Recent advances in microfluidic platelet function assays: Moving microfluidics into clinical applications.

Area of Science:

• Biomedical Engineering
• Hematology
• Microfluidics

Background:

• Platelet aggregation and thrombosis analysis have improved with microfluidic technology.
• Current platelet aggregation tests often lack correlation with clinical outcomes, highlighting unmet needs.
• Understanding fundamental platelet biology in microfluidic contexts is crucial for diagnostic advancement.

Purpose of the Study:

• To provide an overview of point-of-care microfluidic devices for platelet analysis.
• To critically discuss microfluidic systems designed to mimic in vivo vascular environments.
• To summarize challenges and future directions for microfluidic platelet function tests.

Main Methods:

• Review of commercially available point-of-care microfluidic devices.
• Analysis of recent microfluidic studies focusing on platelet aggregation and thrombosis.
• Discussion of microfluidic system characteristics simulating hemodynamic factors and vascular injury.

Main Results:

• Microfluidic systems offer a versatile platform for studying platelet aggregation and thrombosis.
• These systems can effectively mimic the pathophysiological environment of blood vessels.
• Several unsolved issues remain in the application of microfluidic platelet function tests.

Conclusions:

• Microfluidic platelet function tests are a promising tool for both basic research and clinical diagnostics.
• Further research is needed to bridge the gap between microfluidic test results and clinical outcomes.
• Optimizing microfluidic systems to better reflect in vivo conditions will enhance their diagnostic utility.