Diffraction‐based tissue characterization with ultrasound

Myocardial ultrasound tissue characterization in patients with chronic renal failure.

The objective of this study was to detect ultrastructural changes in myocardium related to collagen content by ultrasound tissue characterization in patients with chronic kidney disease (CKD) and in uncomplicated hypertensive control subjects. In 25 hemodialysis (HD) patients, in 25 patients with moderate to severe chronic renal failure (CRF), and in 10 patients with essential hypertension (EH)...

Ultrasound Tissue Characterization of Vulnerable Atherosclerotic Plaque

A thrombotic occlusion of the vessel fed by ruptured coronary atherosclerotic plaque may result in unstable angina, myocardial infarction or death, whereas embolization from a plaque in carotid arteries may result in transient ischemic attack or stroke. The atherosclerotic plaque prone to such clinical events is termed high-risk or vulnerable plaque, and its identification in humans before it b...

Window-modulated compounding Nakagami imaging for ultrasound tissue characterization.

Ultrasound Nakagami parametric imaging is a useful tool for tissue characterization. Previous literature has suggested using a square with side lengths corresponding to 3 times the transducer pulse length as the minimum window for constructing the Nakagami image. This criterion does not produce sufficiently smooth images for the Nakagami image to characterize homogeneous tissues. To improve ima...

Automated Tissue Characterization in Intravascular Ultrasound Gray-scale Images

Intravascular ultrasound (IVUS) is a widely used interventional imaging modality in displaying the morphology and even component of the vessel wall including possible plaques. Accurate identification of different types of atherosclerotic plaques are essential for diagnosis and treatment planning of coronary artery diseases. The shear stress distribution at the vessel branching exhibits consider...

Intravascular ultrasound tissue characterization: messages from the heart.