C Ratnatunga

Medicine · Health Sciences

21h-index4.2kcitations89works0.02yr avg
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Research Topics

Nitric Oxide and Endothelin Effects(38), Cardiovascular Function and Risk Factors(11), Myasthenia Gravis and Thymoma(8), Hormonal Regulation and Hypertension(8), Atrial Fibrillation Management and Outcomes(7)

Publications88 total

Incidence and clinical implications of intraoperative bilateral internal thoracic artery graft conversion: Insights from the Arterial Revascularization Trial
Journal of Thoracic and Cardiovascular Surgery·2018· 32 citedOpen Access
Can Peripheral Blood T Lymphocyte Activation Profiles Differentiate Viral From Bacterial Infection During Acute Exacerbations of Copd (Aecopd)
Queensland's institutional digital repository (The University of Queensland)·2016
Corrosive acid injury of the stomach
Ceylon Medical Journal·2015· 8 citedOpen Access
Risk factors for mediastinitis following cardiac surgery: the importance of managing obesity
Journal of Hospital Infection·2014· 48 cited
35. Evolution from NHS Heart Valve Bank to University Hospital Ovarian Tissue bank to Oxford Biomedical Research Centre Biorepository Biobank
Cryobiology·2013
D: A DYSTROPHIN-DEPENDENT LOSS OF NEURONAL NITRIC OXIDE SYNTHASE IN ATRIAL FIBRILLATION (AF) PROMOTES ELECTRICALREMODELLING AND CREATES A SUBSTRATE FOR THE MAINTENANCE OF AF
Heart·2013Open Access
Systemic and Vascular Oxidation Limits the Efficacy of Oral Tetrahydrobiopterin Treatment in Patients With Coronary Artery Disease
Circulation·2012· 161 citedOpen Access
PET-diagnosed lead infection in ARVC
European Heart Journal - Cardiovascular Imaging·2012
Energetic and Functional Abnormalities in Human Heart Failure are Associated with Increased Ventricular and Skeletal Muscle Mitochondrial Uncoupling Protein-3 Levels
Oxford University Research Archive (ORA) (University of Oxford)·2011
Oral Atorvastatin Treatment Improves NO Bioavailability and Vascular Redox State in the Human Arterial Wall, via a Tetrahydrobiopterin-Mediated Improvement of eNOS Coupling
Oxford University Research Archive (ORA) (University of Oxford)·2011· 4 cited
Feasibility of percutaneous implantation of transapical endocardial left ventricular pacing electrode for cardiac resynchronization therapy
EP Europace·2011· 22 citedOpen Access
RAPID, DIRECT EFFECTS OF STATIN TREATMENT ON ARTERIAL REDOX STATE AND NITRIC OXIDE BIOAVAILABILITY IN HUMAN ATHEROSCLEROSIS VIA TETRAHYDROBIOPTERIN-MEDIATED ENOS COUPLING
Journal of the American College of Cardiology·2011· 1 cited
Mitochondrial uncoupling proteins and energetics in human heart and skeletal muscle
Oxford University Research Archive (ORA) (University of Oxford)·2011
B Chronic oral tetrahydrobiopterin treatment in patients with coronary artery disease elevates total biopterin levels but does not improve biopterin redox status or vascular function: a randomised placebo-controlled trial
2010· 1 cited
CHRONIC ORAL TETRAHYDROBIOPTERIN TREATMENT IN PATIENTS WITH CORONARY ARTERY DISEASE ELEVATES TOTAL BIOPTERIN LEVELS BUT DOES NOT IMPROVE BIOPTERIN REDOX STATUS OR VASCULAR FUNCTION: A RANDOMISED PLACEBO-CONTROLLED TRIAL
Oxford University Research Archive (ORA) (University of Oxford)·2010
<i>MTHFR</i> 677 C&gt;T Polymorphism Reveals Functional Importance for 5-Methyltetrahydrofolate, Not Homocysteine, in Regulation of Vascular Redox State and Endothelial Function in Human Atherosclerosis
Circulation·2009· 144 citedOpen Access
Association of plasma asymmetrical dimethylarginine (ADMA) with elevated vascular superoxide production and endothelial nitric oxide synthase uncoupling: implications for endothelial function in human atherosclerosis
European Heart Journal·2009· 252 citedOpen Access
Genetic Polymorphism On Methyl-Tetrahydrofolate-Reductase Affects Vascular Superoxide Generation and Nitric Oxide Bioavailability By Regulating eNOS Coupling in Human Arteries and Veins
Oxford University Research Archive (ORA) (University of Oxford)·2009
Aortic leaflet replacement with the ATS 3f valve: Early results and implantation technique
Heart Lung and Circulation·2009· 1 cited
Massive intrapericardial fibroma presenting with palpitations
BMJ Case Reports·2009Open Access
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Frequent Co-authors

Keith M. Channon(33), Ravi Pillai(23), Charalambos Antoniades(17), Cheerag Shirodaria(16), Tomasz J. Guzik(12), Christodoulos Stefanadis(9), Nick E.J. West(8), Dimitris Tousoulis(8), Stefan Neubauer(7), Colin Cunnington(7), Denise McDonald(6), Hassan Kattach(6), Barbara Casadei(6), Helga Refsum(6), P Leeson(6), R Pillai(6), Edward Black(5), Paul Leeson(5), Alexios S. Antonopoulos(5), N Warrick(4)