Prognostic value of cardiovascular magnetic resonance in patients with suspected arrhythmogenic right ventricular cardiomyopathy.

Background: Early recognition and accurate risk stratification are important in the management of arrhythmogenic right ventricular cardiomyopathy (ARVC). Identification of predictors of outcome by cardiovascular magnetic resonance (CMR) in patients undergoing evaluation for ARVC is limited. We investigated the predictive value of morphological abnormalities detected by CMR for major clinical events in patients with suspected ARVC.

Prognostic role of CMR in patients presenting with ventricular arrhythmias.

Objectives: The goal of this study was to explore whether fibrosis detected by late gadolinium enhancement cardiac magnetic resonance (LGE-CMR) is an independent predictor of hard cardiovascular events in patients presenting with ventricular arrhythmia.

Background: In patients at risk of sudden cardiac death, risk stratification for device therapy remains challenging.

Methods: A total of 373 consecutive patients with sustained ventricular tachycardia (VT) (n = 204) or nonsustained ventricular tachycardia (NSVT) (n = 169) underwent LGE-CMR.

Right ventricular volumes and function in thalassemia major patients in the absence of myocardial iron overload.

Aim: We aimed to define reference ranges for right ventricular (RV) volumes, ejection fraction (EF) in thalassemia major patients (TM) without myocardial iron overload.

Methods And Results: RV volumes, EF and mass were measured in 80 TM patients who had no myocardial iron overload (myocardial T2* > 20 ms by cardiovascular magnetic resonance). All patients were receiving deferoxamine chelation and none had evidence of pulmonary hypertension or other cardiovascular comorbidity.

Relation of myocardial T2* to right ventricular function in thalassaemia major.

Aims: Myocardial T2* cardiovascular magnetic resonance (CMR) provides a rapid and reproducible measure of cardiac iron loading and is being increasingly used worldwide for monitoring of transfusion-dependent thalassaemia patients. Although myocardial siderosis (T2* <20 ms) is associated with impaired left ventricular (LV) function, little is known of its relation with right ventricular (RV) function. The aim of this study was to investigate the relationship between cardiac T2* and RV function.

[Public access defibrillation].

Placement of automated external defibrillators (AED) in public facilities and training of the lay persons in basic life support-defibrillation (BLS-D) was recommended by the American Heart Association for the treatment of out-of-hospital cardiac arrest (OHCA). Immediate use of AED result in increase of survival to hospital discharge. Many observation and much less randomized trials describe clinical efficacy of this approach.