; every number is checked against it