Zobrazeno 1 - 10
of 122
pro vyhledávání: '"Bernard Sigel"'
Autor:
Bernard Sigel
Publikováno v:
Ultrasound in Medicine & Biology. 24:169-176
The history of Doppler ultrasound in peripheral vascular diagnosis is considered in terms of basic developments, clinical applications and impact on medical practice. Many early developments occurred at Osaka University in Japan and the University of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::feb80a544e753c9791f67c4adf4dbcac
https://doi.org/10.1016/s0301-5629(97)00264-0
https://doi.org/10.1016/s0301-5629(97)00264-0
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::111ca8f3de8cfc9a2dab7927d506b159
https://doi.org/10.7863/jum.1997.16.2.107
https://doi.org/10.7863/jum.1997.16.2.107
Autor:
R. V. Kolecki, Andrew B. Roberts, Bernard Sigel, Richard E. Parsons, Polly Taylor, Ernest J. Feleppa, Hiroshi Kitamura, Joji Hayashi, Junji Machi, Jeffery Justin, Linda McGann
Publikováno v:
Journal of Vascular Surgery. 21:976-984
Purpose: The intent of the study was to determine whether ultrasonic tissue characterization (UTC) could indicate acuteness and stability of deep venous thrombosis (DVT) of the lower extremities. Methods: Thrombi presenting as filling defects on colo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bd35efdce5e5e26cd6fea3dba264ec5
https://doi.org/10.1016/s0741-5214(95)70226-1
https://doi.org/10.1016/s0741-5214(95)70226-1
Autor:
Jeffery Justin, Andrew Kalisz, Bernard Sigel, Joan Sokil-Melgar, Ernest J. Feleppa, Hiroshi Kitamura, J Machi
Publikováno v:
Ultrasound in Medicine & Biology. 21:827-832
Parameters of the power spectrum of backscattered echoes were applied to quantitatively evaluate red cell aggregation in vitro . Human red cell suspensions were circulated in a closed loop of tubing, and ultrasonic, radiofrequency, echo-signal data w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::473f17eb765a36fa3d44990196098963
https://doi.org/10.1016/0301-5629(95)00022-j
https://doi.org/10.1016/0301-5629(95)00022-j
Publikováno v:
Journal of Ultrasound in Medicine. 13:735-741
Color Doppler imaging has been reported to have a low degree of accuracy in diagnosing nonocclusive deep venous thrombosis. In this modality the color saturation while diagnosing deep vein thrombosis depends on the blood flow velocity and the sensiti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c99aca0a560c82bf480cf2a32bb506d
https://doi.org/10.7863/jum.1994.13.10.735
https://doi.org/10.7863/jum.1994.13.10.735
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5835c2f4a9d45e250f215493115a7fee
https://doi.org/10.1007/bf00843457
https://doi.org/10.1007/bf00843457
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20f809c968d57e4845156e5387bebf10
https://doi.org/10.1016/0301-5629(94)90101-5
https://doi.org/10.1016/0301-5629(94)90101-5
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f8b6232d299c9806bb4db71015d185d
https://doi.org/10.7863/jum.1993.12.10.601
https://doi.org/10.7863/jum.1993.12.10.601
Publikováno v:
World Journal of Surgery. 17:640-645
On the basis of our experience with operative ultrasonography during hepatobiliary and pancreatic surgery, its indications, benefits, and disadvantages are summarized. High-resolution operative ultrasound scanning of the liver, biliary tract, and pan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e4994b7090bd6fb01bb8c001b057aca
https://doi.org/10.1007/bf01659130
https://doi.org/10.1007/bf01659130