Results 121 to 130 of about 12,568 (284)

Self-sensing with hollow cylindrical transducers for histotripsy enhanced aspiration mechanical thrombectomy applications [PDF]

arXiv
To address existing challenges with intravascular mechanical thrombectomy devices, a novel ultrasound-enhanced aspiration approach is being developed to mechanically degrade clots using cavitation. This method employs standing waves within a mm-scale hollow cylindrical transducer to generate high pressures sufficient to perform histotripsy on clots ...
arxiv  

Clinical Potential of Intravascular Ultrasound for Physiological Assessment of Coronary Stenosis [PDF]

, 1999
Atsushi Takagi, Yukio Tsurumi, Yasuhiro Ishii, Kazuhito Suzuki, Masatoshi Kawana, Hiroshi Kasanuki   +5 more
openalex   +1 more source

Comparison of intrauterine transfusion techniques in hemolytic disease of the fetus and newborn

Ultrasound in Obstetrics &Gynecology, EarlyView.
ABSTRACT Objectives Intrauterine transfusions (IUTs) are the cornerstone in treatment for hemolytic disease of the fetus and newborn (HDFN). It has been suggested that a non‐vascular intraperitoneal blood transfusion used in conjunction with an intravascular IUT can slow the decrease in fetal hemoglobin (Hb) levels, potentially extending the interval ...
R. M. van 't Oever, V. M. van Duijn, F. Slaghekke, M. C. Haak, D. P. de Winter, E. Lopriore, M. de Haas, S. Le Cessie, E. J. T. Verweij   +8 more
wiley   +1 more source

Utility of optical coherence tomography and intravascular ultrasound for the evaluation of coronary lesions

Revista Portuguesa de Cardiologia, 2013
Optical coherence tomography (OCT) and intravascular ultrasound (IVUS) are imaging methods used in the diagnosis of coronary lesions. IVUS is widely used in interventional cardiology laboratories, but OCT is now increasingly used.
Agustín Girassolli, Sebastián Carrizo, Santiago Jiménez-Valero, Angel Sánchez Recalde, Juan Ruiz García, Guillermo Galeotte, Raúl Moreno   +6 more
doaj  

Existence, Uniqueness, and Numerical Solutions of the Nonlinear Periodic Westervelt Equation [PDF]

arXiv
In this paper, we study the nonlinear periodic Westervelt equation with excitations located within a bounded domain in $\mathbb{R}^d$, where $d \in \{2,3\}$, subject to Robin boundary conditions. This problem is of particular interest for advancing imaging techniques %in invasive ultrasound, such as intravascular ultrasound imaging.
arxiv  

Arterial wall characteristics determined by intravascular ultrasound imaging: An in vitro study

, 1989
Elma J. Gussenhoven, C. E. Essed, Charles T. Lancée, Frits Mastik, Peter Frietman, Frans C. van Egmond, J. H. C. Reiber, Hans G. Bosch, Hero van Urk, Jos R.T.C. Roelandt, N. Bom   +10 more
openalex   +1 more source

Long-Term Follow-Up After Percutaneous Transluminal Coronary Angioplasty Was Not Performed Based on Intravascular Ultrasound Findings [PDF]

, 1999
Alexandre Abizaid, Gary S. Mintz, Roxana Mehran, Alexandre Abizaid, Alexandra J. Lansky, Augusto D. Pichard, Lowell F. Satler, Hongsheng Wu, Chrysoula Pappas, Kenneth M. Kent, Martin B. Leon   +10 more
openalex   +1 more source

Percutaneous Intraductal Ultrasonography Guided Biliary Reconstruction: Single-Stage Management of Indeterminate Biliary Obstruction and Intrastent Stenosis

Journal of Clinical Interventional Radiology ISVIR
Percutaneous transhepatic cholangiography is a useful imaging technique during biliary evaluation and interventions. However, contrast cholangiography alone provides limited information on the nature, quality, or severity of potentially treatable biliary
Jeffrey Qiu, John J. Park
doaj   +1 more source

Functional significance of arterial stenoses predicted by angiography and intravascular ultrasound imaging catheter

, 1990
Masahito Moriuchi, Jonathan M. Tobis, Ian L. Gordon, Avi Bergman, James F. Griffith, Walter L. Henry   +5 more
openalex   +1 more source

Spontaneous haemoperitoneum secondary to mast cell neoplasia and presumed splenic abscess rupture in a cat

Veterinary Record Case Reports, EarlyView.
Abstract A geriatric feline was presented to a university teaching hospital for lethargy and inappetence. The patient was subsequently diagnosed with spontaneous haemoperitoneum secondary to rupture of a splenic mass and was taken to surgery for splenectomy following appropriate stabilisation measures.
Jenna Collins, Nyssa Levy, Tuddow Thaiwong‐Nebelung   +2 more
wiley   +1 more source