Anisotropy of the ultrasonic backscatter of myocardial tissue: I. Theory and measurements invitro

JG Mottley, JG Miller - The Journal of the Acoustical Society of America, 1988 - pubs.aip.org
This research addresses the variations in the ultrasonic backscatter from specimens
consisting of a suspension of approximately aligned cylindrical scatterers in a fluid medium …

Anisotropy of the ultrasonic backscatter of myocardial tissue: II. Measurements invivo

EI Madaras, J Perez, BE Sobel, JG Mottley… - The Journal of the …, 1988 - pubs.aip.org
The purpose of this investigation was to determine the angular dependence of the
backscatter from canine myocardial tissue in vivo and to compare it with the variation of …

Anisotropy of the apparent frequency dependence of backscatter in formalin fixed human myocardium

CS Hall, ED Verdonk, SA Wickline, JE Perez… - The Journal of the …, 1997 - pubs.aip.org
Measurements of the frequency dependence of ultrasonic backscatter are presented for
specific angles of insonification for regions of infarcted and noninfarcted human …

A proposed microscopic elastic wave theory for ultrasonic backscatter from myocardial tissue

JH Rose, MR Kaufmann, SA Wickline… - The Journal of the …, 1995 - pubs.aip.org
The physical structures responsible for ultrasonic scattering from myocardial tissue have not
yet been conclusively defined. It is hypothesized in this paper that the backscatter from …

Characterization of anisotropic myocardial backscatter using spectral slope, intercept and midband fit parameters

M Yang, TM Krueger, JG Miller… - Ultrasonic …, 2007 - journals.sagepub.com
The specific myocardial structural components that contribute to the observed level of
backscatter from the heart and its dependence on the angle of insonification have not been …

[引用][C] Ultrasonic scattering from tissues

KK Shung, JM Reid - 1977 Ultrasonics Symposium, 1977 - ieeexplore.ieee.org
This paper presents the extension of our previous effort to determine quantitatively the
ultrasonic backscattering coefficients, defined as the power scattered by a unit volume …

Regional differences in the cyclic variation of myocardial backscatter that parallel regional differences in contractile performance

JG Mottley, RM Glueck, JE Perez, BE Sobel… - The Journal of the …, 1984 - pubs.aip.org
Previous reports from our laboratory indicate that ultrasonic backscatter from myocardium
exhibits a cyclic variation during the cardiac cycle that is reduced sharply by ischemia, a …

Ultrasonic backscatter from mammalian tissues

DY Fei, KK Shung - The Journal of the Acoustical Society of America, 1985 - pubs.aip.org
Ultrasonic B‐mode images are formed from echoes backscattered from tissue structures in
the body. Quantitative analysis of this signal from tissues may provide additional information …

Effects of myocardial contraction on ultrasonic backscatter before and after ischemia

B Barzilai, EI Madaras, BE Sobel… - American Journal of …, 1984 - journals.physiology.org
To determine whether contraction and relaxation influence quantitative myocardial
ultrasonic backscatter we measured systolic and diastolic integrated backscatter separately …

Comparison of the anisotropy of apparent integrated ultrasonic backscatter from fixed human tendon and fixed human myocardium

BK Hoffmeister, AK Wong, ED Verdonk… - The Journal of the …, 1995 - pubs.aip.org
The content and organization of collagen in the cardiac interstitium may represent significant
determinants of the ultrasonic scattering properties of myocardium. This study was designed …