Strijder, C.

plaque strain macrophage temperature atherosclerotic value intravascular elastography artery region study atherosclerotic plaques temperature heterogeneity strain values cap thickness ultrasound figure analysis circulation result heterogeneity collagen tissue activity catheter intravascular ultrasound elastography intravascular elastography component thickness sensitivity specificity relation mmp -9 lipid rabbit histology elastogram model vivo temperature heterogeneity mmp -9 activity heart rupture korte cl accumulation plaque components korte segment muscle cells matrix measurement reference technique plaque features ultrasound med biol vulnerability patient lesion vessel macrophage accumulation metalloproteinase animal muscle strain value fi ndings plaque rupture 250 ␮ m mmp -2 pressure presence feature syndrome steen nonvulnerable plaques reference region coll cardiol ivus echogram intravascular ultrasound content van langenhove g vivo temperature measurements