Highlights
1. RV-PA coupling improves significantly with GDMT up-titration in HFrEF patients.
2. TAPSE/sPAP ratio <0.65 mm/mm Hg at follow-up predicts adverse outcomes independently.
1. RV-PA coupling improves significantly with GDMT up-titration in HFrEF patients.
2. TAPSE/sPAP ratio <0.65 mm/mm Hg at follow-up predicts adverse outcomes independently.