Remodeling after myocardial infarction and effects of heart failure treatment investigated by hyperpolarized [1‐13C]pyruvate magnetic resonance spectroscopy

RS Tougaard, C Laustsen, TR Lassen… - Magnetic …, 2022 - Wiley Online Library
Purpose Hyperpolarized [1‐13C] pyruvate MRS can measure cardiac metabolism in vivo.
We investigated whether [1‐13C] pyruvate MRS could predict left ventricular remodeling …

Hyperpolarized 13C magnetic resonance reveals early‐ and late‐onset changes to in vivo pyruvate metabolism in the failing heart

MA Schroeder, AZ Lau, AP Chen, Y Gu… - European journal of …, 2013 - Wiley Online Library
Aims Impaired energy metabolism has been implicated in the pathogenesis of heart failure.
Hyperpolarized 13C magnetic resonance (MR), in which 13C‐labelled metabolites are …

Probing human heart TCA cycle metabolism and response to glucose load using hyperpolarized [2‐13C]pyruvate MRS

HY Chen, JW Gordon, N Dwork, BT Chung… - NMR in …, 2024 - Wiley Online Library
Introduction The healthy heart has remarkable metabolic flexibility that permits rapid
switching between mitochondrial glucose oxidation and fatty acid oxidation to generate ATP …

[HTML][HTML] Real time measurement of myocardial substrate selection in vivo using hyperpolarized 13C magnetic resonance

JA Bastiaansen, ME Merritt, A Comment - Journal of Cardiovascular …, 2015 - Springer
Background Cardiac dysfunction is often associated with a shift in substrate preference and
metabolism, but current in vivo techniques only provide information on substrate uptake …

Acute hypertensive stress imaged by cardiac hyperpolarized [1‐13C]pyruvate magnetic resonance

RS Tougaard, ESS Hansen, C Laustsen… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose Deranged metabolism is now recognized as a key causal factor in a variety of heart
diseases, and is being studied extensively. However, invasive methods may alter …

Hyperpolarized 13C Metabolic MRI of the Human Heart: Initial Experience

CH Cunningham, JYC Lau, AP Chen… - Circulation …, 2016 - Am Heart Assoc
Rationale: Altered cardiac energetics is known to play an important role in the progression
toward heart failure. A noninvasive method for imaging metabolic markers that could be …

Hyperpolarized 13C NMR detects rapid drug‐induced changes in cardiac metabolism

C Khemtong, NR Carpenter, LL Lumata… - Magnetic resonance …, 2015 - Wiley Online Library
Purpose The diseased myocardium lacks metabolic flexibility and responds to stimuli
differently compared with healthy hearts. Here, we report the use of hyperpolarized 13C …

[HTML][HTML] Regional quantification of cardiac metabolism with hyperpolarized [1-13C]-pyruvate CMR evaluated in an oral glucose challenge

PEZ Larson, S Tang, X Liu, A Sinha, N Dwork… - Journal of …, 2023 - Springer
Background The heart has metabolic flexibility, which is influenced by fed/fasting states, and
pathologies such as myocardial ischemia and hypertrophic cardiomyopathy (HCM) …

Imaging regional metabolic changes in the ischemic rat heart in vivo using hyperpolarized [1-13C] pyruvate

MH Lauritzen, P Magnusson, C Laustsen, SA Butt… - Tomography, 2017 - mdpi.com
We evaluated the use of hyperpolarized 13 C magnetic resonance imaging (MRI) in an open-
chest rat model of myocardial infarction to image regional changes in myocardial …

Reproducibility study for free‐breathing measurements of pyruvate metabolism using hyperpolarized 13C in the heart

AZ Lau, AP Chen, J Barry, JJ Graham… - Magnetic resonance …, 2013 - Wiley Online Library
Spatially resolved images of hyperpolarized 13C substrates and their downstream products
provide insight into real‐time metabolic processes occurring in vivo. Recently …