Recommendations for the Post-Mortem Management of Cardiac Implantable Electronic Devices.

The management of cardiac implantable electronic devices after death has become a source of controversy. There are no uniform recommendations for such management in Brazil; practices rely exclusively on institutional protocols and regional custom. When the cadaver is sent for cremation, it is recommended to remove the device due to the risk of explosion and damage to crematorium equipment, in addition to other precautions.

Safety of Catheter Ablation of Atrial Fibrillation Under Uninterrupted Rivaroxaban Use.

Background: Atrial fibrillation (AF) ablation under uninterrupted warfarin use is safe and recommended by experts. However, there is some controversy regarding direct-acting oral anticoagulants for the same purpose.

Objective: To evaluate the safety of AF ablation under uninterrupted anticoagulation with rivaroxaban.

Cardiac resynchronization therapy restores muscular metaboreflex control.

Introduction: The muscular metaboreflex, whose activation regulates blood flow during isometric and aerobic exercise, is blunted in patients with heart failure (HF), and cardiac resynchronization therapy (CRT) may restore this regulatory reflex.

Objective: To evaluate metaboreflex responses after CRT.

Methods: Thirteen HF patients and 12 age-matched healthy control subjects underwent the following evaluations (pre- and post-CRT implantation in the patient group): (a) heart rate, blood pressure, and forearm blood flow measurements; (b) muscle sympathetic nerve activity (MSNA) evaluation; and (c) peak oxygen consumption (VO ).