University Hospital Of Patras

This study compares two ways of placing a pacemaker lead in people who need frequent pacing. One method (left bundle branch pacing) aims to activate the heart more naturally than the standard method. The goal is to see if it reduces the time the heart spends in fast, irregular rh…

This study looks at 100 people with heart failure who need a special pacemaker. Doctors want to see if a heart ultrasound before the procedure can predict which pacing method—left bundle branch pacing or standard biventricular pacing—works better. The goal is to improve how well …

This study compares two methods of accessing the radial artery in the wrist for coronary angiography: the standard approach versus an ultrasound-guided distal approach. Researchers will enroll 1,400 patients who need this heart procedure to see if ultrasound guidance reduces the …