Arrhythmia Detection in Atrioventricular, Single-Lead, Floating Atrial Dipole ICD Systems Compared with Conventional Single- and Dual-Chamber Defibrillators.

Background: An atrioventricular defibrillator system with a floating atrial dipole (VDD ICD) can provide atrial sensing by a single lead. Our aim was to compare the arrhythmia detection efficacy of VDD ICDs with conventional single- (VVI) and dual-chamber (DDD) defibrillators.

Methods: Data from consecutive patients undergoing ICD implantation were retrospectively analyzed.

Au-decorated SbSe photocathodes for solar-driven CO reduction.

Photoelectrodes with FTO/Au/SbSe/TiO/Au architecture were studied in photoelectrochemical CO reduction reaction (PEC CORR). The preparation is based on a simple spin coating technique, where nanorod-like structures were obtained for SbSe, as confirmed by SEM images. A thin conformal layer of TiO was coated on the SbSe nanorods ALD, which acted as both an electron transfer layer and a protective coating.

Comparison of TiO and ZnO for Heterogeneous Photocatalytic Activation of the Peroxydisulfate Ion in Trimethoprim Degradation.

The persulfate-based advanced oxidation process is a promising method for degrading organic pollutants. Herein, TiO and ZnO photocatalysts were combined with the peroxydisulfate ion (PDS) to enhance the efficiency. ZnO was significantly more efficient in PDS conversion and SO generation than TiO.

Ultrasound guidance for femoral venous access in patients undergoing pulmonary vein isolation: A quasi-randomized study.

Introduction: Routine ultrasound (US) guidance for femoral venous access to decrease vascular complications of atrial fibrillation (AF) ablation procedures has been advocated. However, the benefit has not been unequivocally demonstrated by randomized-trial data.

Methods: Consecutive patients undergoing pulmonary vein isolation (PVI) on uninterrupted anticoagulant treatment were included.

Is prophylactic ablation of the cavotricuspid and peri-incisional isthmus justified in patients with postoperative atrial flutter after right atriotomy?

Background: The two most common postoperative atrial flutter (AFL) circuits after right atriotomy are the cavotricuspid isthmus (CTI) dependent and the lateral, peri-incisional. We investigated whether radiofrequency ablation (RFA) of both circuits results in more favorable long-term outcomes.

Methods: Single-center retrospective cohort study of consecutive patients who underwent RFA of AFL after open-heart surgery.