Renal Sympathetic Denervation in Patients with Resistant Hypertension: A Feasibility Study.

Background/aims: We assessed the feasibility of renal sympathetic denervation (RDN) treatment in patients with resistant hypertension using the Iberis® RDN system. This study was a prospective, multicenter, single-arm feasibility registry.

Methods: We collected data from patients who underwent RDN treatment using the Iberis system.

Usefulness of echocardiographic criteria for transcatheter aortic valve implantation without balloon predilation: a single-center experience.

Background: Transcatheter aortic valve implantation (TAVI) is an alternative therapy for high-risk patients with symptomatic aortic stenosis. TAVI without balloon aortic predilation (BPD) has been found to be as feasible and safe as the standard approach with predilation. The aim of this study was to show the usefulness of transesophageal echocardiographic (TEE) criteria during patient selection for TAVI without BPD and compare the results with those from a control group.

Pacemaker lead-related tricuspid stenosis successfully treated with percutaneous balloon valvuloplasty guided by 3D echocardiography.

The most common etiology of tricuspid stenosis is rheumatic, and in most cases it is associated with valvular regurgitation. Interestingly, there have been reports of tricuspid stenosis without associated valvular regurgitation, mostly related to pacemaker leads. Percutaneous tricuspid valvuloplasty may be a therapeutic alternative to surgery in cases of pure tricuspid stenosis without other concomitant valvulopathies.

[Atrioventricular conduction disturbances after CoreValve(®) aortic prosthesis implantation. Predictive role of transesophageal echocardiography].

Atrioventricular conduction disorders can appear after the implantation of percutaneous aortic CoreValve(®) prostheses in patients requiring permanent pacemakers (40%-45% of these patients). The aim of our study was to detect if 2- or 3-dimensional echocardiographic variables could predict the appearance of atrioventricular conduction disorders. For this purpose, the relationship of the prosthesis with the interventricular septum was studied in 26 consecutive patients.