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Related Experiment Videos

Anatomic and hemodynamic imaging using a new vector phased-array intracardiac catheter.

Peng Li1, Ismail T Dairywala, Zheng Liu

  • 1Division of Cardiology, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI, USA.

Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography
|April 11, 2002
PubMed
Summary

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A novel phased-array intracardiac catheter (AcuNav) provides detailed cardiac imaging and Doppler assessment. This technology enables comprehensive structural and functional evaluation of the heart.

Area of Science:

  • Cardiovascular Imaging
  • Veterinary Cardiology
  • Medical Device Technology

Background:

  • A new phased-array intracardiac catheter, AcuNav, offers 2D imaging and Doppler capabilities.
  • This technology facilitates a systematic approach to cardiac assessment.

Purpose of the Study:

  • To describe a systematic approach for detailed anatomic and hemodynamic cardiac assessment using the AcuNav catheter.
  • To evaluate the capabilities of the AcuNav catheter in a preclinical model.

Main Methods:

  • The AcuNav intracardiac echocardiographic catheter was inserted via venous access in 14 dogs.
  • A comprehensive ultrasound examination of the heart was performed with the catheter placed in the right side of the heart.

Main Results:

Related Experiment Videos

  • Successful imaging of all 4 cardiac chambers and valves was achieved in multiple orientations.
  • Additional structures visualized included vena cavae, coronary sinus, appendages, interarterial septum, coronary arteries, pulmonary veins, aorta, liver, and hepatic veins.
  • Complete Doppler examination of intracardiac and paracardiac flows was feasible.

Conclusions:

  • AcuNav is a unique intracardiac imaging device.
  • It allows for comprehensive structural and functional cardiac assessment.