Why the study?
Platelet adhesion and aggregation behavior at nonphysiological post-stenosis, along with its affecting factors, are not fully understood.
Comparison
Different shear stresses and different hematocrits on collagen and fibrinogen
Design
In vitro microfluidic and flow cytometry experiment
Key result
Transient high shear stress (46 ms) effectively activated platelets and significantly increased platelet activity markers including P-selectin, glycoprotein IIb/IIIa, and monocyte-platelet aggregates.
Authors
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Alerts to thrombotic risk in high-shear devices; leaves open clinical translation of 46-ms platelet activation.
Transient high shear stress, such as that found post-stenosis, significantly activates platelets and promotes aggregation, highlighting biomechanical factors in thrombosis.
Gao et al. (2023) studied Thrombosis risk. Transient high shear stress vs. Low shear stress was evaluated on Platelet activation, adhesion, and aggregation. Transient high shear stress (46 ms) effectively activated platelets and significantly increased platelet activity markers including P-selectin, glycoprotein IIb/IIIa, and monocyte-platelet aggregates.
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