Population
heart failure
MAY, EVENTS, HEART FAILURE
The current substudy was prespecified in the protocol for the For the present study, 50 consecutive patients from the POTCAST trial with LVEF between 35 and 55% were included between June 1, 2020 and May 31, 2021. Patients were excluded from the final analysis if any of the following criteria were present: echocardiographic image quality too poor for 2D-speckle tracking criteria, acute coronary events during follow-up, any changes in heart failure medication during follow-up unrelated to the study, and difference in rhythm at baseline and follow-up echocardiographies.