Key result
Arterial catheter insertion increases wall shear stress and flow vortices, potentially altering atheromatous plaque distribution.
Why the study?
The effects of catheter insertion on arterial wall shear stress and secondary flow patterns and their potential impact on atheromatous plaque distribution were not well understood.
Catheter insertion alters arterial hemodynamics by increasing wall shear stress and vortices, which may theoretically influence atheromatous plaque formation.
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Catheter-related flow changes may warrant consideration in high-risk vessels; leaves open whether they alter plaque distribution in vivo.
G. T. Karahalios (1990) studied Atheromatous plaques. Catheter insertion was evaluated on Wall shear stress and secondary flow vortices. Catheter insertion through an artery increases wall shear stress and secondary flow vortices, which may affect the preferential distribution of atheromatous plaques.
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