Over two decades after the introduction of cardiac resynchronization therapy (CRT) into
clinical practice,∼ 30% of candidates continue to fail to respond to this highly effective …

The content of these European Society of Cardiology (ESC) Guidelines has been published
for personal and educational use only. No commercial use is authorized. No part of the ESC …

Heart failure is a complex clinical syndrome associated with a significant morbidity and
mortality burden. Reductions in left ventricular (LV) function trigger adaptive mechanisms …

Background Cardiac resynchronization therapy (CRT) is one of the most successful heart
failure therapies to emerge in the last 25 years and is applicable to∼ 25–30% of patients …

Cardiac physiologic pacing (CPP), encompassing cardiac resynchronization therapy (CRT)
and conduction system pacing (CSP), has emerged as a pacing therapy strategy that may …

Background The benefit of cardiac resynchronization therapy (CRT) among patients with
mild heart failure (HF), reduced left ventricular (LV) function and wide QRS is well …

Objectives This study sought to assess the impact of a more detailed classification of
response on survival. Background Cardiac resynchronization therapy (CRT) improves …

Aims Pacing from multiple sites in the left ventricle (LV) may bring about further
resynchronization of the diseased heart compared with biventricular (BiV) pacing. We …

Background Response to cardiac resynchronization therapy (CRT) remains challenging.
Pacing from multiple sites of the left ventricle (LV) has shown promising results. Objective …

Background—One of the reasons for patient nonresponse to cardiac resynchronization
therapy is a suboptimal left ventricular (LV) pacing site. LV electric delay (Q-LV interval) has …