In this webinar, Dr. Johannes Schwaiger presents a comparative study of LV strain (left ventricular strain) in patients with cardiomyopathy, highlighting how advanced echocardiography techniques can provide more precise cardiac assessment.
The presentation focuses on GLS (global longitudinal strain) measurements using vendor-neutral platforms. Dr. Schwaiger shares his dual experience from both hospital-based and private practice environments, where he regularly applies speckle tracking echocardiography to analyze cardiac function beyond conventional ejection fraction.
He presents a comparative study of two software programs for measuring left ventricular strain in the myocardium: Samsung W7 and Tomtech. He investigated the differences in measurements between the two programs and collected data from patients with various cardiomyopathies. The study found that the two programs agreed with each other at a clinically acceptable level in measuring left ventricular strain. Dr. Schwaiger presents case studies of patients with heart failure, myocarditis, and amyloidosis, highlighting the similarity of the two programs. In particular, he demonstrates that both programs accurately capture the characteristic “accordion heart” pattern of cardiac amyloidosis.
This session provides valuable real-world data on the clinical utility of left ventricular strain in cardiomyopathy patients and reinforces the role of echocardiography, GLS, and speckle tracking in advancing non-invasive cardiac diagnostics.
For additional details and data, read the companion paper on left ventricular strain imaging in cardiomyopathy.
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