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List of works by Dennis Ko

"Upstream markers" provide for early identification of patients at high risk for myocardial necrosis and adverse outcomes

scientific article published on 3 October 2007

2007 Universal Myocardial Infarction Definition Change Criteria for Risk Stratification by Use of a High-Sensitivity Cardiac Troponin I Assay

scientific article published on 14 January 2010

A Population-Based Study to Evaluate the Effectiveness of Multidisciplinary Heart Failure Clinics and Identify Important Service Components

scientific article published on 10 December 2012

A comparison of Chinese and non-Chinese Canadian patients hospitalized with heart failure

scientific article

A population-based study of the drug interaction between proton pump inhibitors and clopidogrel

scientific article

Adverse effects of beta-blocker therapy for patients with heart failure: a quantitative overview of randomized trials

scientific article published in July 2004

Adverse effects of combination angiotensin II receptor blockers plus angiotensin-converting enzyme inhibitors for left ventricular dysfunction: a quantitative review of data from randomized clinical trials

scientific article

An early invasive strategy versus ischemia-guided management after fibrinolytic therapy for ST-segment elevation myocardial infarction: a meta-analysis of contemporary randomized controlled trials

scientific article published on 30 June 2008

Another potential marker linking gender and cardiac mortality: PAPP-A — A new marker in risk stratification for women presenting with chest pain

scientific article published on 29 July 2009

Appropriateness of spironolactone prescribing in heart failure patients: a population-based study

scientific article

Assessing the association of appropriateness of coronary revascularization and clinical outcomes for patients with stable coronary artery disease

scientific article published on 10 October 2012

Association between appropriateness of coronary revascularization and quality of life in patients with stable ischemic heart disease

scientific article

Association between hospital cardiac management and outcomes for acute myocardial infarction patients

scientific article published in February 2010

Association between lipid testing and statin therapy in acute myocardial infarction patients

scientific article published in September 2005

Association between physician follow-up and outcomes of care after chest pain assessment in high-risk patients

scientific article

Association of hospital spending intensity with mortality and readmission rates in Ontario hospitals

scientific article published in March 2012

Authors' response to Apple editorial

scientific article published on 23 January 2007

Can coronary calcification measured by CT predict future coronary events?

scientific article published on October 2005

Canada Acute Coronary Syndrome Risk Score: A new risk score for early prognostication in acute coronary syndromes

article

Comparative effectiveness of ACE inhibitors and angiotensin receptor blockers in patients with prior myocardial infarction.

scientific article

Comparative-effectiveness of revascularization versus routine medical therapy for stable ischemic heart disease: a population-based study

scientific article

Coronary artery bypass graft surgery vs percutaneous interventions in coronary revascularization: a systematic review.

scientific article

Determinants of cardiac catheterization use in older Medicare patients with acute myocardial infarction

scientific article

Determinants of variations in coronary revascularization practices ⬇️

scientific article published on December 12, 2011

Development of Systems of Care for ST-Elevation Myocardial Infarction Patients

Diabetes mellitus and cardiovascular events in older patients with myocardial infarction prescribed intensive-dose and moderate-dose statins.

scientific article published on 14 May 2013

Does Percutaneous Coronary Intervention Reduce Mortality in Patients With Stable Chronic Angina

scientific article published on 01 March 2009

Drug eluting balloons for de novo coronary lesions - a systematic review and meta-analysis

scientific article

Dual-Antithrombotic Therapy With DOACs After Acute Coronary Syndrome or Percutaneous Coronary Intervention in Atrial Fibrillation: A Meta-analysis of Randomized Controlled Trials

scientific article published on 12 November 2019

Duration of preoperative β-blockade and outcomes after major elective noncardiac surgery

scientific article published on 24 October 2013

Ecological studies and cardiovascular outcomes research

scientific article published on December 2008

Effectiveness and safety of drug-eluting stents in Ontario.

scientific article published in October 2007

Effectiveness of preprocedural statin therapy on clinical outcomes for patients with stable coronary artery disease after percutaneous coronary interventions

scientific article published on 28 June 2011

Effectiveness of public report cards for improving the quality of cardiac care: the EFFECT study: a randomized trial

scientific article

Effects of contemporary troponin assay sensitivity on the utility of the early markers myoglobin and CKMB isoforms in evaluating patients with possible acute myocardial infarction

scientific article published on 23 January 2007

Elevated C-reactive protein in acute coronary syndrome presentation is an independent predictor of long-term mortality and heart failure

scientific article published on 5 January 2007

Factors associated with the use of evidence-based therapies after discharge among elderly patients with myocardial infarction

scientific article published on October 2008

Factors explaining the under-use of reperfusion therapy among ideal patients with ST-segment elevation myocardial infarction

scientific article published on 7 June 2006

Health Outcomes Categorized by Current and Previous Definitions of Acute Myocardial Infarction in an Unselected Cohort of Troponin-Naive Emergency Department Patients

article

Hospital volume and 30-day mortality for three common medical conditions

scientific article

Impact of drug policy on regional trends in ezetimibe use

scientific article

Incidence, predictors, and prognostic implications of hospitalization for late bleeding after percutaneous coronary intervention for patients older than 65 years

scientific article published on 23 March 2010

Increasing Cardiac Troponin Changes Measured by a Research High-Sensitivity Troponin I Assay: Absolute vs Percentage Changes and Long-Term Outcomes in a Chest Pain Cohort

scientific article published on 12 October 2010

Increasing rates of angioplasty versus bypass surgery in Canada, 1994-2005.

scientific article published in November 2010

Indicators of quality of care for patients with acute myocardial infarction

scientific article published on October 2008

Is a pattern of increasing biomarker concentrations important for long-term risk stratification in acute coronary syndrome patients presenting early after the onset of symptoms?

scientific article published on April 2008

Life expectancy after an index hospitalization for patients with heart failure: a population-based study

scientific article published in February 2008

Life expectancy gains and cost-effectiveness of implantable cardioverter/defibrillators for the primary prevention of sudden cardiac death in patients with hypertrophic cardiomyopathy

scientific article published in November 2007

Long-Term Safety and Effectiveness of Drug-Eluting Stents for the Treatment of Saphenous Vein Grafts Disease

scientific article published on 01 September 2011

Long-term health outcomes associated with detectable troponin I concentrations

scientific article published on 4 January 2007

Medical therapy v. PCI in stable coronary artery disease: a cost-effectiveness analysis

scientific article

Meta-analysis: effects of percutaneous coronary intervention versus medical therapy on angina relief

scientific article

Nonsteroidal antiinflammatory drugs after acute myocardial infarction

scientific article (publication date: March 2002)

PAPP-A as a marker of increased long-term risk in patients with chest pain

scientific article published on 25 March 2009

Paclitaxel versus sirolimus stents in diabetic and nondiabetic patients

scientific article published on 5 March 2009

Patterns of use of thienopyridine therapy after percutaneous coronary interventions with drug-eluting stents and bare-metal stents

scientific article published on 22 August 2009

Percutaneous coronary intervention with vs without on-site cardiac surgery backup: a systematic review and meta-analysis

scientific article published on 05 May 2011

Practice patterns and trends in the use of medical therapy in patients undergoing percutaneous coronary intervention in Ontario

scientific article

Predicting EQ-5D utility scores from the Seattle Angina Questionnaire in coronary artery disease: a mapping algorithm using a Bayesian framework

scientific article

Predictors of normal coronary arteries at coronary angiography

scientific article published on 17 September 2013

Prevalence and Extent of Obstructive Coronary Artery Disease Among Patients Undergoing Elective Coronary Catheterization in New York State and Ontario

scientific article published in The Journal of the American Medical Association

Quality of Care of International and Canadian Medical Graduates in Acute Myocardial Infarction

article

Quality of diabetes and hyperlipidemia screening before a first myocardial infarction

scientific article published on 6 June 2013

Rate and predictors of the conversion of abstracts presented at the Canadian Cardiovascular Congress scientific meetings to full peer-reviewed publications.

scientific article

Rates and risk factors for prolonged opioid use after major surgery: population based cohort study

scientific article published on 11 February 2014

Real-world risk of cardiovascular outcomes associated with hypertriglyceridaemia among individuals with atherosclerotic cardiovascular disease and potential eligibility for emerging therapies

scientific article published on 01 January 2020

Regional Differences in Process of Care and Outcomes for Older Acute Myocardial Infarction Patients in the United States and Ontario, Canada

article

Regional Variation in Cardiac Catheterization Appropriateness and Baseline Risk After Acute Myocardial Infarction

scientific article published on 01 February 2008

Relation between cardiac troponin I and mortality in acute decompensated heart failure

article

Relationship between initial treatment strategy and quality of life in patients with coronary chronic total occlusions.

scientific article published in February 2014

Reply: To PMID 23062534.

scientific article

Reporting and representation of ethnic minorities in cardiovascular trials: a systematic review

scientific article published on 29 April 2013

Rescue percutaneous coronary interventions for failed fibrinolytic therapy in ST-segment elevation myocardial infarction: A population-based study

scientific article published on 01 April 2011

Risk Stratification for Heart Failure and Death in an Acute Coronary Syndrome Population Using Inflammatory Cytokines and N-Terminal Pro-Brain Natriuretic Peptide

scientific article published on 11 October 2007

Risk of elective major noncardiac surgery after coronary stent insertion: a population-based study.

scientific article

Risk-Treatment Mismatch in the Pharmacotherapy of Heart Failure

scientific article published in The Journal of the American Medical Association

Risks associated with statin therapy: a systematic overview of randomized clinical trials

scientific article

Safety and Effectiveness of Drug-Eluting and Bare-Metal Stents for Patients With Off- and On-Label Indications

scientific article published on 01 May 2009

Safety and effectiveness of drug-eluting stents among diabetic patients: a propensity analysis

scientific article

Short- and long-term risk stratification using a next-generation, high-sensitivity research cardiac troponin I (hs-cTnI) assay in an emergency department chest pain population

scientific article published on 13 August 2009

Socioeconomic status, functional recovery, and long-term mortality among patients surviving acute myocardial infarction

scientific article

Sodium bicarbonate-based hydration prevents contrast-induced nephropathy: a meta-analysis

scientific article

Techniques for estimating health care costs with censored data: an overview for the health services researcher

scientific article

Temporal trends in the use of percutaneous coronary intervention and coronary artery bypass surgery in New York State and Ontario.

scientific article published on 7 June 2010

The Cardiovascular Health in Ambulatory Care Research Team (CANHEART): using big data to measure and improve cardiovascular health and healthcare services.

scientific article

The average lifespan of patients discharged from hospital with heart failure

scientific article

The impact of cardiovascular disease prevalence on women's enrollment in landmark randomized cardiovascular trials: a systematic review.

scientific article published on 29 June 2011

The use of a cytokine panel to define the long-term risk stratification of heart failure/death in patients presenting with chest pain to the emergency department.

scientific article published on 10 November 2009

Use of evidence-based therapies after discharge among elderly patients with acute myocardial infarction

scientific article published on October 2008

Use of ezetimibe in the United States and Canada

scientific article published on 30 March 2008

Use of fibrates in the United States and Canada

scientific article published in March 2011

Use of niacin in the United States and Canada

scientific article published in July 2013

Validity of the GRACE (Global Registry of Acute Coronary Events) acute coronary syndrome prediction model for six month post-discharge death in an independent data set.

scientific article published on 30 December 2005

Vascular versus myocardial dysfunction in acute coronary syndrome: are the adhesion molecules as powerful as NT-proBNP for long-term risk stratification?

scientific article published on 27 December 2007

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