History of Lyme Disease as a Predictor of Atrial Fibrillation

Anna Szymanska1, Anna E Platek2, Miroslaw Dluzniewski1

  • 1Department of Heart Diseases, The Medial Centre of Postgraduate Education, Warsaw, Poland.

Insights

Exposure to Borrelia burgdorferi, the bacterium causing Lyme disease, is linked to a higher risk of developing atrial fibrillation (AF). This suggests a potential connection between Lyme carditis and AF development.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Epidemiology

Background:

  • Atrial fibrillation (AF) is frequently linked to cardiac inflammation.
  • Borrelia burgdorferi, a pathogen causing Lyme carditis, is a potential contributor to atrial inflammation.

Purpose of the Study:

  • To investigate the association between serological evidence of Borrelia infection and the risk of developing AF.
  • To determine if past Borrelia exposure is an independent risk factor for AF.

Main Methods:

  • Cross-sectional study comparing 113 AF patients and 109 controls in sinus rhythm.
  • Clinical evaluation, echocardiography, and assessment of anti-Borrelia IgG antibodies in all participants.

Main Results:

  • Serological signs of Borrelia infection were significantly more prevalent in AF patients (34.5%) compared to controls (6.4%; p < 0.0001).
  • Positive anti-Borrelia IgG antibodies emerged as a strong independent predictor of AF (OR 8.21; 95% CI 3.08-21.88; p < 0.0001).

Conclusions:

  • Exposure to Borrelia species is associated with an increased risk of atrial fibrillation.
  • Further research is needed to ascertain if early Lyme disease treatment can mitigate AF risk.

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