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Related Concept Videos

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After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
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Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
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Related Experiment Video

Updated: Jun 30, 2025

An In vitro System to Gauge the Thrombolytic Efficacy of Histotripsy and a Lytic Drug
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[Thrombectomy].

Daizo Ishii1, Nobutaka Horie

  • 1Department of Neurosurgery, Hiroshima University Hospital.

No Shinkei Geka. Neurological Surgery
|March 21, 2024
PubMed
Summary

Endovascular procedures are standard for large vessel occlusion stroke. Maximizing the first-pass effect requires understanding device characteristics and tailoring strategies to individual surgeons and institutions for optimal acute stroke treatment.

Area of Science:

  • Neurology
  • Interventional Radiology
  • Neurosurgery

Context:

  • Endovascular procedures are the standard of care for acute ischemic stroke resulting from large vessel occlusion (LVO).
  • Multiple endovascular strategies exist, including stent retrievers, aspiration catheters, and combined approaches.
  • Optimizing the first-pass effect is crucial for successful reperfusion in LVO stroke treatment.

Purpose:

  • To highlight the importance of understanding device characteristics in endovascular stroke treatment.
  • To emphasize the need for case-specific treatment strategies in acute LVO stroke.
  • To guide clinicians in selecting the most effective endovascular technique based on institutional and surgeon familiarity.

Summary:

  • Endovascular therapy is the primary treatment for acute stroke due to large vessel occlusion.

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  • Available techniques include stent retrieval, aspiration, and combined methods.
  • Maximizing the first-pass effect depends on surgeon expertise and institutional preference, necessitating a thorough understanding of each device's capabilities.

    • Impact:

    • Informed selection of endovascular devices and techniques for acute LVO stroke.
    • Potential improvement in first-pass reperfusion rates and patient outcomes.
    • Facilitation of personalized treatment strategies in neurovascular interventions.