The purpose of this study is to evaluate and compare the changes by two modalities: Imaging by Strain by Speckle Tracking and Magnetic Resonance versus soluble markers of cardiac dysfunction as early predictors of cardio-toxicity in cancer patients receiving low or high doses of radiotherapy.
Study Type
OBSERVATIONAL
Enrollment
47
Pontificia Universidad Catolica de Chile
Santiago, Santiago Metropolitan, Chile
Global Longitudinal Strain (Left Ventricle)
\>5 Absolute drop or 12% Relative reduction from baseline
Time frame: Baseline, 1 and 12 weeks after Treatment
Cardiac Magnetic Resonance Cinema Imaging
Cinema imaging: Long axis balance, Balance 4 cameras, Short shaft full balance, Right ventricular balance
Time frame: Baseline, 1 and 12 weeks after treatment
Cardiac Magnetic Resonance Anatomical Image
Inversion recovery single shot balance 3D short axis covering the entire heart and aorta with free respiratory trigger
Time frame: Baseline, 1 and 12 weeks after treatment
Cardiac Magnetic Resonance Flow Image
2D outflow tract of the aorta 2D pulmonary artery outflow tract
Time frame: Baseline, 1 and 12 weeks after treatment
Cardiac Magnetic Resonance Quantitative Image
T1 map short axis apical section T1 map short axis medial section T1 map short axis basal section T2 map short axis apical section T2 map short axis medial section T2 map short axis basal section
Time frame: Baseline, 1 and 12 weeks after treatment
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