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List of works by Ralph Stewart

2028 Localisation of regurgitant defects by cardiac magnetic resonance imaging in patients with mitral valve prolapse

2212Body mass index and its association to cardiovascular outcomes in patients with stable coronary heart disease - experiences from the STABILITY study ⬇️

scholarly article

A Multi-feature Reproducibility Assessment of Mass Spectral Data in Clinical Proteomic Studies

scholarly article

A booklet on participants' rights to improve consent for clinical research: a randomized trial

scientific article

A mHealth cardiac rehabilitation exercise intervention: findings from content development studies.

scientific article

A mobile phone intervention increases physical activity in people with cardiovascular disease: Results from the HEART randomized controlled trial.

scientific article

A randomized trial evaluating the effects of change in dairy food consumption on cardio-metabolic risk factors.

scientific article published on 17 June 2013

A randomized trial of the aldosterone-receptor antagonist eplerenone in asymptomatic moderate-severe aortic stenosis

scientific article published on 4 June 2008

A simulation of warfarin maintenance dose requirement using a pharmacogenetic algorithm in an ethnically diverse cohort

scientific article published on 01 May 2010

A17826 Cuff blood pressure is progressively more biased with increasing age

article

Acceptability of a mobile health exercise-based cardiac rehabilitation intervention: a randomized trial.

scientific article published on 15 July 2015

Accuracy of Cuff-Measured Blood Pressure: Systematic Reviews and Meta-Analyses

scientific article

Altered Dairy Protein Intake Does Not Alter Circulatory Branched Chain Amino Acids in Healthy Adults: A Randomized Controlled Trial

scientific article published on 15 October 2018

Apolipoprotein B, Residual Cardiovascular Risk After Acute Coronary Syndrome, and Effects of Alirocumab

scientific article published in 2022

Association of contemporary sensitive troponin I levels at baseline and change at 1 year with long-term coronary events following myocardial infarction or unstable angina: results from the LIPID Study (Long-Term Intervention With Pravastatin in Isch

scientific article published on 30 October 2013

Associations between plasma natriuretic peptide levels, symptoms, and left ventricular function in patients with chronic aortic regurgitation

scientific article published in September 2003

Associations between tooth loss and prognostic biomarkers and the risk for cardiovascular events in patients with stable coronary heart disease

scientific article

Bias in the evaluation of effects of statins on mortality in patients with heart failure

scientific article published on 23 May 2014

Bioengineering silicon quantum dot theranostics using a network analysis of metabolomic and proteomic data in cardiac ischemia

scientific article

Biomarker-Based Risk Model to Predict Cardiovascular Mortality in Patients With Stable Coronary Disease

scientific article published on August 2017

Biomarkers in stable coronary heart disease, their modulation and cardiovascular risk: The LIPID biomarker study

scientific article

Broader indications for B-type natriuretic peptide testing in coronary artery disease

scientific article published on 17 December 2004

Cardiometabolic risk factors in vegans; A meta-analysis of observational studies

scientific article published in PLoS ONE

Cardiovascular and Lifestyle Risk Factors and Cognitive Function in Patients With Stable Coronary Heart Disease

Changes in high sensitivity troponin T in incident haemodialysis patients

scientific article published on 18 November 2016

Changes in lipoprotein-Associated phospholipase A2 activity predict coronary events and partly account for the treatment effect of pravastatin: results from the Long-Term Intervention with Pravastatin in Ischemic Disease study

scientific article published on 23 October 2013

Changes in mitral annular geometry and dynamics with ß-blockade in patients with degenerative mitral valve disease

scientific article

Characterization of cardiovascular clinical events and impact of event adjudication on the treatment effect of darapladib versus placebo in patients with stable coronary heart disease: Insights from the STABILITY trial

scientific article published on 07 November 2018

Clinical diagnosis and outcomes for Troponin T ‘positive’ patients assessed by a high sensitivity compared with a 4th generation assay ⬇️

scientific article published on June 23, 2011

Clinical trials in heart valve disease

scientific article published on July 2009

Clinical trials of direct thrombin and factor Xa inhibitors in atrial fibrillation ⬇️

scientific article published on July 1, 2011

Comparison of Atrial and Brain Natriuretic Peptide for the Assessment of Mitral Stenosis

scientific article published on 19 May 2011

Comparison of Risk Scores for Prediction of Complications following Aortic Valve Replacement

scientific article published on 12 December 2014

Comparison of effects of losartan and metoprolol on left ventricular and aortic function at rest and during exercise in chronic aortic regurgitation

scientific article published on 8 November 2017

Comparison of four contemporary risk models at predicting mortality after aortic valve replacement

scientific article published on 19 April 2014

Comparison of four risk scores for contemporary isolated coronary artery bypass grafting

scientific article published on 11 December 2013

Complex valve disease: pre-surgical functional capacity evaluation using peak oxygen consumption

scientific article published in September 2009

Complimentary roles for N-terminal pro-B-type natriuretic peptide and spirometry to assess functional capacity in patients with complex mixed heart valve disease

scientific article published in January 2010

Computers, confounding, clusters, consent, cost, COVID and consultation: how the Health and Disability Code impedes the learning health system

scientific article published on 25 September 2020

Contributions of randomized clinical outcome trials to a major cardiology meeting

scientific article published on 5 August 2016

Coronary artery ectasia: local pathology or diffuse disease?

scientific article published on 01 October 1994

Coronary artery flow ten weeks after myocardial infarction or unstable angina: effects of combined warfarin and aspirin therapy.

scientific article

Coronary sinus and ascending aortic levels of aldosterone, angiotensin II, and B-type natriuretic peptide in patients with aortic stenosis and in patients with coronary heart disease

scientific article published on 20 February 2006

Cuff blood pressure is progressively more biased with increasing age: individual participant level analysis from the inspect consortium

article

Cutaneous blood-filled vesicles on idraparinux.

scientific article published in December 2008

D-Dimer Predicts Long-Term Cause-Specific Mortality, Cardiovascular Events, and Cancer in Patients With Stable Coronary Heart Disease

scientific article published on 01 August 2018

Darapladib for Preventing Ischemic Events in Stable Coronary Heart Disease

article

Depression and cardiovascular morbidity and mortality: cause or consequence? ⬇️

scientific article published on November 1, 2003

Design and Conduct of The New Zealand Oxygen Therapy in Acute Coronary Syndromes Trial

scholarly article

Diagnosis of MI after CABG with high-sensitivity troponin T and new ECG or echocardiogram changes: relationship with mortality and validation of the universal definition of MI.

scientific article published on 05 August 2013

Dietary patterns and the risk of major adverse cardiovascular events in a global study of high-risk patients with stable coronary heart disease

scientific article published on 24 April 2016

Differences in cardiovascular mortality between Australia and New Zealand according to socioeconomic status: findings from the Long-Term Intervention with Pravastatin in Ischaemic Disease (LIPID) Study.

scientific article

Do risk factors for cardiovascular disease also increase the risk of frailty?

scientific article published on 5 February 2015

Early ST-segment recovery, infarct artery blood flow, and long-term outcome after acute myocardial infarction

scientific article published on 01 February 2002

Effect of aortic valve replacement on c-reactive protein in nonrheumatic aortic stenosis

scientific article published on 01 November 2003

Effect of six months' exercise training on C-reactive protein levels in healthy elderly subjects

scientific article published on 1 December 2004

Effects and costs of real-time cardiac telerehabilitation: randomised controlled non-inferiority trial

scientific article published on 27 August 2018

Effects of exercise training on 5 inflammatory markers associated with cardiovascular risk

scientific article published on February 2006

Effects of high and low fat dairy food on cardio-metabolic risk factors: a meta-analysis of randomized studies

scientific article

Elevated B-type natriuretic peptide despite normal left ventricular function on rest and exercise stress echocardiography in mitral regurgitation

scientific article published on 17 January 2008

End Users Want Alternative Intervention Delivery Models: Usability and Acceptability of the REMOTE-CR Exercise-Based Cardiac Telerehabilitation Program

scientific article published on 02 August 2018

Eosinophilia and coronary artery vasospasm

scientific article published on 21 August 2008

Evaluation of a novel sphygmomanometer, which estimates central aortic blood pressure from analysis of brachial artery suprasystolic pressure waves ⬇️

scientific article published on September 1, 2012

Exercise capacity and mortality in patients with ischemic left ventricular dysfunction randomized to coronary artery bypass graft surgery or medical therapy: an analysis from the STICH trial (Surgical Treatment for Ischemic Heart Failure).

scientific article

Exercise stress echocardiography in patients with valvular heart disease

scientific article published on 6 July 2015

First-in-human use of the OneShot™ renal denervation system from Covidien

scientific article published on January 22, 2013

Frequency of recurrent ST-elevation myocardial infarction after fibrinolytic therapy in a different territory as a manifestation of multiple unstable coronary arterial plaques

scientific article published on 13 February 2006

Growth Differentiation Factor 15 Predicts All-Cause Morbidity and Mortality in Stable Coronary Heart Disease

scientific article

HEART: heart exercise and remote technologies: a randomized controlled trial study protocol.

scientific article

Higher mortality in women undergoing coronary artery bypass grafting

scientific article published on 13 December 2013

How simple mistakes and short-term bias elevate cardiovascular risk

Importance of angina in patients with coronary disease, heart failure, and left ventricular systolic dysfunction: insights from STICH.

scientific article

Importance of frailty in patients with cardiovascular disease

scientific article

Improving coronary heart disease self-management using mobile technologies (Text4Heart): a randomised controlled trial protocol.

scientific article

Improving the informed consent process--a booklet on participants' rights in medical research

scientific article published on September 21, 2012

In patients with stable coronary heart disease, low-density lipoprotein-cholesterol levels < 70 mg/dL and glycosylated hemoglobin A1c < 7% are associated with lower major cardiovascular events

scientific article published on 18 April 2020

Increased B-type natriuretic peptide is associated with an abnormal blood pressure response to exercise in asymptomatic aortic stenosis

scientific article published on 20 February 2008

Increased myocardial ischemia after food is not explained by endothelial dysfunction

scientific article published on 01 November 2002

Increased plasma natriuretic peptide levels reflect symptom onset in aortic stenosis

scientific article published on 31 March 2003

Increasing Evidence for an Association Between Periodontitis and Cardiovascular Disease

scientific article published on 13 January 2016

Inflammation, atherosclerosis and predicting cardiovascular risk

scientific article published on 11 October 2002

Inflammatory Biomarkers Interleukin-6 and C-Reactive Protein and Outcomes in Stable Coronary Heart Disease: Experiences From the STABILITY (Stabilization of Atherosclerotic Plaque by Initiation of Darapladib Therapy) Trial

scientific article published on 24 October 2017

Influence of heart rate on stroke volume variability in atrial fibrillation in patients with normal and impaired left ventricular function

scientific article published on 01 December 1998

Initial Q waves accompanying ST-segment elevation at presentation of acute myocardial infarction and 30-day mortality in patients given streptokinase therapy: an analysis from HERO-2

scientific article (publication date: 24 June 2006)

Interleukin 6 and Cardiovascular Outcomes in Patients With Chronic Kidney Disease and Chronic Coronary Syndrome

scientific article published in December 2021

Is it time to stop treating dyslipidaemia with fibrates?

scientific article (publication date: 7 September 2007)

Lack of association between baseline plasma homocysteine concentrations and restenosis rates after a first elective percutaneous coronary intervention without stenting.

scientific article published on November 2004

Lack of relationship between obesity and mortality or morbidity after coronary artery bypass grafting

scientific article published on 22 November 2013

Left ventricular morphology and response to beta-adrenergic stimulation in apical ballooning syndrome ⬇️

scientific article published on December 30, 2011

Left ventricular systolic and diastolic function assessed by tissue Doppler imaging and outcome in asymptomatic aortic stenosis

scientific article published on 31 May 2010

Left ventricular thrombus after ST segment elevation myocardial infarction: a single-centre observational study

scientific article published on 04 December 2020

Lipoprotein-Associated Phospholipase A2 Activity Is a Marker of Risk But Not a Useful Target for Treatment in Patients With Stable Coronary Heart Disease

scientific article published on 21 June 2016

Living longer by sitting less and moving more.

scientific article

Long-Term Effectiveness and Safety of Pravastatin in Patients With Coronary Heart Disease: Sixteen Years of Follow-Up of the LIPID Study

scientific article published on 25 March 2016

Long-term assessment of psychological well-being in a randomized placebo-controlled trial of cholesterol reduction with pravastatin. The LIPID Study Investigators

scientific article published on 01 November 2000

Longitudinal left ventricular contractile dysfunction after exercise in aortic stenosis

scientific article

Longitudinal study of a 9p21.3 SNP using a national electronic healthcare database

article

MRI phase contrast velocity and flow errors in turbulent stenotic jets

scientific article

Maintaining confidentiality of interim data to enhance trial integrity and credibility

scientific article

Management of Coronary Disease in Patients with Advanced Kidney Disease

scientific article published on 01 September 2020

Maori have worse outcomes after coronary artery bypass grafting than Europeans in New Zealand

scientific article

Mapping of mitral regurgitant defects by cardiovascular magnetic resonance in moderate or severe mitral regurgitation secondary to mitral valve prolapse

scientific article

Medical treatment of asymptomatic chronic aortic regurgitation

scientific article published on September 2011

Meta-Analysis of Bleeding Scores Performance for Acute Coronary Syndrome

scientific article published on 09 June 2020

More flexible approaches are needed to improve cardiac rehabilitation

scientific article published on 27 May 2016

New ST-depression: an under-recognized high-risk category of 'complete' ST-resolution after reperfusion therapy

scientific article published on September 2012

Non-adherence to medication and cardiovascular risk

scientific article published on 23 September 2011

Novel anticoagulants in patients with mechanical heart valves

scientific article

Novel methods to assess heart valve disease

scientific article published on November 2008

P3640Association of ceramide and phospholipid levels and cardiovascular events in stable coronary heart disease: findings from the STABILITY Biomarkers substudy ⬇️

scholarly article

Patients with prolonged ischemic chest pain and presumed-new left bundle branch block have heterogeneous outcomes depending on the presence of ST-segment changes

scientific article published in July 2005

Percutaneous coronary intervention with bivalirudin anticoagulation, immediate sheath removal, and early ambulation: a feasibility study with implications for day-stay procedures

scientific article published in March 2002

Periodontal disease in patients with chronic coronary heart disease: Prevalence and association with cardiovascular risk factors

scientific article published on 10 April 2014

Persistent psychological distress and mortality in patients with stable coronary artery disease

scientific article published on 26 June 2017

Physical Activity and Mortality in Patients With Stable Coronary Heart Disease

scientific article

Physical activity and mortality in patients with stable coronary heart disease

scientific article published on 01 November 2018

Physical activity in patients with stable coronary heart disease: an international perspective

scientific article published on 06 September 2013

Pilot study to assess the influence of beta-blockade on mitral regurgitant volume and left ventricular work in degenerative mitral valve disease

scientific article published on 25 August 2008

Plasma brain natriuretic peptide concentrations in patients with valvular heart disease

scientific article

Plasma natriuretic peptide levels increase with symptoms and severity of mitral regurgitation

scientific article published in June 2003

Predicting benefit from statins by C-reactive protein, LDL-cholesterol or absolute cardiovascular risk

scientific article published on May 2009

Prediction of Residual Risk by Ceramide-Phospholipid Score in Patients With Stable Coronary Heart Disease on Optimal Medical Therapy

scientific article published on 07 May 2020

Predictors of Waitlist, Operative, and Late Mortality for Patients Undergoing Aortic Stenosis Interventions

scholarly article

Predictors of incident heart failure in patients after an acute coronary syndrome: The LIPID heart failure risk-prediction model

scientific article

Prognostic differences between different types of bundle branch block during the early phase of acute myocardial infarction: insights from the Hirulog and Early Reperfusion or Occlusion (HERO)-2 trial

scientific article published on 3 November 2005

Prognostic modelling of clinical outcomes after first-time acute coronary syndrome in New Zealand

scientific article published on 14 February 2023

Prognostic value and long-term variation of high sensitivity troponin T in clinically stable haemodialysis patients

scientific article published on 12 September 2014

Prognostic value of lead V1 ST elevation during acute inferior myocardial infarction

scientific article published on 19 July 2010

Progression of the culprit lesion in unstable coronary artery disease with warfarin and aspirin versus aspirin alone: preliminary study.

scientific article

Prospective evaluation of a chest pain pathway at Green Lane Hospital

scientific article published on 26 July 2002

Psychosocial stress and major cardiovascular events in patients with stable coronary heart disease

scientific article

Real-time aortic pulse wave velocity measurement during exercise stress testing

scientific article

Recurrent focal cardio-myocyte necrosis in severe aortic regurgitation ⬇️

scientific article published on 05 February 2011

Reducing the lifetime cardiovascular risk of New Zealanders

scientific article published on 7 September 2007

Relationship between QRS duration and left ventricular mass and volume in patients at high cardiovascular risk

scientific article published on 11 August 2011

Relationship between lipid levels and clinical outcomes in the Long-term Intervention with Pravastatin in Ischemic Disease (LIPID) Trial: to what extent is the reduction in coronary events with pravastatin explained by on-study lipid levels?

scientific article published in March 2002

Relationship of QRS duration at baseline and changes over 60 min after fibrinolysis to 30-day mortality with different locations of ST elevation myocardial infarction: results from the Hirulog and Early Reperfusion or Occlusion-2 trial

scientific article

Renal denervation for resistant hypertension using an irrigated radiofrequency balloon: 12-month results from the Renal Hypertension Ablation System (RHAS) trial

scientific article published on May 20, 2013

Reply: the latest generation of troponin immunoassays: the "cholesterol" of the third millennium?

scientific article published on 30 April 2014

Response to NZMJ editorial by Dr Elana Curtis entitled Deserving of more: framing of Māori inequities in cardiovascular care remain a challenge

scientific article published on 13 September 2013

Response to the letter from Korn et al

Risk Markers of Incident Atrial Fibrillation in Patients with Coronary Heart Disease

scientific article published on 02 January 2021

Risk stratification of patients with acute anterior myocardial infarction and right bundle-branch block: importance of QRS duration and early ST-segment resolution after fibrinolytic therapy

scientific article published on 14 August 2006

Safety and efficacy of apixaban in the treatment of atrial fibrillation ⬇️

scientific article published on July 11, 2012

Salbutamol Prescribing in Primary Care May Represent Undiagnosed Heart Failure

scholarly article published in 2018

Screening for Atrial Fibrillation During Automatic Blood Pressure Measurements

scholarly article by Andrew Lowe et al published 2018 in IEEE journal of translational engineering in health and medicine

Secondary prevention and risk factor target achievement in a global, high-risk population with established coronary heart disease: baseline results from the STABILITY study

scientific article published on 10 April 2012

Self-Reported Health and Outcomes in Patients With Stable Coronary Heart Disease

scientific article

Sex Differences in Clinical Characteristics, Psychosocial Factors, and Outcomes Among Patients With Stable Coronary Heart Disease: Insights from the STABILITY (Stabilization of Atherosclerotic Plaque by Initiation of Darapladib Therapy) Trial

scientific article published on 14 September 2017

Six-minute walk distance after coronary artery bypass grafting compared with medical therapy in ischaemic cardiomyopathy

scientific article published on 20 February 2018

Statins and n-3 fatty acids are the best lipid-lowering interventions for reducing mortality. Commentary

scientific article published on 25 July 2005

Study design and rationale for the clinical outcomes of the STABILITY Trial (STabilization of Atherosclerotic plaque By Initiation of darapLadIb TherapY) comparing darapladib versus placebo in patients with coronary heart disease

scientific article published on October 2010

Survival After Invasive or Conservative Management of Stable Coronary Disease

scientific article published in 2023

Text Message and Internet Support for Coronary Heart Disease Self-Management: Results From the Text4Heart Randomized Controlled Trial

scientific article

Text4Heart II - improving medication adherence in people with heart disease: a study protocol for a randomized controlled trial.

scientific article published on 25 January 2018

The ABC (age, biomarkers, clinical history) stroke risk score: a biomarker-based risk score for predicting stroke in atrial fibrillation

scientific article published on 25 February 2016

The All New Zealand Acute Coronary Syndrome Quality Improvement Programme: Implementation, Methodology and Cohorts (ANZACS-QI 9)

scientific article published on 5 August 2016

The HEART Mobile Phone Trial: The Partial Mediating Effects of Self-Efficacy on Physical Activity among Cardiac Patients

scientific article

The Multi-Ethnic New Zealand Study of Acute Coronary Syndromes (MENZACS): Design and Methodology

scholarly article

The Role of Lipoprotein-Associated Phospholipase A2 as a Marker and Potential Therapeutic Target in Atherosclerosis ⬇️

scientific article published on April 1, 2011

The challenge of reducing socioeconomic and ethnic differences in cardiovascular disease

scientific article published on 13 May 2011

The effects of changing dairy intake on trans and saturated fatty acid levels- results from a randomized controlled study

scientific article published on 03 April 2014

The impact of a national COVID-19 lockdown on acute coronary syndrome hospitalisations in New Zealand (ANZACS-QI 55)

scholarly article

The impact of beta-blockade on right ventricular function in mitral regurgitation.

scientific article published in November 2013

The learning health system: trial design and participant consent in comparative effectiveness research

scientific article published on 01 April 2019

The prognostic meaning of the full spectrum of aVR ST-segment changes in acute myocardial infarction

scientific article published on 19 August 2011

The remote exercise monitoring trial for exercise-based cardiac rehabilitation (REMOTE-CR): a randomised controlled trial protocol

scientific article

The role of natriuretic peptides in patients with chronic complex (mixed or multiple) heart valve disease

scientific article published in March 2010

Thrombosis on a Mechanical Aortic Valve whilst Anti-coagulated With Dabigatran ⬇️

scientific article published on September 19, 2011

Time course of "warm-up" in stable angina

scientific article published on 01 July 1995

Tooth loss is independently associated with poor outcomes in stable coronary heart disease

scientific article published on 16 December 2015

Trans-fatty acids in New Zealand patients with coronary artery disease

scientific article published on 31 January 2011

Troponin elevation during exacerbations of chronic obstructive airways disease due to stress cardiomyopathy ⬇️

scientific article published on July 3, 2012

Two optimization strategies of multi-stage design in clinical proteomic studies

scientific article

Underestimation of the effect of bleeding in clinical trials

scientific article published in October 2009

Understanding medicines with a propensity to increase the risk of heart failure: Combining existing knowledge with targeted population assessment

scientific article published on 10 July 2018

Usefulness of serial measurement of N-terminal pro-brain natriuretic peptide plasma levels in asymptomatic patients with aortic stenosis to predict symptomatic deterioration

scientific article published in April 2005

Variation in and prognostic importance of troponin T measured using a high-sensitivity assay in clinically stable haemodialysis patients

scientific article published on 7 November 2012

Variation in blood levels of inflammatory markers related and unrelated to smoking cessation in women

scientific article published in January 2007

Variations in the use of emergency PCI for the treatment of re-infarction following intravenous fibrinolytic therapy: impact on outcomes in HERO-2.

scientific article published on 11 May 2007

Ventricular rate and beat-to-beat variation of stroke volume in atrial fibrillation.

scientific article

Visit-to-visit variability of blood pressure and cardiovascular outcomes in patients with stable coronary heart disease. Insights from the STABILITY trial

scientific article

White blood cell count predicts reduction in coronary heart disease mortality with pravastatin

scientific article published on 4 April 2005

aVR ST elevation: an important but neglected sign in ST elevation acute myocardial infarction

scientific article

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