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Author Spotlight: A Novel Method for Comprehensive Cell Component Analysis of Cerebral Blood Clots
Published on: July 21, 2023
644
Thrombus composition and thrombolysis resistance in stroke.
Benoit Ho-Tin-Noé1, Jean-Philippe Desilles1,2, Mikael Mazighi1,2
1Université Paris Cité, Inserm, Optimisation Thérapeutique en Neuropsychopharmacologie, Paris, France.
Research and Practice in Thrombosis and Haemostasis
|August 4, 2023
Summary
Intravenous thrombolysis (IVT) for acute ischemic stroke has limited efficacy due to thrombus composition. Understanding fibrin structure and non-fibrin components like neutrophil extracellular traps can improve IVT effectiveness.
Area of Science:
- Neurology
- Hematology
- Biochemistry
Background:
- Intravenous thrombolysis (IVT) is the primary pharmacologic treatment for acute ischemic stroke.
- Despite its benefits, IVT efficacy is limited, with recanalization rates below 50%.
Purpose of the Study:
- To review current knowledge on thrombolysis resistance in acute ischemic stroke (AIS).
- To explore how thrombus composition and structure affect IVT efficacy.
- To discuss potential novel adjuvant therapies for improving IVT in AIS.
Main Methods:
- Review of recent findings on thrombus composition and its impact on IVT.
- Analysis of fibrin structure, neutrophil extracellular traps, and von Willebrand factor in AIS thrombi.
- Discussion of data presented at the 2022 ISTH Congress.
Main Results:
- Thrombus structure and composition significantly modulate IVT efficacy in AIS.
- Fibrin compaction, structural alterations, neutrophil extracellular traps, and von Willebrand factor contribute to IVT resistance.
- Emerging insights point to new therapeutic targets for enhancing IVT.
Conclusions:
- Thrombus composition is a critical factor influencing IVT outcomes in acute ischemic stroke.
- Targeting fibrin structure and non-fibrin components may overcome thrombolysis resistance.
- Future research and adjuvant therapies hold promise for improving IVT effectiveness in AIS.
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