Stuart J. Hutchison

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Thoracic Aortic Frontier: Review of Current Applications and Directions of Thoracic Endovascular Aortic Repair (TEVAR)

Jehangir J. Appoo, Leonard W. Tse, Zlatko I. Pozeg, Jason K. Wong, more

Canadian Journal of Cardiology > 2014 > 30 > 1 > 52-63

Thoracic endovascular aortic repair, a minimally invasive technique is replacing the maximally invasive gold standard of thoracotomy and replacement of the descending thoracic aorta. With experience, indications have expanded to encroach on the arch and even ascending aorta. This review highlights the current state of technology, discusses controversies, and takes the perspective of a forward-thinking...

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Mitral stenosis and cardiogenic shock from an obstructive abscess of the mitral annulus

Jeremy Kobulnik, Stuart J. Hutchison

Canadian Journal of Cardiology > 2008 > 24 > 4 > e22-e24

A 48-year-old female hemodialysis patient with Gram-positive mitral endocarditis developed progressive hemodynamic collapse. Echocardiography revealed a mitral annular abscess, which expanded rapidly due to connection with and pressure from the left ventricle. The mitral annular abscess had enlarged sufficiently to obstruct the mitral orifice, resulting in acute cardiogenic shock. The patient underwent...

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Saphenous Vein Graft Aneurysm Masquerading as a Left Atrial Mass: Diagnosis by Contrast Transesophageal Echocardiography

Jeremy Kobulnik, Stuart J. Hutchison, Howard Leong-Poi

Journal of the American Society of Echocardiography > 2007 > 20 > 12 > 1414.e1-1414.e4

We describe the first reported case of a saphenous vein graft aneurysm mimicking a left atrial (LA) mass on echocardiographic imaging in a 62-year-old man 22 years after coronary bypass surgery. On presentation with worsening angina, a transthoracic echocardiogram revealed a LA mass. Coronary angiography showed severe native coronary artery and graft disease. The saphenous vein graft to the first...

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Frequency of and Inappropriate Treatment of Misdiagnosis of Acute Aortic Dissection

Mark S. Hansen, Gustavo J. Nogareda, Stuart J. Hutchison

The American Journal of Cardiology > 2007 > 99 > 6 > 852-856

Acute aortic syndrome (AAS) comprises acute aortic dissection, intramural hematoma, and penetrating ulcer of the aorta. The importance of accurate, rapid diagnosis and intervention for AAS is underscored by its clinical and epidemiologic overlap with acute coronary syndrome and by the risks of inappropriate treatment with antithrombotic agents. To explore these concerns, the recognition, management,...

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Impact of Radial Artery Cannulation for Coronary Angiography and Angioplasty on Radial Artery Function

Jason M. Burstein, Dominica Gidrewicz, Stuart J. Hutchison, Kate Holmes, more

The American Journal of Cardiology > 2007 > 99 > 4 > 457-459

The radial artery is commonly used as a conduit in coronary artery bypass grafting. No data exist on the effects of radial sheath insertion on radial artery function. Because many patients considered for coronary artery bypass grafting have had previous radial procedures, it is important to understand any effects radial sheath insertion may have on radial artery function. Twenty-two patients who underwent...

article

Cardiac encasement by metastatic myxoid liposarcoma

Douglas S. Lee, Maja Barnard, Michael R. Freeman, Stuart J. Hutchison, more

Cardiovascular Pathology > 2002 > 11 > 6 > 322-325

Isolated cardiac metastasis from a primary liposarcoma of noncardiac origin is a rare occurrence. A patient who presented with biventricular failure and constrictive hemodynamics years after successful resection of a primary liposarcoma of the thigh is described. Extensive cardiac encasement by tumor was suspected on diagnostic imaging. Hemodynamic instability and multiorgan failure necessitated urgent...

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Echocardiographic assessment of coronary blood flow velocity during controlled hypotensive anesthesia with nitroglycerin

Maged S. Mikhail, Duraiyah Thangathurai, Kartik B. Thaker, Stuart J. Hutchison, more

Journal of Cardiothoracic and Vascular Anesthesia > 2000 > 14 > 5 > 565-570

Objective: To determine the effect of nitroglycerin on coronary blood flow velocity during controlled hypotensive anesthesia in humans. Design: Internally controlled prospective study. Setting: Single university hospital. Participants: Twenty American Society of Anesthesiologists class I and II patients undergoing general anesthesia for surgical resection of a malignancy. Interventions: General anesthesia...

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In-utero and neonatal exposure to secondhand smoke causes vascular dysfunction in newborn rats

Stuart J Hutchison, Stanton A Glantz, Bo-Qing Zhu, Yi-Ping Sun, more

Journal of the American College of Cardiology > 1998 > 32 > 5 > 1463-1467

Objectives. We sought to determine the effects of secondhand smoke (SHS) exposure on vascular reactivity in newborn and infant rats.Background. Secondhand smoke exposure increases cardiovascular risk. Secondhand smoke–induced endothelial dysfunction has been demonstrated in older teenagers and young adults. We have previously shown in adult rabbits that SHS induces atherogenesis and endothelial dysfunction...

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Effects of Second-Hand Smoke and Gender on Infarct Size of Young Rats Exposed In Utero and in the Neonatal to Adolescent Period 11All editorial decisions for this article, including selection of referees, were made by a Guest Editor. This policy applies to all articles with authors from the University of California San Francisco.

Bo-Qing Zhu, Yi-Ping Sun, Krishnankutty Sudhir, Richard E. Sievers, more

Journal of the American College of Cardiology > 1997 > 30 > 7 > 1878-1885

Objectives. We sought to assess the effects of second-hand smoke (SHS) and gender on infarct size in young rats exposed in utero or in the neonatal to adolescent period, or both.Background. We previously demonstrated that exposure to SHS increases infarct size in a rat model of ischemia and reperfusion, with a dose-response relation. These results are consistent with epidemiologic studies demonstrating...

article

Endothelial dysfunction in a man with disruptive mutation in oestrogen-receptor gene

Krishnankutty Sudhir, Tony M Chou, Louis M Messina, Stuart J Hutchison, more

The Lancet > 1997 > 349 > 9059 > 1146-1147

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Testosterone Worsens Endothelial Dysfunction Associated With Hypercholesterolemia and Environmental Tobacco Smoke Exposure in Male Rabbit Aorta 11All editorial decisions for this article, including selection of referees, were made by a Guest Editor. This policy applies to all articles with authors from the University of California San Francisco.

Stuart J Hutchison, Krishnankutty Sudhir, Tony M Chou, Richard E Sievers, more

Journal of the American College of Cardiology > 1997 > 29 > 4 > 800-807

Objectives. To assess the effects of interaction of sex hormones, hypercholesterolemia (HC) and environmental tobacco smoke (ETS) exposure on endothelium-dependent relaxation, we examined vascular reactivity in vitro in an animal model of atherogenesis.Background. Animal and human studies indicate the presence of interactions between classic coronary artery disease risk factors and endothelium-dependent...

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Determination of coronary flow measurements by transesophageal echocardiography: Dependence of flow velocity reserve on the location of stenosis

Stuart J. Hutchison, Stephen J. Soldo, Sameh Gadallah, David T. Kawanishi, more

American Heart Journal > 1997 > 133 > 1 > 44-52

Doppler velocimetry with the use of transesophageal echocardiography can record flow in the proximal left anterior descending artery (LAD). To assess whether this limited sampling ability influences the recording of velocity and the calculation of coronary flow reserve (CFR), 32 patients with LAD stenosis (4 ostial stenoses, 18 proximal stenoses, 10 mid-LAD stenoses) and 33 patients with arteriographically...

article

Transesophageal assessment of coronary flow velocity reserve during ''regular'' and ''high''-dose dipyridamole stress testing

Stuart J. Hutchison, Albert Shen, Stephen Soldo, Aung Hla, more

The American Journal of Cardiology > 1996 > 77 > 14 > 1164-1168

To assess the effect of regular and high-dose dipyridamole on coronary flow velocity in the left anterior descending artery (LAD), and to determine whether assessment of coronary flow velocity reserve (CVFR) is more sensitive for detection of ischemia than standard echocardiographic criteria, 47 patients were studied prospectively: 16 patients with stenosis of the LAD, 18 patients with angiographically...

article

Experimental Fetal Transesophageal and Intracardiac Echocardiography Utilizing Intravascular Ultrasound Technology

Thomas Kohl, Zoltan Szabo, Karen J. VanderWall, Stuart J. Hutchison, more

The American Journal of Cardiology > 1996 > 77 > 10 > 899-903

article

Vitamin E Restores Impaired Acetylcholine-Mediated Vasodilatation Secondary to Environmental Tobacco Smoke

Tony M. Chou, Stuart J. Hutchison, Severin P. Schwarzacher, Krishnankutty Sudhir, more

Journal of the American College of Cardiology > 1996 > 27 > 2 Supplement 1; Supplement A > 39A

Environmental tobacco smoke (ETS) impairs endothelium-dependent vasodilation in vitro. This study investigated effects of ETS on acetylcholine (Ach)-mediated blood pressure (BP) changes in vivo. 17 New Zealand white rabbits were fed a cholesterol diet (0.3%) for 10 weeks (Chol). 7 animals served as diet controls (nonETS) and 10 (ETS) were exposed to ETS for 6 hours/day. In addition, 4 nonETS and...

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L-Arginine Restores Normal Endothelium-Mediated Relaxation in Hypercholesterolemic Rabbits Exposed to Tobacco Smoke

Stuart J. Hutchison, Michael Ibarra, Tony M. Chou, Richard E. Sievers, more

Journal of the American College of Cardiology > 1996 > 27 > 2 Supplement 1; Supplement A > 39A

Hypercholesterolemia (HC) and tobacco smoke are associated with impaired endothelium-mediated relaxation. L-Arginine (L-Arg) has been shown to protect against endothelial dysfunction secondary to HC. We sought to investigate whether L-Arg would protect against endothelial dysfunction secondary to environmental tobacco smoke-exposure (ETS) in an animal model of atherosclerosis. Aortic rings of male...

article

Testosterone, but not Estradiol, Attenuates Acetylcholine-Induced Relaxation of Tobacco Smoke-Exposed Hypercholesterolemic Rabbit Aorta

Stuart J. Hutchison, Tony M. Chou, Richard E. Sievers, Krishnankutty Sudhir, more

Journal of the American College of Cardiology > 1996 > 27 > 2 Supplement 1; Supplement A > 40A

Environmental tobacco smoke (ETS) exposure increases risk of coronary disease. Estradiol (E) and testosterone (T) have been demonstrated to have vasodilatory effects, and estradiol has been shown to favorably modulate endothelium-dependent relaxation. To assess the effect of acute E and T exposure on acetylcholine (ACh) induced vasorelaxation, aortic rings from 8 New Zealand white rabbits, rendered...

article

L-Arginine restores normal endothelium-mediated relaxation in hypercholesterolemic rabbits exposed to tobacco smoke

Stuart J. Hutchison, Michael Ibarra, Tony M. Chou, Richard E. Sievers, more

Journal of the American College of Cardiology > 1996 > 27 > 2(S1) > 39

article

Testosterone, but not estradiol, attenuates acetyicholine-induced relaxation of tobacco smoke-exposed hypercholesterolemic rabbit aorta

Stuart J. Hutchison, Tony M. Chou, Richard E. Sievers, Krishnankutty Sudhir, more

Journal of the American College of Cardiology > 1996 > 27 > 2(S1) > 40

article

Vitamin E restores impaired acetyicholine-mediated vasodilatation secondary to environmental tobacco smoke

Tony M. Chou, Stuart J. Hutchison, Severin P. Schwarzacher, Krishnankutty Sudhir, more

Journal of the American College of Cardiology > 1996 > 27 > 2(S1) > 39

INFONA - science communication portal

Search results for: Stuart J. Hutchison

Thoracic Aortic Frontier: Review of Current Applications and Directions of Thoracic Endovascular Aortic Repair (TEVAR)

Mitral stenosis and cardiogenic shock from an obstructive abscess of the mitral annulus

Saphenous Vein Graft Aneurysm Masquerading as a Left Atrial Mass: Diagnosis by Contrast Transesophageal Echocardiography

Frequency of and Inappropriate Treatment of Misdiagnosis of Acute Aortic Dissection

Impact of Radial Artery Cannulation for Coronary Angiography and Angioplasty on Radial Artery Function

Cardiac encasement by metastatic myxoid liposarcoma

Echocardiographic assessment of coronary blood flow velocity during controlled hypotensive anesthesia with nitroglycerin

In-utero and neonatal exposure to secondhand smoke causes vascular dysfunction in newborn rats

Endothelial dysfunction in a man with disruptive mutation in oestrogen-receptor gene

Determination of coronary flow measurements by transesophageal echocardiography: Dependence of flow velocity reserve on the location of stenosis

Transesophageal assessment of coronary flow velocity reserve during ''regular'' and ''high''-dose dipyridamole stress testing

Experimental Fetal Transesophageal and Intracardiac Echocardiography Utilizing Intravascular Ultrasound Technology

Vitamin E Restores Impaired Acetylcholine-Mediated Vasodilatation Secondary to Environmental Tobacco Smoke

L-Arginine Restores Normal Endothelium-Mediated Relaxation in Hypercholesterolemic Rabbits Exposed to Tobacco Smoke

Testosterone, but not Estradiol, Attenuates Acetylcholine-Induced Relaxation of Tobacco Smoke-Exposed Hypercholesterolemic Rabbit Aorta

L-Arginine restores normal endothelium-mediated relaxation in hypercholesterolemic rabbits exposed to tobacco smoke

Testosterone, but not estradiol, attenuates acetyicholine-induced relaxation of tobacco smoke-exposed hypercholesterolemic rabbit aorta

Vitamin E restores impaired acetyicholine-mediated vasodilatation secondary to environmental tobacco smoke

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