Sep 21, 2016 · LVS VAs can be eliminated by ablation from the coronary venous system or from adjacent endocardial structures, including the LCC, basal LV endocardium, or septal RVOT. Ablation from the endocardium is preferred when an intramural origin is suspected or when ablation from the GCV/AIV is unsafe because of close proximity to coronary vessel or not ...

A detailed understanding of the left ventricular outflow tract (LVOT) anatomy and its relationships is essential for mapping and ablation of LVS arrhythmias. At the base of the heart, the elliptical opening of the LV, also known as LV ostium, provides attachment to the aortic and mitral valves.3 It is covered by a large fibrous structure, the ...

May 13, 2019 · Periodic measurement of left ventricular ejection fraction (LVEF) and LV end-diastolic dimensions, along with quantification of PVC burden, may be useful for patients with a high PVC burden (approximately 10% or higher) to identify deteriorating LV function before symptoms of heart failure appear.

17 hours ago · In 2017, a small pilot study carried out by the same authors found that patients who underwent left ventricular ablation were more likely to develop brain emboli after the procedure, compared with ...

Left ventricular summit (LVS) arrhythmias are challenging as catheter ablation targets. This review summarizes LVS anatomy, mapping techniques, and endocardial and epicardial ablation techniques. Advanced ablation strategies are increasingly being developed to access intramural substrate and improve procedural success.

Surgical cryoablation in the LV summit is a viable option for drug-refractory ventricular arrhythmias. Presurgical epicardial mapping can facilitate the surgical procedure by localizing the area of interest to allow for a more limited surgical dissection of the epicardial fat.

Catheter ablation of ventricular arrhythmias (VAs) arising from the left ventricle`s (LV) papillary muscles (PM) is challenging. In this study we present results of catheter ablation using multiple energy sources and image‐based approaches.

Premature ventricular contractions originating from the left ventricular (LV) summit pose a serious challenge to catheter ablation, as myocardial thickness, epicardial fat, and coronary vessels impede appropriate radiofrequency (RF) energy delivery to the target areas.

3 days ago · While epicardial ablation can improve the success of catheter ablation, the procedure is associated with an increased risk of complications, requires significantly greater resources and preparation than endocardial ablation alone, and is only considered in limited clinical scenarios and experienced referral centres. 7 Current indications for ...

2 days ago · It is well known that septal intramural VTs, especially those with widely extended myocardial substrates, are particularly refractory to conventional catheter ablation. 4 Recently, there has been a case report of retrograde coronary venous ethanol ablation of the LV summit VT in a patient with LMNA-DCM. 5 However, in our case, specific local ...