Related Experiment Video
Updated: May 4, 2026
Multi-timescale Microscopy Methods for the Characterization of Fluorescently-labeled Microbubbles for Ultrasound-Triggered Drug Release
Published on: June 12, 2021
Properties, characteristics and applications of microbubbles for sonothrombolysis
Marie de Saint Victor1, Calum Crake, Constantin-C Coussios
1University of Oxford, Institute of Biomedical Engineering, Department of Engineering Science , Old Road Campus Research Building, Oxford OX3 7DQ , UK +44(0)1865 617 747 ; eleanor.stride@eng.ox.ac.uk.
Microbubbles significantly enhance ultrasound-assisted clot dissolution (sonothrombolysis), accelerating artery recanalization. Further research is needed to ensure safety and optimize this promising adjuvant therapy for occlusive conditions.
Area of Science:
- Biomedical Engineering
- Cardiovascular Research
- Medical Imaging
Background:
- Ultrasound enhancement of thrombolysis (sonothrombolysis) is potentiated by microbubbles.
- Microbubbles offer potential adjuvant therapies for occlusive conditions like ischemic stroke.
Purpose of the Study:
- Evaluate the role of microbubbles in sonothrombolysis.
- Review in vitro, in vivo evidence, and clinical trials.
- Discuss mechanisms and challenges for clinical adoption.
Main Methods:
- Systematic literature search for microbubble, ultrasound, and drug parameters.
- Critical review of published in vitro and in vivo studies.
- Analysis of clinical trial data and identification of challenges.
Main Results:
- Microbubble-enhanced sonothrombolysis shows improved clot lysis compared to conventional methods.
- Evidence supports accelerated arterial recanalization in clinical settings.
- Acoustic cavitation and thermal effects are key mechanisms.
Conclusions:
- Microbubble-enhanced thrombolysis is supported by extensive evidence.
- Clinical benefits include accelerated recanalization, but patient safety requires further research.
- Improved understanding, demonstrated superiority over existing treatments, and reliable monitoring are crucial for widespread adoption.
