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Updated: Jun 1, 2026
07:56
Closed Chest Biventricular Pressure-Volume Loop Recordings with Admittance Catheters in a Porcine Model
Published on: May 18, 2021
Implantable loop-recorders in myopathic and non-myopathic patients with left ventricular
Claudia Stöllberger1, Hans Keller, Christina Steger
12. Medizinische Abteilung, Krankenanstalt Rudolfstiftung, Austria. claudia.stoellberger@chello.at
International Journal of Cardiology
|June 10, 2011
Summary
Implantable loop-recorders can detect significant arrhythmias in patients with left ventricular noncompaction (LVNC) and preserved systolic function. This monitoring aids in guiding interventions like pacemaker implantation or radiofrequency ablation for sudden cardiac death prevention.
Area of Science:
- Cardiology
- Electrophysiology
- Medical Devices
Background:
- Left ventricular noncompaction (LVNC) is linked to arrhythmias, but prophylactic device implantation for sudden cardiac death is debated, especially in patients with preserved systolic function.
- The utility of implantable loop-recorders (ILRs) for arrhythmia detection in LVNC has not been previously reported.
Observation:
- This study retrospectively analyzed the use of ILRs in three patients diagnosed with LVNC and moderate to preserved left ventricular systolic function.
- ILRs were implanted to monitor for arrhythmias that could increase the risk of sudden cardiac death.
Findings:
- In one patient, ILR monitoring revealed pauses exceeding 3 seconds, necessitating pacemaker implantation.
- Another patient experienced tachycardia detected by the ILR, leading to successful radiofrequency ablation.
- The third patient's ILR did not detect any significant arrhythmias during the monitoring period.
Implications:
- Despite limited experience, ILR monitoring appears to be a valuable tool for identifying arrhythmias in LVNC patients.
- This approach may help stratify risk and guide therapeutic decisions, such as device implantation or ablation, in this population.
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