The mechanism of chronotropic incompetence (CI), which has been associated with
autonomic dysfunction, has not been elucidated in patients without heart failure (HF) …

The mechanism of chronotropic incompetence (CTI), which has been associated with
autonomic dysfunction, has not been elucidated in patients without heart failure (HF) …

Introduction: Chronotropic incompetence (CI), defined as the inability of the heart to increase
its rate commensurate with increased activity, produces exercise intolerance, and is an …

Background: Chronotropic incompetence is common in heart failure with preserved ejection
fraction (HFpEF) and is associated with impaired aerobic capacity. We investigated the …

Background: The exercise limitation of patients with chronic heart failure may be due in part
to an inability to increase heart rate as normal, a limitation sometimes referred to as …

Cardiac sympathetic function plays an important role in the regulation of left ventricular (LV)
function and the pathophysiology of LV dysfunction. 11C-CGP-12177 (11C-CGP) has been …

Background Exercise intolerance is the primary symptom of patients with heart failure with
preserved ejection fraction (HFpEF). Chronotropic incompetence has been considered to be …

Background: Chronotropic incompetence (CI) is often seen in subjects with chronic
congestive heart failure (CHF). The prevalence of CI, its mechanisms and association with …

Chronotropic incompetence (CI) is common in heart failure with preserved ejection fraction
(HFpEF) and may be a key reason underlying exercise intolerance in these patients …

In their recently published article, Ruiz-Bailén M et al. prospectively investigated the course
of myocardial dysfunction that had developed in a group of critically ill patients, and …