T. H. Marwick

Assessment of temporal heterogeneity and regional motion to identify wall motion abnormalities using treadmill exercise stress three-dimensional echocardiography (2009)

Jenkins, C., Haluska, B., Marwick, T. H.

Background: Exercise 3-dimensional echocardiography (3DE) may avoid the problem of poorly matched pre- and post-exercise 2-dimensional echocardiograms (2DE), and contraction front mapping (CFM) may...

Left ventricular volume measurement with echocardiography: A comparison of left ventricular opacification, three-dimensional echocardiography, or both with magnetic resonance imaging (2009)

Jenkins, C., Moir, S., Chan, J., Rakhit, D., Haluska, B., Marwick, T. H.

Aims: Both contrast enhanced (CE) two-dimensional echocardiography (2DE) and three-dimensional echocardiography (3DE) have been proposed as techniques to improve the accuracy of left ventricular (LV)...

Hype and hope in the use of echocardiography for selection for cardiac resynchronization therapy: the Tower of Babel revisited (2008)

Marwick, T. H.

Incremental benefit of strain rate imaging to the accuracy of novice and expert interpreters of dobutamine stress echocardiography (2007)

Hanekom, L., Mai, N., Hare, J., Dauber, K., Harker, J., Marwick, T.H.

Background: Dobutamine stress echo (DbE) is accurate for the detection of coronary artery disease (CAD), but interpretation is subjective and accuracy is dependent on observer experience. Strain rate...

Characteristics of left ventricular diastolic dysfunction in the community: an echocardiographic survey (2006)

Abhayaratna, W. P., Marwick, T. H., Smith, W. T., Becker, N. G.

Objective: To determine the prevalence and predictors of left ventricular (LV) diastolic dysfunction in older adults. Design, setting and participants: A cross-sectional survey of 1275 randomly...

733 Have tissue Doppler parameters improved on conventional echocardiographic parameters for sequential evaluation of LV function? (2006)

Hare, J.L., Brown, J., Marwick, T.H.

744 Crop till you drop - Defining the learning curve for 3D echocardiography (2006)

Jenkins, C., Monaghan, M.J., Shirali, G., Marwick, T.H.

1044 Subclinical right ventricular dysfunction in patients with right coronary territory ischaemia. Findings of strain rate imaging at dobutamine stress echocardiography (2006)

Mai, N., Marwick, T.H.

1148 Subclinical pulmonary vascular changes occur without pulmonary hypertension or right ventricular dysfunction in moderate to severe chronic obstructive pulmonary disease (2006)

Mai, N., Garske, L., Marwick, T.H.

228 Incremental benefit of SRI to the accuracy of novice and expert interpreters of dobutamine stress echocardiography (2006)

Hanekom, L., Mai, N.V., Hare, J., Dauber, K., Harker, J., Marwick, T.H.

157 Alteration of left ventricular mechanics in subendocardial infarction: assessment by strain rate imaging (2005)

Chan, J., Du, L., Leano, R., Marwick, T.H.

178 Left ventricular volume and viability but not transmural extent of scar determine LV remodeling and exercise capacity responses to revascularization and medical therapy in patients with LV dysfunction (2005)

Marwick, T.H., Chan, J., Hanekom, L, Nelson, C., Strudwick, M.

854 Comparison of real-time 3D echocardiography and tissue Doppler for identifying and locating mechanical delay dyssynchrony: is it all in the eye of the beholder? (2005)

Burgess, M.I., Chan, J., Jenkins, C., Marwick, T.H.

1071 Use of dobutamine echocardiography for cardiovascular event prediction in chronic kidney disease: clinical scoring algorithms can optimise patients selection for testing (2005)

Rakhit, D., Armstrong, K.A., Leano, R., Isbel, N.M., Marwick, T.H.

1111 Development of the diastolic stress test: non-invasive assessment of left ventricular filling pressure post-exercise (2005)

Burgess, M.I., Jenkins, C., Cho, G.Y, Sharman, J., Marwick, T.H.

1110 Is the mechanism of the delayed relaxation pattern of left ventricular filling diastolic dysfunction or diastolic dyssynchrony? (2005)

Burgess, M.I., Fang, B., Marwick, T.H.

1205 Prediction of mortality using strain rate in dobutamine stress echocardiography (2005)

Bjork Ingul, C., Rozis, E., Marwick, T.H.

341 Measurement of ventricular volumes or dyssynchrony for prediction of survival in ischemic cardiomyopathy? (2005)

Burgess, M.I., Rozis, E., Marwick, T.H.

425 Response of subclinical myocardial dysfunction in diabetes mellitus to lifestyle modification (2005)

Marwick, T.H., Zhang, N., Sharman, J., Hordern, M., Smith, L., Prins, J.

680 Myocardial Doppler parameters add incremental benefit over clinical and standard echo parameters in predicting outcome in chronic kidney disease (2005)

Rakhit, D., Isbel, N.M., Marwick, T.H.

681 Myocardial tissue characterization in chronic kidney disease is not influenced by aggressive risk factor modification (2005)

Rakhil, D., Leano, R., Isbel, N.M., Marwick, T.H.

2D strain - a new approach to strain and strain rate: the solution to the angle-dependence of tissue Doppler? (2004)

Hanekom, L., Jeffriess, L., Haluska, B., Marwick, T.H.

Real-time 3D echo increases feasibility of sequential echo follow-up in the real world - Reduction of test-retest variation of LV parameters (2003)

Jenkins, C., Wylie, B., Bricknell, K., Fang, Z.Y., Leano, R. L., Marwick, T. H.

Clinical and economic impact of exercise electrocardiography and exercise echocardiography in clinical practice (2003)

Marwick, T.H., Shaw, L., Case, C., Vasey, C., Thomas, J.D.

Background Patients with known or suspected coronary disease are often investigated to facilitate risk assessment. We sought to examine the cost-effectiveness of strategies based on exercise...

An intensive computer-based interactive training program improves interpretation of dobutamine stress echocardiography (2003)

Choy, S., Marwick, T. H.

Objectives: This study aimed to evaluate the effect of an intensive computerbased interactive training course on accuracy of interpretation of dobutamine stress echocardiography (SE). Methods: 27...

Spatial and temporal resolution influences the results and signal quality of strain rate imaging during dobutamine echocardiography (2003)

Lundberg, V., Hanekom, L., Berg, S., Marwick, T. H.

No abstract

Refinements in stress echocardiographic techniques improve inter-institutional agreement in interpretation of dobutamine stress echocardiograms (2002)

Hoffmann, R., Marwick, T.H., Poldermans, D., Lethen, H., Ciani, R., ...

Aims To determine the degree of inter-institutional agreement in the assessment of dobutamine stress echocardiograms using modern stress echocardiographic technology in combination with standardized...

Quantitative Techniques for Stress Echocardiography: Dream or Reality? (2002)

Marwick, T.H.

Stress echocardiography is now an everyday clinical tool. However, the substantial evidence base that supports its use is largely derived from expert centres, and concerns have been expressed about...

Revascularization improves left ventricular volumes in patients with reduced ejection fractions independent of extent of viability (2001)

Khoury, V., Haluska, B. A., Marwick, T. H.

Use of stress echocardiography to predict death in diabetic patients (2001)

Marwick, T. H., Case, C., Thomas, J. E., Sawada, S., Vasey, C.

Cost-effectiveness of Stress Echocardiography for Assessment of Coronary Artery Disease: What we Know and What we Need to Know (2000)

Marwick, T.H.

Aims: This review explores the balance between the incremental data supplied by stress echocardiography and its cost. This technique is now established as an accurate tool for the diagnosis of...

The Balance Between Speed and Efficacy in Stress Echocardiography: is Earlier Use of Atropine the Answer? (2000)

Marwick, T.H.

Application of Stress Echocardiography to the Evaluation of Non-coronary Heart Disease (2000)

Marwick, T.H.

Stress echocardiography is accepted as a routine test in patients with coronary artery disease for the identification of myocardial ischaemia, the diagnosis of viable myocardium and assessment of...

Prediction of global left ventricular function after bypass surgery in patients with severe left ventricular dysfunction. Impact of pre-operative myocardial function, perfusion, and metabolism (2000)

Pasquet, A., Lauer, M.S., Williams, M.J., Lytle, B., Marwick, T.H.

Aims Previous studies have compared the accuracy of various tests of viability for the prediction of recovery of regional left ventricular function; global left ventricular recovery has been less...

Adenosine echocardiography in the diagnosis of coronary artery disease (1997)

Marwick, T. H.

Adenosine is a naturally occurring vasodilator which has been used for the induction of maximal coronary hyperaemia in the cardiac catheterization laboratory and in conjunction with myocardial...

Should the diagnosis of coronary artery disease be based on the evaluation of myocardial function or perfusion? (1997)

Geleijnse, M. L., Salustri, A., Marwick, T. H., Fioretti, P. M.

The aim of this review was to define the place of stress (exercise, dobutamine, and vasodilator) echocardiography in the context of perfusion scintigraphic techniques for the detection of coronary...

Use of stress echocardiography for the prognostic assessment of patients with stable chronic coronary artery disease (1997)

Marwick, T. H.

Stress echocardiography has become an established tool for the diagnosis of coronary artery disease. However, in the current era of attention to cost effectiveness, the ability of a non-invasive test...

Optimal pharmacological stress testing for the diagnosis of coronary artery disease: a probabilistic approach (1995)

Geleijnse, M. L., Marwick, T. H., Boersma, E., Deckers, J. W., Melin, J. A., Fioretti, P. M.

Previous reports have suggested that dobutamine stress echocardiography compares favourably with other stress agent-imaging modality combinations for the detection of coronary artery disease....

Myocardial perfusion imaging with positron emission tomography and single photon emission computed tomography: frequency and causes of disparate results (1991)

MARWICK, T. H., GO, R. T., MACINTYRE, W. J., SAHA, G. B., UNDERWOOD, D. A.

The purpose of this study was to compare rubidium-82 PET with thallium-201 SPECT imaging in 150 patients. Both techniques followed a single dipyridamole-handgrip stress, and images were displayed...

Myocardial perfusion imaging with positron emission tomography and single photon emission computed tomography: frequency and causes of disparate results (1991)

MARWICK, T. H., GO, R. T., MACINTYRE, W. J., SAHA, G. B., UNDERWOOD, D. A.

The purpose of this study was to compare rubidium-82 PET with thallium-201 SPECT imaging in 150 patients. Both techniques followed a single dipyridamole-handgrip stress, and images were displayed...

Left ventricular hypertrophy sensitizes the myocardium to the development of ischaemia (1990)

Salcedo, E. E., Marwick, T. H., Korzick, D. H., Goormastic, H., Go, R. T.

To evaluate the effects of left ventricular hypertrophy in the development of myocardial ischaemia as detected by thallium-201 exercise scintigraphy, we studied 150 patients by two-dimensional...

Characteristics of left ventricular diastolic dysfunction in the community: an echocardiographic survey

Abhayaratna, W P, Marwick, T H, Smith, W T, Becker, N G

Relationship between myocardial perfusion and dysfunction in diabetic cardiomyopathy: a study of quantitative contrast echocardiography and strain rate imaging

Moir, S, Hanekom, L, Fang, Z‐Y, Haluska, B, Wong, C, Burgess, M, ...

Effect of aggressive risk factor modification on cardiac events and myocardial ischaemia in patients with chronic kidney disease

Rakhit, D J, Marwick, T H, Armstrong, K A, Johnson, D W, Leano, R