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Updated: Jul 4, 2026
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A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
Problems with implantable cardiac device therapy
Marcin Kowalski1, Jose F Huizar, Karoly Kaszala
1Department of Cardiac Electrophysiology Service, Virginia Commonwealth University Medical Center, Richmond, VA 23298-0053, USA.
Cardiology Clinics
|June 10, 2008
Summary
Implantable cardioverter-defibrillators (ICDs) improve survival but present challenges. This review focuses on diagnosing and managing difficult issues like high energy needs, infections, and device failures in ICD patients.
Area of Science:
- Cardiology
- Biomedical Engineering
Background:
- Implantable cardioverter-defibrillators (ICDs) are crucial for improving survival in patients with left ventricular dysfunction.
- However, ICD implantation and follow-up are associated with various complications.
- Effective management of these issues is vital for patient outcomes.
Purpose of the Study:
- To review the diagnosis and management of challenging problems associated with implantable cardioverter-defibrillators.
- To address complex scenarios beyond routine ICD care.
Main Methods:
- Literature review focusing on difficult ICD-related issues.
- Synthesis of current diagnostic and management strategies.
Main Results:
- Common ICD problems include elevated energy requirements for ventricular fibrillation termination and postoperative device infections.
- Long-term complications involve inappropriate or frequent appropriate shocks.
- ICD generators and leads exhibit higher failure rates than pacing systems alone, complicating management of patients reliant on recalled devices.
Conclusions:
- While many ICD issues are manageable, specific complex problems require specialized approaches.
- Addressing challenging ICD complications, including device failures and infections, is essential for optimizing patient care and device efficacy.
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