ArticleUltrasound in medicine & biology2017
Acoustically Active Catheter for Intracardiac Navigation by Color Doppler Ultrasonography.
Article in Ultrasound in medicine & biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Active ultrasound tracking method for prostate brachytherapy using acoustic needle prototype and sonomicrometry.Journal of contemporary brachytherapy · 2025Article
- A Pilot Study on Novel Use of Color Doppler Imaging for Navigation of Wiring in Coronary Interventions.Ultrasound in medicine & biology · 2024Article
- Doppler-Guided Acoustically Active Injection Catheter: Transendocardial Delivery Assessed by an Efficacy Testing Animal Model.Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine · 2022Article
- Real-Time Visualization of an Acoustically Active Injection Catheter With Ultrasound Imaging: Algorithm and In Vivo Validation in a Swine Model.IEEE transactions on bio-medical engineering · 2019Article
- A Real-time Color Doppler Marker for Echocardiographic Guidance of an Acoustically Active Extracorporeal Membrane Oxygenation Cannula.Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine · 2019Article
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Authors and funding
5 authors.
Funding
Abstract
Navigation of intracardiac catheters by echocardiography is challenging because of the fundamental limitations of B-mode ultrasonography. We describe a catheter fitted with a piezoelectric crystal, which vibrates and produces an instantaneous marker in color flow Doppler scans. The navigation learning curve was explored first in six pigs. Accuracy and precision of targeting with the navigation marker "off" (i.e., B-mode imaging) and "on" were assessed in another six pigs. Paired comparisons confirmed significantly (p = 0.04) shorter mean distances achieved in each pig with the color Doppler marker. Pooled (mean ± standard deviation) distance of the catheter tip from the target crystal was 5.27 ± 1.62 mm by B-mode guidance and 3.66 ± 1.45 mm by color Doppler marker navigation. Dye injection targeted into the ischemic border zone was successful in 8 of 10 pigs. Intracardiac catheter navigation with color Doppler ultrasonography is more accurate compared with conventional guidance by B-mode imaging.
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