Comparison of left bundle branch area pacing between patients with pacing-induced cardiomyopathy and non-ischemic dilated cardiomyopathy.

Introduction: Left bundle branch area pacing (LBBAP) seems to be an alternative to coronary sinus pacing in patients with non-ischaemic dilated cardiomyopathy (NI-DCM) with left bundle branch block (LBBB) and in pacing-induced cardiomyopathy (PICM). The aim of the study was to compare the response of LBBAP in severe forms of both entities.

Material And Methods: Prospective study of patients with severe forms of PICM and NI-DCM in NYHA II-IV who underwent LBBAP.

A novel approach for venous occlusion after endocavitary leads. The balloon-assisted tracking technique.

The balloon-assisted tracking technique can be useful in short venous occlusions that conventional venoplasty fails. This technique could be feasible and with an expected low complication rate.

Prosthesis-patient mismatch after transcatheter aortic valve replacement: prevalence and medium term prognostic impact.

Prosthesis-patient mismatch (PPM) occurs when the effective orifice area of the prosthesis is too small in relation to the patient's body surface area. There are few data available on the frequency and prognostic impact of PPM after transcatheter aortic valve implantation (TAVI). Our aim was to determine the prevalence of PPM and to investigate its association with medium-term clinical course of patients undergoing TAVI.

Effect of New-Onset Left Bundle Branch Block After Transcatheter Aortic Valve Implantation (CoreValve) on Mortality, Frequency of Re-Hospitalization, and Need for Pacemaker.

New-onset conduction disturbances are common after transcatheter aortic valve implantation (TAVI). The most common complication is left bundle branch block (LBBB). The clinical impact of new-onset LBBB after TAVI remains controversial.

Atrioventricular Conduction Changes After CoreValve Transcatheter Aortic Valve Implantation.

Introduction And Objectives: Conduction disturbances often occur after CoreValve transcatheter aortic valve implantation. The aim was to analyze which cardiac conduction changes occur in patients with aortic stenosis treated with this type of prosthesis.

Methods: A total of 181 patients with severe aortic stenosis treated with this prosthesis and studied by electrocardiography between April 2008 and December 2013 were selected.

Measurement of aortic valve annulus using different cardiac imaging techniques in transcatheter aortic valve implantation: agreement with finally implanted prosthesis size.

Aims: To compare the measurements of the aortic annulus obtained with various imaging techniques in patients with severe aortic stenosis scheduled for transcatheter aortic valve implantation, and to determine the grade of agreement between the predicted size of the prosthesis for each technique, and the size of the finally implanted valve.

Methods And Results: The aortic annulus was measured in 40 patients treated by transcatheter aortic valve implantation (CoreValve aortic valve) with transthoracic (TTE) and transesophageal echocardiography (TEE), 64-slice tomography, and angiography. A large valve was implanted when annulus was >23 mm and a small one if it was ≤23 mm.