Biopsy of cardiac masses using a stabilized intracardiac echocardiography-guided system

Area of Science:

• Cardiology
• Interventional Radiology
• Medical Instrumentation

Background:

• Cardiac mass biopsy is technically challenging due to continuous cardiac motion and blood flow.
• Conventional imaging has limited utility in this dynamic cardiac environment.
• Risk of complications including hemorrhage, tamponade, arrhythmia, and embolization is high.

Observation:

• A novel instrumentation system, originally designed for portocaval shunts, was adapted for cardiac mass biopsy.
• Intracardiac echocardiography (ICE) was utilized for real-time imaging guidance.
• The procedure was performed on six patients with cardiac or juxtacardiac masses.

Findings:

• The adapted instrumentation system successfully performed core biopsies of cardiac and juxtacardiac masses.
• Pathologic diagnoses were obtained in five out of six cases.
• No hemorrhagic complications were reported in any of the patients.

Implications:

• This approach offers a potentially safer and more effective method for cardiac mass biopsy.
• Intracardiac echocardiography-guided biopsy may overcome limitations of conventional imaging.
• Further research could establish this technique as a valuable diagnostic tool in cardiology.