Search Results - "Kricsfeld, D."

Effectiveness of transcranial and transthoracic ultrasound and microbubbles in dissolving intravascular thrombi by Porter, T. R, Kricsfeld, D, Lof, J, Everbach, E. C, Xie, F

“…To examine the effectiveness of 1 ‐MHz and 40‐kHz ultrasound with and without microbubbles in fragmenting thrombi in attenuated conditions. First, an vitro…”
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Effect of blood and microbubble oxygen and nitrogen content on perfluorocarbon-filled dextrose albumin microbubble size and efficacy: in vitro and in vivo studies by Porter, T, Kricsfeld, D, Cheatham, S, Li, S

“…We hypothesized, on the basis of in vitro observations, that a higher oxygen partial pressure within perfluorocarbon-containing microbubbles (PCMB) would…”
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Effect of transducer standoff on the detection, spatial extent, and quantification of myocardial contrast defects caused by coronary stenoses by Porter, T R, Xie, F, Li, S, Kricsfeld, D, Deligonul, U

“…Intermittent harmonic imaging during a continuous infusion of microbubbles may be able to quantify myocardial perfusion abnormalities. Measurements of the…”
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Real-time perfusion imaging with low mechanical index pulse inversion Doppler imaging by Porter, Thomas R, Xie, Feng, Silver, Mary, Kricsfeld, David, O’Leary, Edward

“…OBJECTIVES We sought to determine how successful pulse inversion Doppler (PID) imaging would be in detecting myocardial perfusion defects during dobutamine…”
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Real-time assessment of myocardial perfusion and wall motion during bicycle and treadmill exercise echocardiography: comparison with single photon emission computed tomography by Shimoni, Sarah, Zoghbi, William A, Xie, Feng, Kricsfeld, David, Iskander, Sherif, Gobar, Lisa, Mikati, Issam A, Abukhalil, John, Verani, Mario S, O’Leary, Edward L, Porter, Thomas R

“…OBJECTIVES We sought to determine the feasibility and accuracy of real-time imaging of myocardial contrast echocardiography (MCE) in detecting myocardial…”
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Improved myocardial contrast with second harmonic transient ultrasound response imaging in humans using intravenous perfluorocarbon-exposed sonicated dextrose albumin by Porter, Thomas R., Xie, Feng, Kricsfeld, David, Armbruster, Robert W.

“…Objectives. The objectives of this study were to determine whether a new method of ultrasound imaging (transient response imaging) could improve the myocardial…”
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Detection of Myocardial Perfusion in Multiple Echocardiographic Windows With One Intravenous Injection of Microbubbles Using Transient Response Second Harmonic Imaging by Porter, Thomas R., Li, Shouping, Kricsfeld, David, Armbruster, Robert W.

“…Objectives. The purpose of this study was to prove that transient response harmonic imaging could detect normal and abnormal myocardial perfusion in multiple…”
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Noninvasive in vivo clot dissolution without a thrombolytic drug: Recanalization of thrombosed iliofemoral arteries by transcutaneous ultrasound combined with intravenous infusion of microbubbles by BIRBAUM, Y, LUO, H, NAGAI, T, FISHBEIN, M. C, PETERSON, T. M, LI, S, KRICSFELD, D, PORTER, T. R, SIEGEL, R. J

“…Previous in vivo studies have shown that microbubbles not only enhance the effectiveness of thrombolytic agents in the presence of ultrasound but may also…”
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Detection of angiographically significant coronary artery disease with accelerated intermittent imaging after intravenous administration of ultrasound contrast material by Cwajg, Jucyléa, Xie, Feng, O'Leary, Edward, Kricsfeld, David, Dittrich, Howard, Porter, Thomas R.

“…Background Accelerated intermittent harmonic imaging (AII) is used to detect myocardial perfusion abnormalities after intravenous injection of ultrasound…”
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Inhibition of carotid artery neointimal formation with intravenous microbubbles by Porter, T R, Hiser, W L, Kricsfeld, D, Deligonul, U, Xie, F, Iversen, P, Radio, S

“…Because therapeutic gene products such as synthetic antisense oligodeoxynucleotides (ODN) bind to albumin-coated microbubbles, we sought to determine whether…”
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Myocardial cavitational activity during continuous infusion and bolus intravenous injections of perfluorocarbon-containing microbubbles by Porter, T R, Everbach, C, Kricsfeld, D, Xie, F

“…The 20-MHz component of broadband noise from inertial cavitation within the anterior myocardium of an open-chest dog was recorded during intravenous infusions…”
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Comparison of D-dimer activity and residual particle size produced following thrombus disruption by perfluorocarbon containing microbubbles versus urokinase in the presence of low frequency ultrasound by Porter, T., Kricsfeld, D., Li, S., Bronich, T.

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The effect of ultrasound frame rate on perfluorocarbon-exposed sonicated dextrose albumin microbubble size and concentration when insonifying at different flow rates, transducer frequencies, and acoustic outputs by Porter, T R, Kricsfeld, D, Cheatham, S, Li, S

“…The purpose of this article was to compare the effects of 1 and 30 Hz frame rates on perfluorocarbon-exposed sonicated dextrose albumin microbubble size and…”
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Myocardial perfusion abnormalities during low-dose dobutamine after coronary reperfusion can be demonstrated with intravenous perfluorocarbon-exposed sonicated dextrose albumin ultrasound contrast by Porter, Thomas R., Xie, Feng, Kricsfeld, Alan, Deligonul, Ubeydullah, Kilzer, Karen, Kricsfeld, David

“…We measured background-subtracted peak myocardial videointensity (PMVI) in the left anterior descending and left circumflex perfusion zones in open-chest dogs…”
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