Multidetector cardiac tomography: A useful tool before cardiac resynchronization therapy

Multidetector cardiac tomography: a useful tool before cardiac resynchronization therapy.

BACKGROUND Left ventricular lead placement in a suitable coronary vein is a key determi-nant of responsiveness to cardiac resynchronization therapy (CRT). Multidetector cardiac tomography (MDCT) is a non-invasive alternative to depict cardiac venous anatomy although coronary sinus (CS) retrograde venography (RV) is the gold standard. The aim of this study was to evaluate the accuracy of MDCT to...

Is echocardiographic assessment of dyssynchrony useful to select candidates for cardiac resynchronization therapy? Echocardiography is not useful before cardiac resynchronization therapy if QRS duration is available.

Several multicenter prospective randomized trials have shown that cardiac resynchronization therapy (CRT) improves functional capacity and quality of life in 70% of symptomatic heart failure (HF) patients.1 A smaller proportion of these selected patients shows a 5% increase in left ventricular (LV) ejection fraction and a 15% reduction of LV end-systolic volume, indicating reverse remodeling of...

Non invasive visualization of cardiac venous system using 64-slice computed tomography before cardiac resynchronization therapy: a single center experience

Cardiac-resynchronization therapy.

Cardiac resynchronization therapy (CRT) addresses abnormal left ventricular (LV) activation that produces detrimental effects on cardiac systolic and diastolic function. CRT improves symptoms and ventricular performance, promotes reverse remodeling, and decreases mortality and hospitalization in patients with congestive heart failure (CHF). Atrial-synchronized biventricular stimulation reverses...

Cardiac Resynchronization Therapy

According to the 2013 update on heart disease statistics from American Heart Association, an estimated 5.1 million Americans ≥20 years of age have a diagnosis of heart failure. In the year 2009, heart failure was noted to be the primary cause of death in >56 000 people and contributed to death of >274 000 people. It is one of the most common causes of hospitalization in patients ≥65 years of ag...