Atrial fibrillation and congestive heart failure: risk factors, mechanisms, and treatment

E Kevin Heist1, Jeremy N Ruskin

  • 1Cardiac Arrhythmia Service, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.

Insights

Atrial fibrillation (AF) and congestive heart failure (CHF) often coexist, sharing risk factors and underlying mechanisms. Treatments range from medications and devices to ablation and novel biologic therapies.

Area of Science:

  • Cardiology
  • Internal Medicine

Background:

  • Atrial fibrillation (AF) and congestive heart failure (CHF) are frequently comorbid conditions.
  • Shared risk factors include age, hypertension, and myocardial infarction.
  • Common pathophysiological mechanisms involve myocardial fibrosis and intracellular dysregulation.

Purpose of the Study:

  • To review the relationship between AF and CHF.
  • To discuss shared risk factors and mechanisms.
  • To outline current and emerging treatment strategies.

Main Methods:

  • Literature review of studies on AF and CHF.
  • Analysis of shared etiological factors and pathophysiological pathways.
  • Evaluation of pharmacological, device-based, and interventional therapies.

Main Results:

  • Both AF and CHF share common risk factors and underlying mechanisms.
  • Pharmacological treatments like beta-blockers and ACE inhibitors are beneficial for both.
  • Device therapies (pacemakers, CRT) and ablation offer therapeutic options.
  • Investigational cell and gene therapies show future promise.

Conclusions:

  • AF and CHF are interconnected conditions with overlapping pathophysiology.
  • A multifaceted treatment approach combining medications, devices, and interventions is often necessary.
  • Future biologic therapies hold potential for addressing core disease mechanisms.

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