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Combined Near-infrared Fluorescent Imaging and Micro-computed Tomography for Directly Visualizing Cerebral Thromboemboli
13:10

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Published on: September 25, 2016

[Histopathology analysis of microemboli after thrombolysis]

Hai-yan Zhu1, Hong Shen, Yu-ying Liu

  • 1Emergency Department, General Hospital of PLA, Beijing 100853, China. zhuhy301@163.com

Zhongguo Wei Zhong Bing Ji Jiu Yi Xue = Chinese Critical Care Medicine = Zhongguo Weizhongbing Jijiuyixue
|May 2, 2006
PubMed
Abstract

Insights

Fibrin is a key component of microthrombi following thrombolysis. This study observed fibrin changes and fibrinolytic markers, providing insights into micro-thrombolytic therapy effectiveness.

Area of Science:

  • Biomedical research
  • Thrombosis and hemostasis
  • Vascular biology

Context:

  • Microvascular obstruction is a significant complication after reperfusion therapies.
  • Understanding the composition of microemboli is crucial for developing effective treatments.
  • The
  • no reflow
  • phenomenon
  • remains
  • a
  • challenge
  • in
  • clinical
  • practice.

Purpose:

  • To investigate the dynamic changes in fibrin within microemboli after thrombolysis.
  • To assess the levels of tissue plasminogen activator (t-PA) and plasminogen activator inhibitor (PAI) as indicators of fibrin dissolution.
  • To establish a theoretical foundation for optimizing micro-thrombolytic therapies.

Summary:

  • Fibrin was identified as a primary constituent of microthrombi post-thrombolysis.
  • Immunohistochemical analysis revealed decreasing levels of t-PA and increasing levels of PAI over time.
  • These findings indicate a progressive increase in fibrous emboli content after microembolization.

Impact:

  • This research provides critical insights into the composition and evolution of microthrombi.
  • The study highlights the significant role of thrombolysis in addressing the "no reflow" phenomenon.
  • Findings can inform the development of targeted therapeutic strategies for microvascular disorders.

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