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Relatively Benign yet a Reversible Cause of Dilated Cardiomyopathy

Faris Khan1, Mansoor Ahmad1, Sumera Kanwal1

  • 1Department of Internal Medicine, Division of Cardiovascular Medicine, University of Nebraska Medical Center, Omaha, Nebraska, USA.

JACC. Case Reports
|July 28, 2021
PubMed

Insights

Frequent atrial premature contractions (APCs) can cause cardiomyopathy, similar to ventricular arrhythmias. Early detection and ablation of APCs can restore normal heart function.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Cardiac Imaging

Background:

  • Arrhythmia-induced cardiomyopathy is well-documented for ventricular arrhythmias.
  • Limited data exists on cardiomyopathy caused by frequent atrial premature contractions (APCs).

Observation:

  • Patients with frequent APCs may develop cardiomyopathy.
  • Left ventricular dysfunction can be a consequence of these arrhythmias.

Findings:

  • Early identification of frequent APCs is crucial.
  • Successful ablation of APCs can reverse left ventricular dysfunction.

Implications:

  • This highlights APCs as a potential cause of cardiomyopathy.
  • Timely intervention through ablation can improve cardiac function in affected patients.

Keywords:
APC, atrial premature contractionCS, coronary sinusLVIDd, left ventricular internal diameter at end-diastoleLVIDs, left ventricular internal diameter at end-systoleatrial premature contractionsdilated cardiomyopathy

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