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Heart blood flow during fast heartbeats in adults with heart disease

Measures heart blood flow and pressure during paced fast rhythms in adults with heart disease.

Plain-language title generated from the registry record
Registry title: Coronary Flow During Rapid Heart Rates

Key facts

Where
London, United KingdomSee the site

Where in United Kingdom

  • Imperial College NHS Foundation TrustLondon, United KingdomTaking people

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Trial details

Who runs it
Imperial College London
Trial code
NCT05841199
Record updated
27 March 2026
Original description
The goal of this observational study is to learn about the factors which determine how well ventricular tachycardia (VT) is tolerated. The main questions it aims to answer are:Read full original descriptionShow less

Coronary Epicardial and Microcirculatory Determinants of Ventricular Tachycardia Tolerability

The goal of this observational study is to learn about the factors which determine how well ventricular tachycardia (VT) is tolerated. The main questions it aims to answer are:

1. What impact does coronary artery disease have on the ability for a patient to tolerate VT? 2. Does treatment of coronary artery disease with stents improve the tolerability of VT?

Participants who are undergoing a clinically indicated coronary angiogram or coronary angioplasty procedure will have measurements of blood pressure, coronary pressure and coronary flow made during pacing at a range of heart rates.

Inclusion: Able to give valid consent; Referred for coronary angiography or coronary angioplasty; Suitable for percutaneous physiological interrogation and PCI when clinically indicated.

Exclusion: Unstable coronary artery disease (acute coronary syndrome); Severe multivessel coronary artery disease suitable for coronary artery bypass grafting; Severe heart valve disease; Severe (NYHA IV) heart failure; Unable to give valid consent; Pregnant or breastfeeding women.

ClinicalTrials.gov NCT05841199