Key result
Cardiac magnetic resonance holds promise as a comprehensive, radiation-free imaging modality for evaluating cardiovascular risk in obese subjects, overcoming limitations of other imaging techniques.
Why the study?
Obesity causes substantial cardiovascular mortality, but conventional noninvasive imaging modalities face significant technical limitations or radiation concerns in obese subjects.
CMR is highlighted as a promising comprehensive, radiation-free imaging modality for evaluating cardiovascular risk in obese patients, overcoming the limitations of other noninvasive techniques.
CMR may aid obesity-related risk assessment in adolescents without radiation; leaves open cost-benefit questions before routine adoption.
Obesity represents one of the most challenging public health problems of our century. It accounts for approximately 5% of deaths worldwide, mostly owing to cardiovascular disease and its associated complications. Cardiovascular noninvasive imaging may provide early accurate information about hypertrophy and ischemia/fibrosis in obese subjects. Echocardiography and nuclear cardiology have serious limitations in obese subjects owing to poor acoustic window and attenuation artifacts, respectively. Coronary computed tomography angiography can provide information about obstructive coronary disease; however, the use of radiation is a serious disadvantage. Finally, cardiac magnetic resonance (CMR) holds the promise of an "all in one" examination by combining evaluation of function, wall motion/thickness, stress rest/perfusion, replacement and diffuse fibrosis without radiation. Future studies are required to document the cost/benefit ratio of the CMR in the evaluation of cardiovascular risk in overweight/obese children and adolescents.
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Mavrogeni et al. (2021) conducted a review in Obesity. Cardiovascular noninvasive imaging was evaluated. Cardiac magnetic resonance holds promise as a comprehensive, radiation-free imaging modality for evaluating cardiovascular risk in obese subjects, overcoming limitations of other imaging techniques.
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