A 70 year old man with a history of hypertension presents with progressive shortness of breath on exertion and orthopnoea. Physical examination reveals a displaced apical impulse, bilateral basilar crackles, and 2 plus pitting oedema. Echocardiogram shows ejection fraction 25 percent and moderate functional mitral regurgitation. He is on maximally tolerated guideline directed medical therapy including ACE inhibitor, beta blocker, mineralocorticoid receptor antagonist, and SGLT2 inhibitor but remains NYHA class III. According to heart failure guidelines, which additional nonpharmacologic therapy should be considered to improve symptoms and reduce hospitalisations?