Dr. Bart Bijnens
This course was aimed at providing insight into cardiac mechanics and cardiac physiology, since this knowledge is essential in order to be able to correctly interpret deformation data that can be obtained by the latest technologies in strain (-rate) imaging. In the first session of the course, systolic function was discussed in more detail. Several aspects were presented, including the basics of fibre mechanics and how this translated into efficient pressure build up and ejection. Next, the limitations of ejection fraction were discussed and it was illustrated how deformation analysis can provide complementary information. It was further illustrated how stressing the ventricles can provide more information on function and functional capacity, especially knowing which are the expected physiological changes during exercise and how deviations to this can help in assessing function. Finally, some studies were shown where a more comprehensive assessment of myocardial tissue and deformation provided more detailed information for addressing clinical questions.
In summary, these concepts were discussed:
In order to assess systolic function, a framework, describing the physiological changes in global and local parameters, in different conditions, and their mal-adaptations in diseases, combined with measurements of (global and regional) deformation, provides a powerful approach to assess the status and prognosis in an individual patient.
Systolic function and ejection
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