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Updated: Jun 13, 2026

Prehospital Thrombolysis: A Manual from Berlin
Published on: November 26, 2013
[Thrombolysis in acute coronary syndrome]
1First Department of Internal Medicine, Nara Medical University.
Insights
Combining ultrasound with thrombolysis may improve treatment for acute myocardial infarction (AMI). This approach enhances blood clot dissolution, potentially offering a safer and more effective alternative for acute arterial thrombotic diseases.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Biomedical Engineering
Context:
- Acute myocardial infarction (AMI) prognosis depends heavily on timely recanalization.
- Pharmacological thrombolysis is widely available but achieves lower reperfusion rates and carries risks of hemorrhage compared to percutaneous coronary intervention.
- Existing treatments for AMI have limitations requiring novel therapeutic strategies.
Purpose:
- To evaluate the efficacy of combining transcutaneous ultrasound with pharmacological thrombolysis.
- To address the limitations of conventional thrombolysis, including suboptimal reperfusion and hemorrhagic complications.
- To investigate a potential adjunctive therapy for acute arterial thrombotic diseases.
Summary:
- An experimental study utilized a rabbit femoral artery occlusion model with platelet and fibrin-rich thrombi, mimicking AMI.
- Transcutaneous ultrasound was combined with pharmacological thrombolysis to assess its effectiveness in facilitating clot dissolution.
- The experimental results indicate that ultrasound-assisted thrombolysis shows promise in improving recanalization.
Impact:
- This research suggests a potential benefit of transcutaneous ultrasound as an adjunct to thrombolysis for acute arterial thrombotic diseases, including AMI.
- The findings may lead to improved treatment strategies for AMI, enhancing reperfusion rates and potentially reducing complications.
- This study opens avenues for further research into non-invasive methods to augment pharmacological therapies in cardiovascular emergencies.
Abstract:
The prognosis of acute myocardial infarction(AMI) is greatly influenced by the time to recanalization after onset. Although thrombolysis has the advantage of universal availability and short time to administration, Thrombolysis in Myocardial Infarction(TIMI) grade 3 reperfusion is less achieved by thrombolysis than percutaneous coronary intervention. Additionally, hemorrhagic complications are feared in thrombolysis. For the purpose of improving those disadvantages. we tested the efficacy of combining the transcutaneous ultrasound with a pharmacological thrombolysis in the rabbit femoral artery occlusion model with the platelet and fibrin-rich thrombus like AMI. The results of our experimental study suggest the possible benefit of using transcutaneous ultrasound to facilitate thrombolysis in the acute arterial thrombotic diseases including AMI.
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