Ultrasonic backscatter tissue characterization in cardiac diagnosis
نویسندگان
چکیده
منابع مشابه
Ultrasonic tissue characterization of human hypertrophied hearts in vivo with cardiac cycle-dependent variation in integrated backscatter.
Integrated ultrasonic backscatter (IB) is a noninvasive measure of the acoustic properties of myocardium. Previous experimental studies have indicated that altered acoustic properties of the myocardium are reflected by the magnitude of variation of IB during the cardiac cycle. In our study, cardiac cycle-dependent variation of IB was noninvasively measured using a quantitative IB imaging system...
متن کاملUltrasonic backscatter and serum marker of cardiac fibrosis in hypertensives.
Elevations in the serum concentration of the carboxy-terminal propeptide of procollagen type I (PIP) >127 microg/L have been found to predict severe myocardial fibrosis in hypertensive patients. This study was designed to assess whether ultrasonic reflectivity, evaluated by a real-time integrated backscatter analysis, was related to the severity of myocardial fibrosis as estimated by serum PIP....
متن کاملUltrasonic tissue characterization with integrated backscatter. Acute myocardial ischemia, reperfusion, and stunned myocardium in patients.
We have previously shown in studies of experimental animals that myocardium exhibits a cardiac cycle-dependent variation of integrated backscatter that reflects regional myocardial contractile performance and that is blunted promptly after arterial occlusion and recovers after reperfusion. To define the clinical utility of ultrasonic tissue characterization with integrated backscatter for detec...
متن کاملFetal Diagnosis with Ultrasonic Actocardiogram and GLHW Tissue Characterization
Actocardiogram: Ultrasonic Doppler actocardiogram was simultaneous tracing of FHR and fetal movement signals on the monitoring chart, created in 1984 by Maeda. Fetal behavior was easily studied, false-positive nonreactive FHR and physiological sinusoidal FHR were differentiated, the severity of fetal CNS lesion and common fetal disorders were determined, short and long-term outcomes were diagno...
متن کاملLABORATORY INVESTIGATION TISSUE CHARACTERIZATION The dependence of myocardial ultrasonic integrated backscatter on contractile performance*
We have recently shown that the cardiac cycle-dependent variation in myocardial ultrasonic integrated backscatter is blunted with regional ischemia in dogs. To determine if global and intramural regional myocardial contractile performance can be quantified by integrated backscatter, we analyzed ultrasonic responses after induction of increased and decreased contractility in five dogs. A recentl...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Clinical Cardiology
سال: 2009
ISSN: 0160-9289,1932-8737
DOI: 10.1002/clc.4960141702