Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Jeffrey R. Justin"'
Autor:
V Gahtan, K Shirouzu, T Noritomi, Bernard Sigel, Jeffrey R. Justin, V. Swami, Ernest J. Feleppa
Publikováno v:
Journal of Ultrasound in Medicine. 16:107-111
The purpose of the study was to determine whether ultrasonic tissue characterization could detect carotid plaque thrombus in vivo. Patients undergoing carotid endarterectomy were examined preoperatively and the ultrasonic tissue characterization find
Autor:
Bernard Sigel, R. V. Kolecki, J. Machi, Howard A. Zaren, Hiroshi Kitamura, J. H. Schwartz, T. Hosokawa, Robert M. Golub, Jeffrey R. Justin
Publikováno v:
Surgical Endoscopy. 8:871-874
Viscera slide is the normal, longitudinal movement of the intraabdominal viscera caused by respiratory excursions of the diaphragm. By detecting areas of restricted viscera slide, ultrasonic imaging was used to identify anterior abdominal wall adhesi
Autor:
Tetsuya Hosokawa, Jeffrey R. Justin, George P. Tuszynski, J Machi, Bernard Sigel, R. V. Kolecki, Teruo Kakegawa, Hiroshi Kitamura, Ernest J. Feleppa
Publikováno v:
Ultrasound in Medicine & Biology. 20:463-470
In vitro experiments using weak scatterers ranging in size from mean longest diameter of 26.9 to 83.0 microns were performed to test the validity of theoretical predictions for scatterer size and concentration derived from normalized power spectrum p
Autor:
Ernest J. Feleppa, Mary Rorke, Bernard Sigel, Robert M. Golub, Richard E. Parsons, Jeffrey R. Justin, J Sokil-Melgar, Howard A. Zaren, Hiroshi Kimitsuki
Publikováno v:
Journal of Ultrasound in Medicine. 12:601-608
The ability of ultrasonic tissue characterization to differentiate and classify benign and malignant breast tissues in vivo in patients with palpable breast masses and in vitro in excised breast tissue was evaluated. One-hundred and twenty-four in vi
Autor:
Issei Kodama, Jeffrey R. Justin, J Machi, Richard E. Parsons, Robert M. Golub, Ajit K. Sachdeva, Howard A. Zaren, Bernard Sigel, Laurie A. Loiacono
Publikováno v:
Surgical Endoscopy. 5:161-165
A technique for noninvasive ultrasound examination to detect and map abdominal wall adhesions is described. The examination is based on the demonstration of movement of abdominal viscera during real-time imaging. This movement is called viscera slide
Publikováno v:
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine. 9(4)
Publikováno v:
Journal of Clinical Ultrasound. 11:3-10
The mechanism of echogenicity of flowing blood during real-time ultrasonography was investigated experimentally in vivo by scanning venous and arterial blood and venous blood subjected to varying degrees of obstruction. Luminal echoes were more inten
Autor:
Jeffrey R. Justin, Bernard Sigel, Jimmie Williams, Robert J. Gibson, George L. Popky, Annette L. Edelstein, W. Robert Felix
Publikováno v:
Journal of Clinical Ultrasound. 4:275-282
Pulsed Doppler ultrasound blood flow detection has been used in a noninvasive manner to detect arterial abnormalities associated with arteriosclerosis. Sound spectrograms of ultrasound signals obtained from in vitro and animal studies in which flow w
Autor:
A.M. Kolb, Charles D. Forbes, P. Pfitzer, A.D. Muller, E. Pesciullesi, A.R. Saniabadi, Vicente Vicente, P. Fidani, Ignacio Alberca, G.F. Gensini, Antonio Chistolini, Donald I. Feinstein, Abel L. Robertson, J.J.F. Belch, M.G. Mazzucconi, G. Brochier, Gordon D.O. Lowe, I. Calles, Junji Machi, Guy C. LeBreton, M. Francesconi, C. Bosser, A.C.P. Zondag, Maria Gabriella Doni, J. Grassmuck, Jose R. Ramos, C. Pieroni, A. Lombardi, M. Winkelmann, Robert B. Francis, Bernard Sigel, J. Stöckler, A. Lopez Borrasca, D. Bottecchia, G.M. Gandolfo, W. Schneider, G.G. Neri Serneri, Alberto Fortini, Harold Feinberg, Manuel A. Manso, Jeffrey R. Justin, J.C. Barbenel, L. Conti, L. Noel
Publikováno v:
Pathophysiology of Haemostasis and Thrombosis. 14:I-VI
Publikováno v:
Radiology. 148:799-802
The role of red cell aggregation as a cause of ultrasonic echogenicity in flowing blood was evaluated by in vitro experiments using fresh human blood. Blood was circulated in tubes of varying diameter (12 mm to 6 mm). In all experiments, echogenicity