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Polymethyl Methacrylate-Based Smart Microfluidic Point-of-Care Testing of Prothrombin Time and International

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Area of Science:

  • Biomedical Engineering
  • Clinical Diagnostics
  • Materials Science

Background:

  • Mechanical heart valves necessitate anticoagulant therapy for patient safety.
  • Monitoring prothrombin time (PT) and international normalized ratio (INR) is crucial for effective anticoagulant therapy.
  • Current clinical PT/INR testing requires frequent clinic visits, posing a challenge for patients.

Purpose of the Study:

  • To design and develop an accurate, user-friendly, and cost-effective self-monitoring device for anticoagulant therapy.
  • To address the limitations of existing inaccurate, complex, or expensive PT/INR self-testing solutions.

Main Methods:

  • Development of a two-channel polymethyl methacrylate-based microfluidic point-of-care (POC) smart device.
  • Utilizing an Arduino-based lab-on-a-chip system to analyze optical properties of a small blood sample.

Main Results:

  • The developed microfluidic POC device achieved a high accuracy of 96.7% in measuring blood coagulation parameters.
  • The device offers a practical solution for at-home monitoring of anticoagulant therapy effectiveness.

Conclusions:

  • The novel microfluidic smart device provides a promising platform for accurate and accessible self-monitoring of anticoagulation.
  • This technology can empower patients to manage their therapy more effectively, reducing healthcare burdens.