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Bioabsorbable Carboxymethyl Starch-Calcium Ionic Assembly Powder as a Hemostatic Agent.

Young-Gwang Ko1, Byeong Nam Kim2, Eun Jin Kim2

  • 1Department of Polymer Science and Engineering, Kumoh National Institute of Technology, Gumi 39177, Korea.

Polymers
|September 23, 2022
PubMed
Summary
This summary is machine-generated.

A new bioabsorbable hemostatic powder, OOZFIXTM, effectively stops bleeding by reducing desorption. This innovative powder offers improved hemostasis for complex surgical sites compared to existing agents.

Keywords:
calciumcarboxymethyl starchhemostatic agentpowder

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Area of Science:

  • Biomaterials Science
  • Hemostasis Research
  • Surgical Innovation

Background:

  • Hemostatic powders offer advantages for complex bleeding sites but suffer from desorption.
  • Reduced desorption is critical for maintaining hemostatic efficacy.

Purpose of the Study:

  • To investigate the hemostatic performance of a novel bioabsorbable powder (OOZFIXTM) with reduced desorption.
  • To compare OOZFIXTM with a commercial carboxymethyl starch-based hemostatic powder (AristaTM AH).

Main Methods:

  • Characterization of OOZFIXTM microstructure and chemical properties.
  • Evaluation of hemostatic performance: blood absorption, absorption rate, coagulation time, TEG, rheology, adhesion, and C3a activation.
  • In vivo assessment using a rat hepatic hemorrhage model.

Main Results:

  • OOZFIXTM demonstrated significantly faster hemostasis (78 ± 17 s) compared to AristaTM AH (182 ± 11 s) in vivo.
  • Reduced desorption of OOZFIXTM was confirmed as the key factor for improved efficacy.
  • Quick biodegradation of OOZFIXTM (<3 weeks) was observed.

Conclusions:

  • OOZFIXTM exhibits superior hemostatic performance due to decreased desorption.
  • The bioabsorbable hemostatic powder shows promise for precise surgical applications.
  • OOZFIXTM represents a significant advancement in hemostatic agent technology.