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An adaptive fractal model for sublingual microcirculation.

Sheng Jiang1, Peilun Li1, Yanfei Shen2

  • 1Department of Biomedical Engineering, Zhejiang University, Hangzhou, China.

Microvascular Research
|November 9, 2020
PubMed
Summary

This study introduces a fractal network model to analyze sublingual microcirculation, offering a comprehensive view beyond handheld vital microscopy limitations for better tissue perfusion assessment.

Keywords:
Adaptive regulationFractalsMathematical modelSublingual microcirculation

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Area of Science:

  • Biomedical Engineering
  • Physiology
  • Medical Imaging

Background:

  • Microcirculation status, indicated by hemodynamics and oxygen partial pressure, is crucial for assessing critical illnesses like sepsis.
  • The human tongue's sublingual microcirculation is a key indicator of tissue perfusion.
  • Current handheld vital microscopy (HVM) provides limited views of the microcirculatory network.

Purpose of the Study:

  • To develop a mathematical network model for sublingual microcirculation.
  • To overcome the limitations of HVM in capturing the entire microcirculatory network.
  • To enhance the assessment of tissue perfusion using advanced modeling techniques.

Main Methods:

  • Utilized fractal analysis to model sublingual microcirculation hemodynamics and function.
  • Integrated HVM for collecting partial morphological and hemodynamic data.
  • Incorporated an adaptive regulation mechanism to improve model performance.

Main Results:

  • Successfully constructed a mathematical network model of sublingual microcirculation.
  • Validated the model using experimental data, showing consistency with microcirculatory characteristics.
  • Demonstrated the model's capability to simulate hemodynamic and functional activities.

Conclusions:

  • The proposed fractal network modeling approach offers a novel method for sublingual microcirculation research.
  • This method enhances the ability to assess tissue perfusion comprehensively.
  • The model shows potential for improved diagnosis and treatment strategies in critical diseases.