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[Myocardial ischemia caused by ICD electrodes?].
H P Dübel1, C Opitz, R Aurisch
1Med. Klinik und Poliklinik Schwerpunkt Kardiologie, Angiologie, Pneumologie-Herzkatheterlabor Universitätsklinikum Charité, Berlin.
Zeitschrift Fur Kardiologie
|July 22, 1999
Summary
A patient with an implanted cardioverter-defibrillator (ICD) experienced myocardial ischemia due to the ICD electrode compressing the left anterior descending artery (LAD) during systole.
Area of Science:
- Cardiology
- Medical Device Technology
Background:
- Implantation of cardioverter-defibrillators (ICDs) is a common procedure for managing cardiac arrhythmias.
- Potential complications associated with ICD implantation require ongoing investigation.
Observation:
- A 65-year-old male patient presented with symptoms suggestive of myocardial ischemia.
- Imaging revealed a close proximity between the tip of the implanted ICD electrode and the distal portion of the left anterior descending artery (LAD).
Findings:
- The ICD electrode was observed to compress the LAD during ventricular systole.
- This mechanical compression is hypothesized to be the cause of the observed myocardial ischemia.
Implications:
- This case highlights a potential, previously unreported complication of ICD implantation.
- Awareness of this anatomical relationship is crucial for preventing iatrogenic coronary artery compression and subsequent ischemia.