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Cardioverter-defibrillator systems implanted without thoracotomy: radiographic findings
S R Chmielewski1, H G Zegel, C Gottlieb
1Department of Medical Imaging, Presbyterian Medical Center of Philadelphia, PA 19104.
AJR. American Journal of Roentgenology
|November 1, 1993
Summary
Implantable cardioverter-defibrillators (ICDs) have transformed heart disease management. Newer ICD systems, implanted without thoracotomy, reduce complications associated with earlier devices and median sternotomy.
Area of Science:
- Cardiology
- Medical Imaging
- Cardiac Electrophysiology
Background:
- Ventricular arrhythmias are a leading cause of sudden cardiac death in the US.
- Implantable cardioverter-defibrillators (ICDs) have revolutionized arrhythmia management.
- Traditional ICD implantation via thoracotomy carries significant morbidity risks.
Purpose of the Study:
- To describe the radiographic appearance of new ICD lead systems.
- To identify and illustrate complications associated with novel ICD lead systems.
- To compare radiographic findings of transvenous ICDs with historical data.
Main Methods:
- Review of radiographic images from patients receiving new ICD lead systems.
- Correlation of imaging findings with clinical outcomes and device performance.
- Comparison of complication rates between different ICD implantation techniques.
Main Results:
- Illustrations of normal radiographic anatomy for two new ICD lead systems.
- Documentation of specific complications, including lead dislodgement and device-related issues.
- Radiographic evidence of reduced complications compared to thoracotomy-based systems.
Conclusions:
- Minimally invasive ICD implantation techniques are associated with a lower complication profile.
- Radiography is crucial for assessing the proper placement and identifying complications of ICD lead systems.
- Advancements in ICD technology continue to improve patient outcomes and reduce procedural risks.