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Details of Grant 

EPSRC Reference: EP/P032311/1
Title: Multidimensional and Multiparametric Quantitative Cardiac MRI from Continuous Free-Breathing Acquisition
Principal Investigator: Prieto, Professor C
Other Investigators:
Botnar, Professor RM Chiribiri, Dr A King, Dr AP
Researcher Co-Investigators:
Project Partners:
Department: Imaging & Biomedical Engineering
Organisation: Kings College London
Scheme: Standard Research
Starts: 01 September 2017 Ends: 31 August 2022 Value (£): 565,581
EPSRC Research Topic Classifications:
Medical Imaging
EPSRC Industrial Sector Classifications:
Related Grants:
Panel History:
Panel DatePanel NameOutcome
12 Apr 2017 Engineering Prioritisation Panel Meeting 12 April 2017 Announced
Summary on Grant Application Form
Cardiovascular disease (CVD) is the leading single cause of morbidity and mortality in the Western world, causing over 65.000 deaths every year in England. Improving the treatment and outcome of cardiovascular disease is one of the main priorities of the National Health Service (NHS) and a reduction of 25% in mortality associated to cardiovascular disease by the year 2025 is one of the major challenges proposed by the United Nations. Magnetic Resonance Imaging (MRI) is a very promising non-invasive tool for early risk assessment, guidance of therapy and treatment monitoring of CVD. MRI has been shown to provide exquisite depiction of cardiac anatomy and is considered the gold standard to assess ventricular volumes and function. More recently, quantitative mapping of magnetic relaxation properties (known as e.g. T1 and T2 relaxation times) have been developed to standardise the quantitative measurement of myocardial tissue properties, enabling non-invasive characterisation and differentiation of diseased and healthy tissue. Clinical research studies have shown the potential of parametric mapping techniques for quantification of diffuse myocardial fibrosis (T1 map) and the assessment of myocardial oedema and inflammation (T2 map). Thus, MR parameter mapping offer the promise of early disease detection and monitoring over time or in response to therapy, changing the MR paradigm from visualisation to quantification.

The limitation of the current MRI scheme is that all these images (e.g. cardiac anatomy, function, T1 map and T2 map) are acquired sequentially, usually with different resolution, different geometric orientations and at different breath-hold positions. This scheme requires patient cooperation as acquisitions are usually performed under multiple breath holds, requires experienced radiographers to plan and perform the different acquisitions, and results in long scan times. Moreover patients are usually unable to hold their breath at the same respiratory position. Thus images acquired at different breath-holds cannot be directly fused thereby affecting diagnosis, accuracy and reproducibility of cardiac MRI.

The method proposed in this project will overcome these problems by allowing the simultaneous acquisition of MR images with multiple parameters (e.g. cardiac anatomy, function, T1 map and T2 map), throughout the whole cardiac and respiratory cycles, from a single free-breathing acquisition. Thus providing anatomic and functional information simultaneously with quantitative information of multiple tissue parameters for an efficient (single scan, shorter and predictable scan time), accurate, simplified (less planning required and more comfortable for the patients) and comprehensive assessment of cardiovascular disease.

Key Findings
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