Search Results - "Kilzer, Karen"

Correlation between quantitative angiographic lesion severity and myocardial contrast intensity during a continuous infusion of perfluorocarbon-containing microbubbles by Porter, T, Li, S, Kilzer, K, Deligonul, U

“…The purpose of this study was to determine whether quantitative measurements of myocardial videointensity (MVI) during continuous intravenous infusions of…”
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Biological response to Bard Clamshell Septal Occluders in the canine heart by Kuhn, M A, Latson, L A, Cheatham, J P, McManus, B, Anderson, J M, Kilzer, K L, Furst, J

“…The Clamshell Septal Occluder has been used to close various congenital heart defects. The purpose of this study was to evaluate the long-term biological…”
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Noninvasive identification of acute myocardial ischemia and reperfusion with contrast ultrasound using intravenous perfluoropropane-exposed sonicated dextrose albumin by Porter, Thomas R., Xie, Feng, Kricsfeld, Alan, Kilzer, Karen

“…The purpose of this study was to determine whether intravenous dextrose albumin sonicated with a commonly used gas of low blood solubility and diffusivity…”
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Intravenous perfluoropropane-exposed sonicated dextrose albumin produces myocardial ultrasound contrast that correlates with coronary blood flow by Porter, T R, Xie, F, Kilzer, K

“…If microbubble gas blood solubility and diffusivity are reduced, the persistence (and hence ultrasound reflectivity) of the microbubble in blood is prolonged…”
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Detection of myocardial perfusion abnormalities during dobutamine and adenosine stress echocardiography with transient myocardial contrast imaging after minute quantities of intravenous perfluorocarbon-exposed sonicated dextrose albumin by Porter, T R, Xie, F, Kilzer, K, Deligonul, U

“…We have recently discovered that if ultrasound transmission is briefly suspended (triggered to just one frame per cardiac cycle) after very small doses of…”
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Effect of Significant Two-Vessel Versus One-Vessel Coronary Artery Stenosis on Myocardial Contrast Defects Observed With Intermittent Harmonic Imaging After Intravenous Contrast Injection During Dobutamine Stress Echocardiography by Porter, Thomas R, Li, Shouping, Kilzer, Karen, Deligonul, Ubeydullah

“…Objectives. We sought to determine the effect of multivessel as opposed to single-vessel coronary artery stenosis on myocardial contrast defects observed with…”
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Transient response imaging with intravenous perfluorocarbon-exposed sonicated dextrose albumin defects the spatial extent of ischemia during dobutamine stress echocardiography by Porter, Thomas, Xie, Feng, Kilzer, Karen, Deligonul, Ubeydullah

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Smaller intravenous perfluorocarbon-containing microbubbles produce greater myocardial contrast with intermittent harmonic imaging and better delineation of risk area during acute myocardial ischemia by Porter, T R, Li, S, Kilzer, K

“…The purpose of this article was to determine whether applying negative or positive pressure to perfluorocarbon-containing microbubbles before intravenous…”
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703-2 Detection of Regional Perfusion Abnormalities During Adenosine Stress Echocardiography Using Intravenous Perfluoropropane-enhanced Sonicated Dextrose Albumin by Kricsfeld, Alan, Porter, Thomas, Kilzer, Karen, Deligonul, Ubeydullah, Xie, Feng

“…Altering sonicated dextrose albumin microbubble gas diffusivity and solubility with perfluoropropane results in microbubbles which produce myocardial contrast…”
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955-60 Echocardiographic Detection of Residual Coronary Flow Abnormalities and Stenosis Severity After Coronary Reperfusion Using Intravenous Perfluoropropane-enhanced Sonicated Dextrose Albumin by Porter, Thomas, Xie, Feng, Kilzer, Karen, Kricsfeld, Alan, Deligonul, Ubeydullah

“…The degreeof reperfusion achieved following intravenous (IV) thrombolysis is an important factor in patient prognosis, and rapid non-invasive identification of…”
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971-54 A Non-invasive Method of Visually Assessing Renal Perfusion Using a Newly Developed Intravenous Ultrasound Contrast by Porter, Thomas R., Xie, Feng, Kilzer, Karen L.

“…Present methods of quantifying renal artery blood flow (RABF) in renovascular disease require either radionuclide techniques or invasive delivery of…”
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Reduction in left ventricular cavitary attenuation and improvement in posterior myocardial contrast with higher molecular weight intravenous perfluorocarbon-exposed sonicated dextrose albumin microbubbles by Porter, T R, Xie, F, Kricsfeld, A, Deligonul, U, Kilzer, K

“…Although intravenous perfluoropropane-exposed sonicated dextrose albumin (C3SDA) produces myocardial contrast, the posterior myocardium cannot be visualized…”
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921-74 Biological Response to Appropriately Placed Bard Clamshell Septal Occluder Devices in the Canine Heart by Kuhn, Micheal, Latson, Larry, Cheatham, John, McManus, Bruce, Anderson, James, Kilzer, Karen, Furst, Joseph

“…The Bard Clamshell Septal Occluder Device has been used to close various congenital defects. Little is known about the long term biological response to device…”
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Effect of a Residual Stenosis by Quantitative Angiography on the Myocardial Contrast Defect Observed Following Coronary Reperfusion Using Intermittent Harmonic Ultrasound Imaging and Intravenous Perfluorocarbon Ultrasound Contrast by PORTER, THOMAS R., LI, SHOUPING, KILZER, KAREN, DELIGONUL, UBEYDULLAH

“…Intermittent harmonic imaging following intravenously injected perfluorocarbon‐containing microbubbles can detect myocardial perfusion abnormalities caused by…”
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Endocarditis risk of the USCI PDA umbrella for transcatheter closure of patent ductus arteriosus by LATSON, L. A, MCMANUS, B. M, DOER, C, KILZER, K, CHEATHAM, J. P

“…The USCI PDA Umbrella is a device to close patent ductus arteriosus (PDA) by a transcatheter technique. Human clinical trials have shown excellent efficacy in…”
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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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A new steroid-eluting epicardial lead: experience with atrial and ventricular implantation in the immature swine by Kugler, J D, Fetter, J, Fleming, W, Kilzer, K, Stoehr, D, Felix, G, Radio, S

“…The first study with investigational steroid epicardial leads was carried out in mature canine with prototype leads. Because the demand for epicardial leads is…”
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New angiographic agents with less fibrillatory propensity by Wolf, G L, Mulry, C S, Kilzer, K, Laski, P A

“…Coronary angiography with Renografin-76 (meglumine sodium diatrizoate, Squibb) lowers the ventricular fibrillation threshold (VFT) significantly and in a…”
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Contrast agents lower ventricular fibrillation threshold by Wolf, G L, Kraft, L, Kilzer, K

“…Ventricular fibrillation thresholds were measured in anesthetized, closed-chest dogs during the injection of Renografin 76 or Conray 400 into the left coronary…”
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The influence of contrast media additives upon ventricular fibrillation thresholds during coronary angiography in ischemic and normal canine hearts by Wolf, G L, Le Veen, R F, Mulry, C, Kilzer, K

“…Contrast media additives that bind calcium lower the total dose necessary to induce fibrillation. The method of measuring ventricular fibrillation threshold…”
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