Doctors often use traditional measurements to decide if a patient with heart failure should receive cardiac resynchronization therapy (CRT). This is a specialized treatment that helps coordinate the heart's contractions. While current methods are common, they may not provide a complete picture of how the heart muscle moves.
A review of recent evidence suggests that new ultrasound tools called speckle-tracking echocardiography (STE) could offer more detail. These tools look at specific movements like global longitudinal strain and mechanical dispersion. The goal is to see if these measurements can better predict which patients will have a positive response to CRT treatment.
Because this was a narrative review, the evidence is currently not enough to change standard medical practice immediately. The study did not provide specific trial data or statistics. These new tools are seen as helpful additions to current methods rather than replacements for traditional testing.