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Ultrasound cardioscopy: embarking on a new journey
J B Seward1, D L Packer, R C Chan
1Division of Cardiovascular Diseases, Mayo Clinic Rochester, MN 55905, USA.
Mayo Clinic Proceedings
|July 1, 1996
Summary
Ultrasound cardioscopy, a novel invasive ultrasound device, enables precise visualization and guidance for cardiac ablation procedures. This technology accurately predicts ablation injury size, offering a promising tool for under-blood interventions.
Area of Science:
- Cardiovascular imaging and intervention
- Minimally invasive cardiac procedures
Background:
- Invasive ultrasonography offers potential for enhanced visualization during cardiac procedures.
- Current methods may lack the precision for real-time, under-blood diagnostic and therapeutic interventions.
Purpose of the Study:
- To investigate the efficacy of ultrasound cardioscopy, a new invasive ultrasound application.
- To evaluate its capability for visualization and delivery of diagnostic and therapeutic tools during cardiac procedures.
Main Methods:
- A prototype ultrasound cardioscopy device was used in 20 adult mongrel dogs during experimental catheter ablation.
- The device, featuring a side-viewing transducer and tool delivery port, was inserted via the jugular vein into the right heart chambers.
- Procedures were monitored, and excised hearts were examined post-ablation.
Main Results:
- The ultrasound cardioscopy device successfully directed and visualized ablation injuries.
- Under-blood visualization provided detailed observation of the ablation process.
- Excised heart examination confirmed accurate prediction of ablation injury size, despite an initial learning curve.
Conclusions:
- Ultrasound cardioscopy demonstrates significant promise for precise, under-blood diagnostic and therapeutic interventions in the heart.
- This technology facilitates accurate guidance and assessment during cardiac procedures.