[A 65-year-old man with wearable cardioverter/defibrillator early after acute myocardial infarction]

F W Horlbeck1, G Nickenig, J O Schwab

  • 1Medizinische Klinik II, Kardiologie, Universitätsklinikum Bonn, Sigmund-Freud-Str. 25, 53105, Bonn, Deutschland, fritz.horlbeck@ukb.uni-bonn.de.

Der Internist
|September 5, 2015
PubMed

Insights

A wearable cardioverter defibrillator (WCD) provided temporary protection for a high-risk myocardial infarction patient. The WCD successfully treated life-threatening arrhythmias, leading to the implantation of a permanent device.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Devices

Background:

  • Severe coronary artery disease and prior bypass graft surgery complicated an acute myocardial infarction.
  • Initial percutaneous coronary intervention addressed the culprit lesion but left significant residual stenoses.

Observation:

  • The patient presented with a high risk for lethal ventricular arrhythmias despite no immediate indication for an implantable cardioverter/defibrillator (ICD).
  • A wearable cardioverter defibrillator (WCD) was initiated for temporary protection due to complex coronary anatomy.

Findings:

  • The WCD successfully treated spontaneous ventricular tachycardia and fibrillation with high-voltage therapy 26 days post-MI.
  • This event prompted the decision for secondary prevention ICD implantation.

Implications:

  • Carefully selected post-MI patients may benefit from temporary WCD protection.
  • WCDs offer a window for reevaluation of permanent ICD implantation based on ventricular function and arrhythmia occurrence.

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