Intravascular ultrasound characterization of thrombi of different composition
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Cited by (43)
Evaluation of the characterization of thrombi in vitro by optical coherence tomography
2016, International Journal of CardiologyCitation Excerpt :Fig. 1) The OCT system used in this study was FD-OCT Intravascular Imaging System (C7-XR, LightLab Imaging/St. Jude Medical, Westford, Massachusetts) which has been described previously [12–14]. Before image acquisition, the tip of an FD-OCT catheter (Dragon Fly, LightLab/St. Jude Medical, St. Paul, Minnesota) was initially advanced to the end of the tube.
Intravascular ultrasound for morphological assessment of napkin-ring sign detected on multidetector computed tomography
2016, International Journal of CardiologyCitation Excerpt :The speckled echo appearance observed in the present study may be similar to the previously reported bright speckled echo material reported to be more common in acute myocardial infarction than in stable angina [36]. As this appearance is recognized to represent a form of blood clot [37], NRS plaque cores may contain materials resembling an organized thrombus or a hematoma. Because of severe plaque attenuation, IVUS could not be used to assess the outer side of plaques in the majority of patients with NRS.
Relation of ruptured plaque culprit lesion phenotype and outcomes in patients with ST elevation acute myocardial infarction
2012, American Journal of CardiologyCitation Excerpt :Large occlusive thrombi can be found either angiographically or histologically in transmural infarction.20–22 A fresh thrombus shows low echogenicity similar to that of saline, but an organized thrombus is more echogenic.23 The composition of intramural thrombus is often heterogenous, showing features of organization, lytic changes, and fresh thrombus in the same tissue fragment.24
Impact of Intramural Thrombus in Coronary Arteries on the Accuracy of Tissue Characterization by In Vivo Intravascular Ultrasound Radiofrequency Data Analysis
2008, American Journal of CardiologyCitation Excerpt :From the pathologic classification, a fresh thrombus is composed of a layered pattern of platelet, fibrin, erythrocytes, and intact granulocytes, and an old thrombus shows ingrown smooth muscle cells with or without depositions of connective tissue and capillary vessel in growth, which is similar to fibrous plaque.14,15 In IVUS findings, a fresh thrombus shows low echogenicity, similar to saline solution, and the echogenicity of an organized thrombus is significantly higher than that of a fresh thrombus.16 Thus, it is expected that components of a fresh thrombus are closer to liquid and softer than those of an old thrombus.
Usefulness of High-Frequency Vascular Ultrasound Imaging and Serum Inflammatory Markers to Predict Plaque Rupture in Patients With Stable and Unstable Angina Pectoris
2007, American Journal of CardiologyCitation Excerpt :Otherwise, the lesions were regarded as single lesions.7 Plaque rupture was defined as a plaque containing a cavity that communicated with the lumen with an overlying residual fibrous cap fragment or was wedged by newly formed thrombus, no matter whether plaque rupture occurred in culprit or nonculprit lesions.9 The IVUS images were reviewed by 2 independent observers, and the final consensus values were used for data analysis.
Intravascular ultrasound as an alternative to positive-contrast vena cavography prior to filter placement
1999, Journal of Vascular and Interventional Radiology