ArticleUltrasound in medicine & biology2023
Quantifying the Effect of Acoustic Parameters on Temporal and Spatial Cavitation Activity: Gauging Cavitation Dose.
Article in Ultrasound in medicine & biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Assessment of Cavitation From DEFINITY and DEFINITY RT.Ultrasound in medicine & biology · 2026Article
- Delivery of Cavitation Therapy With a Modified Clinical Scanner: In Vitro Evaluation.IEEE transactions on ultrasonics, ferroelectrics, and frequency control · 2025Article
- Volumetric Passive Acoustic Mapping and Cavitation Detection of Nanobubbles under Low-Frequency Insonation.ACS materials Au · 2025Article
- The use of Shewhart control charts when conducting cavitation studies to identify and eliminate non-random causes of variability.MethodsX · 2024Article
- Ultrasound-Mediated Antibiotic Delivery to In Vivo Biofilm Infections: A Review.Chembiochem : a European journal of chemical biology · 2024Review
- Histotripsy and Catheter-Directed Lytic: Efficacy in Highly Retracted Porcine Clots In Vitro.Ultrasound in medicine & biology · 2024Article
- Therapeutic ultrasound transducer technology and monitoring techniques: a review with clinical examples.International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group · 2024Review
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Authors and funding
4 authors.
Funding
Abstract
objectiveCavitation-enhanced delivery of therapeutic agents is under development for the treatment of cancer and neurodegenerative and cardiovascular diseases, including sonothrombolysis for deep vein thrombosis. The objective of this study was to quantify the spatial and temporal distribution of cavitation activity nucleated by Definity infused through the EKOS catheter over a range of acoustic parameters controlled by the EKOS endovascular system.
methodsThree insonation protocols were compared in an in vitro phantom mimicking venous flow to measure the effect of peak rarefactional pressure, pulse duration and pulse repetition frequency on cavitation activity energy, location and duration. Inertial and stable cavitation activity was quantified using passive cavitation imaging, and a metric of cavitation dose based on energy density was defined.
resultsFor all three insonation protocols, cavitation was sustained for the entire 30 min Definity infusion. The evolution of cavitation energy during each pulse duration was similar for all three protocols. For insonation protocols with higher peak rarefactional acoustic pressures, inertial and stable cavitation doses also increased. A complex relationship between the temporal behavior of cavitation energy within each pulse and the pulse repetition frequency affected the cavitation dose for the three insonation protocols. The relative predominance of stable or inertial cavitation dose varied according to insonation schemes. Passive cavitation images revealed the spatial distribution of cavitation activity.
conclusionOur cavitation dose metric based on energy density enabled the impact of different acoustic parameters on cavitation activity to be measured. Depending on the type of cavitation to be promoted or suppressed, particular pulsing schemes could be employed in future studies, for example, to correlate cavitation dose with sonothrombolytic efficacy.
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