Search Results - "Choong, Christopher Y.P."

Refining Thromboembolic Risk Prediction in Non-Valvular Atrial Fibrillation with Echocardiography: A Call to Arms by Choong, Christopher Y.P., MBBChir(Cantab), PhD

Get full text

Analysis of the early transmitral doppler velocity curve: Effect of primary physiologic changes and compensatory preload adjustment by Thomas, James D., Choong, Christopher Y.P., Flachskampf, Frank A., Weyman, Arthur E.

“…Left ventricular filling (as assessed by Doppler echocardiography) has previously been shown to depend in a complex fashion on ventricular diastolic function…”
Get full text

The incidence of cardiac complications in patients hospitalised with COVID‐19 in Australia: the AUS‐COVID study by Bhatia, Kunwardeep S, Gaal, William, Kritharides, Leonard, Chow, Clara K, Bhindi, Ravinay, Allahwala, Usaid, Chia, Justin, Choong, Christopher YP, Chui, Karina, Ciofani, Jonathan, Delaney, Anthony, Harris, Benjamin, Hudson, Bernard, Kanagaratnam, Logan, Kotsiou, George, Nour, Daniel, Sritharan, Hari Prakash, Bhagwandeen, Rohan, Brieger, David B, Yong, Andy, Dwivedi, Girish, Hillis, Graham, Kandadai, Dhanvee, Javorsky, George, Jepson, Nigel, Lee, Astin, Lo, Sidney TH, MacIsaac, Andrew I, McQuillan, Brendan M, Ranasinghe, Isuru, Vasanthakumar, Sheran, Walton, Antony, Weaver, James, Jayadeva, Pavithra, Wilson, William, Zhu, John

Get full text

Cardiac Complications in Patients Hospitalised With COVID-19 in Australia by Bhatia, Kunwardeep S., Sritharan, Hari P., Chia, Justin, Ciofani, Jonathan, Nour, Daniel, Chui, Karina, Vasanthakumar, Sheran, Jayadeva, Pavithra, Kandadai, Dhanvee, Allahwala, Usaid, Bhagwandeen, Rohan, Brieger, David B., Choong, Christopher Y.P., Delaney, Anthony, Dwivedi, Girish, Harris, Benjamin, Hillis, Graham, Hudson, Bernard, Javorsky, George, Jepson, Nigel, Kanagaratnam, Logan, Kotsiou, George, Lee, Astin, Lo, Sidney T.H., MacIsaac, Andrew I., McQuillan, Brendan M., Ranasinghe, Isuru, Walton, Antony, Weaver, James, Wilson, William, Yong, Andy, Zhu, John, van Gaal, William, Kritharides, Leonard, Chow, Clara, Bhindi, Ravinay

“…Describe the incidence of cardiac complications in patients admitted to hospital with COVID-19 in Australia. Observational cohort study. Twenty-one (21)…”
Get full text

Hemodynamic and metabolic basis of impaired exercise tolerance in patients with severe left ventricular dysfunction by Roubin, Gary S., Anderson, Sandra D., Shen, Wei Feng, Choong, Christopher Y.P., Alwyn, Megan, Hillery, Simon, Harris, Phillip J., Kelly, David T.

“…Hemodynamic and metabolic changes were measured at rest and during exercise in 23 patients with chronic heart failure and in 6 control subjects. Exercise was…”
Get full text

Pharmacologic abolition of severe mitral regurgitation associated with dynamic left ventricular outflow tract obstruction after mitral valve repair: confirmation by transesophageal echocardiography by Webster, P J, Raper, R F, Ross, D E, Edwards, A C, Choong, C Y

Get more information

Left ventricular volume and ejection fraction response to exercise in chronic congestive heart failure: Difference between dilated cardiomyopathy and previous myocardial infarction by Shen, Wei Feng, Roubin, Gary S., Hirasawa, Kunihiko, Choong, Christopher Y-P., Hutton, Brian F., Harris, Phillip J., Fletcher, Peter J., Kelly, David T.

“…To determine if cause influences the left ventricular (LV) volume and ejection fraction (EF) response to exercise, 24 patients with chronic congestive heart…”
Get full text

Antianginal effects of nitroglycerin during exercise-induced angina: Hemodynamic and left ventricular function changes related to indexes of myocardial oxygen consumption by Choong, Christopher Y.P., Roubin, Gary S., Bautovich, George J., Harris, Phillip J., Kelly, David T.

“…In 14 patients during exercise, intravenous nitroglycerin improved anginal threshold and increased workload compared with control subjects. At similar…”
Get full text

Comparison of the effects of nifedipine and nitroglycerin on hemodynamic determinants of myocardial oxygen consumption and supply during exertional angina by Choong, C Y, Freedman, S B, Roubin, G S, Shen, W F, Bautovich, G J, Harris, P J, Kelly, D T

“…To investigate the antianginal action of nitroglycerin and nifedipine, systemic and right heart pressures, cardiac output, oxygen consumption, and radionuclide…”
Get more information

The reproducibility of nongeometric analysis of cardiac output and left ventricular volume by radionuclide angiography by Jeremy, R, Tokuyasu, Y, Choong, C Y, Bautovich, G, Hutton, B F, Shen, W F, Kelly, D T, Harris, P J

“…This study examines the reproducibility of individual radionuclide attenuation factors used in the calculation of cardiac output and left ventricular volume by…”
Get more information

Effects of nifedipine on arterial oxygenation at rest and during exercise in patients with stable angina by Choong, Christopher Y.P., Roubin, Gary S., Shen, Wei Feng, Harris, Phillip J., Anderson, Sandra D., Kelly, David T.

“…The effects of nifedipine on arterial oxygenation and hemodynamics were studied at rest and during bicycle exercise in 12 men (mean age 55 years, range 41 to…”
Get full text

The effect of high-dose intravenous nitroglycerin on cardiovascular hemodynamic features and left ventricular function at rest and during exercise in patients with exertional angina by Harris, Phillip J., Roubin, Gary S., Sadick, Norman N., Choong, Christopher Y.-P., Bautovich, George, Kelly, David T.

“…Intravascular pressures, cardiac output and left ventricular function were measured at rest and during exercise in 14 patients with stable angina pectoris…”
Get full text

Comparison of effects of isometric and supine bicycle exercise on left ventricular performance in patients with aortic regurgitation and normal ejection fraction at rest by Shen, W F, Fletcher, P J, Roubin, G S, Choong, C Y, Hutton, B F, Harris, P J, Kelly, D T

“…The effects of handgrip and supine bicycle exercise on hemodynamics and left ventricular (LV) performance were compared in 25 patients with moderate to severe…”
Get more information

A comparison of the effects of beta-blockers with and without intrinsic sympathomimetic activity on hemodynamics and left ventricular function at rest and during exercise in patients with coronary artery disease by Choong, C Y, Roubin, G S, Harris, P J, Tokuyasu, Y, Shen, W F, Bautovich, G J, Kelly, D T

“…The effects on hemodynamics and left ventricular function of propranolol and pindolol, beta-blockers without and with intrinsic sympathomimetic activity (ISA),…”
Get more information

Effects of upright and supine position on cardiac rest and exercise response in aortic regurgitation by Shen, Wei Feng, Roubin, Gary S., Fletcher, Peter J., Choong, Christopher Y-P., Hutton, Brian F., Harris, Phillip J., Kelly, David T.

“…The effects of upright and supine position on cardiac response to exercise were assessed by radionuclide ventriculography in 15 patients with moderate to…”
Get full text

Radionuclide determination of right and left ventricular stroke volumes by Shen, W F, Roubin, G S, Uren, R F, Hutton, B F, Choong, C Y, Harris, P J, Fletcher, P J, Kelly, D T

“…The relationship between radionuclide and thermodilution measurement of stroke volumes (SV) was investigated in 30 patients without valvular regurgitation or…”
Get full text