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Jérôme Lamy
University of Paris
Magnetic resonance imagingCardiologyAortic valve stenosisAngiologyMedicine
13Publications
5H-index
67Citations
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Publications 13
Newest
#1Adrian Thomas Huber (University of Bern)H-Index: 10
#2Léo Razakamanantsoa (University of Paris)
Last. Alban Redheuil (University of Paris)H-Index: 21
view all 7 authors...
OBJECTIVE. The purpose of this study was to test the hypothesis that patients with idiopathic dilated cardiomyopathy (IDCM) and heart failure have increased liver T1 relaxation times at MRI owing to congestion compared with the T1 relaxation times in patients with IDCM without heart failure and healthy control subjects. MATERIALS AND METHODS. For this retrospective cross-sectional study, 55 subjects (33 men, 22 women; mean age, 47 +/- 15 years) who had undergone cardiac MRI were included: 20 hea...
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#1Adrian Thomas Huber (University of Bern)H-Index: 10
#2Jérôme Lamy (University of Paris)H-Index: 5
Last. Nadjia Kachenoura (University of Paris)H-Index: 19
view all 14 authors...
Objectives To compare the performance of magnetic resonance (MR) relaxometry parameters to discriminate myocardial and skeletal muscle inflammation in idiopathic inflammatory myopathy (IIM) patients from healthy controls.
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#1Sophia Houriez-Gombaud-Saintonge (Institute of Chartered Accountants of Nigeria)H-Index: 1
#2Emilie Bollache (NU: Northwestern University)H-Index: 10
Last. Nadjia Kachenoura (University of Paris)H-Index: 19
view all 14 authors...
Source
#1Adrian Thomas Huber (University of Bern)H-Index: 10
#2Marine Bravetti (University of Paris)H-Index: 1
Last. Alban Redheuil (University of Paris)H-Index: 21
view all 13 authors...
Background Idiopathic inflammatory myopathy (IIM) is a group of autoimmune diseases with systemic myositis which may involve the myocardium. Cardiac involvement in IIM, although often subclinical, may mimic clinical manifestations of acute viral myocarditis (AVM). Our aim was to investigate the usefulness of the combined analysis of cardiovascular magnetic resonance (CMR) T1 and T2 mapping parameters measured both in the myocardium and in the thoracic skeletal muscles to differentiate AVM from I...
5 CitationsSource
#1Adrian Thomas HuberH-Index: 10
#2Jérôme LamyH-Index: 5
Last. Alban RedheuilH-Index: 21
view all 15 authors...
Cardiac MR imaging left atrium strain indexes and peak longitudinal atrial strain are strongly related to the degree of myocardial fibrofatty remodeling in left atrium cardiomyopathy and are highly reproducible.
8 CitationsSource
#1Jérôme Lamy (University of Paris)H-Index: 5
#2Gilles Soulat (French Institute of Health and Medical Research)H-Index: 5
Last. Nadjia Kachenoura (University of Paris)H-Index: 19
view all 10 authors...
Abstract Background A feature tracking (FT) was designed to simultaneously extract myocardial strains in main cardiac chambers from cine MRI images. Its inter-observer and scan-rescan reproducibility was assessed and sample sizes required to detect predefined longitudinal changes in strain values were provided. Method FT was applied on left (LV) and right (RV) ventricles as well as left atrium (LA) of 21 individuals (66 ± 10 years) who underwent 2 MRIs 2 weeks apart. Global peaks for radial, cir...
2 CitationsSource
#1Jérôme Lamy (University of Paris)H-Index: 5
#2Gilles SoulatH-Index: 5
Last. Nadjia Kachenoura (University of Paris)H-Index: 19
view all 8 authors...
Feature tracking (FT) is an emerging approach for the evaluation of both left atrium (LA) and left ventricular (LV) myocardial strain from cine MRI. We aimed to: 1) perform a simultaneous evaluation of LA and LV strain in patients with aortic valve stenosis (A VS) and 2) evaluate associations of LA strain measurements with LV remodeling (LVmass/LVend-diastolic volume) and strain. We studied 55 patients (34 AVS:71±11 years, 21 controls :66±9 years) with preserved LV ejection fraction (LVEF). FT w...
Source
#1Morgane Evin (USYD: University of Sydney)H-Index: 5
#2Kathryn M. Broadhouse (USYD: University of Sydney)H-Index: 8
Last. Stuart M. Grieve (USYD: University of Sydney)H-Index: 37
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Background Diastolic dysfunction is a major cause of morbidity in obese individuals. We aimed to assess the ability of magnetic resonance imaging (MRI) derived left atrial (LA) strain to detect early diastolic dysfunction in individuals with obesity and type 2 diabetes, and to explore the association between cardiac adipose tissue and LA function.
13 CitationsSource
#1Morgane Evin (University of Paris)H-Index: 5
#2Alban RedheuilH-Index: 21
Last. Nadjia Kachenoura (University of Paris)H-Index: 19
view all 13 authors...
Importance of left atrial (LA) phasic function evaluation is increasingly recognized for its incremental value in terms of prognosis and risk stratification. LA phasic deformation in the pathway of normal aging has been characterized using echocardiographic speckle tracking. However, no data are available regarding age-related variations using feature-racking (FT) techniques from standard cine magnetic resonance imaging (MRI). We studied 94 healthy adults (41 ± 14 yr, 47 women), who underwent MR...
15 CitationsSource
#1Jérôme Lamy (University of Paris)H-Index: 5
#2Gilles Soulat (University of Paris)H-Index: 5
Last. Nadjia Kachenoura (University of Paris)H-Index: 19
view all 6 authors...
Feature tracking (FT) is a novel approach for myocardial strain evaluation from standard cine MRI. Conversely to tagging, an original feature of FT is its ability to analyze all heart chambers, independently of their wall thickness. However, few technical challenges, including its inter-study repeatability need to be investigated and this is the aim of our study.
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