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Intravascular Ultra Sound

S Spiliopoulos, P Kitrou, K Katsanos, D Karnabatidis
Intra-Vascular Ultra-Sound (IVUS) and Frequency Domain-Optical Coherence Tomography (FD-OCT), in vivo, intra-vascular, imaging modalities, widely used in the field of coronary disease, have been recently implemented in peripheral endovascular procedures, for procedural assessment, plaque characterization and determination of predictors of treatment outcomes. Their unique characteristics have also been used in order to provide additional features and improve the performance of re-entry devices and atherotomes...
February 2017: Expert Review of Medical Devices
Hector Ferra, Hector Ferral, George Behrens, Yanki Tumer, Magdalene Riemenschneider
OBJECTIVE: The purpose of this study is to report the 30-day morbidity and mortality associated with the endovascular diagnosis and management of chronic cerebrospinal venous insufficiency. MATERIALS AND METHODS: The medical records of 95 consecutive patients (60 women and 35 men) with a mean age of 48 years (age range, 25-66 years) who underwent diagnostic endovascular evaluation and intervention for chronic cerebrospinal venous insufficiency between June 2010 and September 2011 were reviewed retrospectively...
June 2013: AJR. American Journal of Roentgenology
R A de Mello, T Gregório, T Cardoso
UNLABELLED: "Chylous ascites is a rare presentation of peritoneal effusion. The signet ring cell gastric adenocarcinoma is also relatively rare presentation of gastric cancer. We present a quite rare case of chylous ascites associated with signet ring cell gastric adenocarcinoma. CASE REPORT: a 47-years-old Caucasian man presented to our emergency department with abdominal distention. The abdominal ultra-sound showed high volume ascites and the diagnostic paracentesis revealed milk-like peritoneal fluid rich in triglycerides...
October 2012: Nigerian Journal of Clinical Practice
C J Bruce, D L Packer, M Belohlavek, J B Seward
Intracardiac echocardiography, defined as ultra-sonographic navigation and visualization within large blood-filled cavities or vessels of the cardio-vascular system, has recently undergone refinement as a clinical tool through technologic advances in transducer miniaturization. Intra-cardiac ultra-sound catheters image at lower frequencies than current conventional intravascular ultrasound catheters used for intracoronary imaging. The lower imaging frequency enables greater tissue penetration, permitting whole-heart evaluation from a right-sided catheter position...
August 2000: Journal of the American Society of Echocardiography
R R Quinn, P W Pflugfelder, W J Kostuk, D R Boughner
OBJECTIVE: To review the development of intracoronary ultrasound, its current utility and the impetus for its continued development as a coronary imaging modality. DATA SOURCES: English-language literature (1966 to 1999) was searched in the MEDLINE database with the key words 'ultra- sound', 'intravascular' and 'intracoronary', and limited to human studies. In addition, an online public access catalogue was searched using the subject headings 'cardiovascular diseases - therapy', 'heart diseases' and 'vascular diseases'...
July 2000: Canadian Journal of Cardiology
Hijazi, Ahmad, Geggel, Marx
Precise delineation of the size and shape of the ductus arteriosus may help in catheter closure. The use of Intravascular Ultra Sound (IVUS) to study the diameter of patent ductus arteriosus (PDA) has not been reported. We prospectively evaluated the use of IVUS and compared it to angiography in determining the size and shape of PDA and to assess the degree of coil protrusion into the descending aorta and the clinical relevance after coil closure. Twenty-six patients (17 female, 9 male) underwent transcatheter closure of PDA using single or multiple Gianturco coils...
June 1998: Journal of Invasive Cardiology
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