Christopher A. Rajkumar

St Mary's Hospital, Praed Street
London, ENG, United Kingdom

Last Updated: 09/26/2026

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Found 67 publications

Determining the Physiological Threshold for Angina (ORBITA-FIRE): A Double-Blind, Randomized, Placebo-Controlled Study.

Determining the Physiological Threshold for Angina (ORBITA-FIRE): A Double-Blind, Randomized, Placebo-Controlled Study.

Journal: Circulation
Published: May 08, 2026

Focal and Diffuse Coronary Artery Disease Patterns and Placebo-Controlled Angina Relief With Percutaneous Coronary Intervention: ORBITA-2.

Focal and Diffuse Coronary Artery Disease Patterns and Placebo-Controlled Angina Relief With Percutaneous Coronary Intervention: ORBITA-2.

Journal: Journal of the American College of Cardiology
Published: December 02, 2025

The Role of the Collateral Circulation in Stable Angina: An Invasive Placebo-Controlled Study.

The Role of the Collateral Circulation in Stable Angina: An Invasive Placebo-Controlled Study.

Journal: Circulation
Published: October 27, 2025

Association Between Age and PCI Effectiveness in Stable CAD: Secondary Analysis of ORBITA-2.

Association Between Age and PCI Effectiveness in Stable CAD: Secondary Analysis of ORBITA-2.

Journal: Journal of the American College of Cardiology
Published: July 28, 2025

Microbubble Contrast Agent Use During Invasive Coronary Microvascular Assessment.

Microbubble Contrast Agent Use During Invasive Coronary Microvascular Assessment.

Journal: Journal of the Society for Cardiovascular Angiography & Interventions
Published: April 21, 2025

Difference in Strategy and Clinical Outcomes of Left Main Disease in Japan and Non-Japanese Countries.

Difference in Strategy and Clinical Outcomes of Left Main Disease in Japan and Non-Japanese Countries.

Journal: International heart journal
Published: March 30, 2025

Redefining the Rules of Revascularization: Lessons From ISCHEMIA for the Future of Appropriate Use Criteria.

Redefining the Rules of Revascularization: Lessons From ISCHEMIA for the Future of Appropriate Use Criteria.

Journal: Circulation. Cardiovascular quality and outcomes
Published: February 26, 2025

Reproducibility, Accuracy, and Treatment Impact of Ischemia Severity Assessment From Coronary Angiography　- An ORBITA Study Analysis.

Reproducibility, Accuracy, and Treatment Impact of Ischemia Severity Assessment From Coronary Angiography　- An ORBITA Study Analysis.

Journal: Circulation reports
Published: January 16, 2025

Safety, Efficacy, and Effectiveness of Coronary Sinus Reducer Implantation in Refractory Angina: A Meta-Analysis.

Safety, Efficacy, and Effectiveness of Coronary Sinus Reducer Implantation in Refractory Angina: A Meta-Analysis.

Journal: JACC. Cardiovascular interventions
Published: January 14, 2025

Ischemia on Dobutamine Stress Echocardiography Predicts Efficacy of PCI: Results From the ORBITA-2 Trial.

Ischemia on Dobutamine Stress Echocardiography Predicts Efficacy of PCI: Results From the ORBITA-2 Trial.

Journal: Journal of the American College of Cardiology
Published: January 12, 2025

A systematic review of enrolment criteria and treatment efficacy for microvascular angina.

A systematic review of enrolment criteria and treatment efficacy for microvascular angina.

Journal: EuroIntervention : journal of EuroPCR in collaboration with the Working Group on Interventional Cardiology of the European Society of Cardiology
Published: January 08, 2025

Fractional Flow Reserve and Instantaneous Wave-Free Ratio as Predictors of the Placebo-Controlled Response to Percutaneous Coronary Intervention in Stable Coronary Artery Disease.

Fractional Flow Reserve and Instantaneous Wave-Free Ratio as Predictors of the Placebo-Controlled Response to Percutaneous Coronary Intervention in Stable Coronary Artery Disease.

Journal: Circulation
Published: October 27, 2024
Showing 1-12 of 67

Last Updated: 09/26/2026