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Left Atrial Appendage Occlusion in Patients With Atrial Fibrillation and Hemodialysis: An International, Multicentric Registry.

JACC Clin Electrophysiol

January 2025

Cardioangiologisches Centrum Bethanien, Agaplesion Markus-Krankenhaus, Frankfurt am Main, Germany.

Background: The net benefit of oral anticoagulation in patients with end-stage renal disease on hemodialysis (HD) is uncertain. In recent years, left atrial appendage closure (LAAC) has emerged as an alternative to oral anticoagulation; however, there is scant evidence of LAAC in patients on HD.

Objectives: This study aimed to assess the feasibility and safety of LAAC in patients on HD.

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Introduction: Veno-Arterial Extracorporeal Membrane Oxygenation (VA-ECMO) has emerged as a crucial component of critical care medicine, mainly as a lifesaving intervention for patients experiencing refractory cardiac arrest and respiratory failure.

Background: In the past, VA-ECMO decannulation was surgical and often associated with a high rate of periprocedural complications, such as surgical site infection, bleeding, and patient mobilization costs. To reduce the rate of these adverse events, many percutaneous techniques utilizing suture-mediated closing devices have been adopted.

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We present a case of spontaneous hemorrhage in an emphysematous bulla, complicated by anticoagulation. Bullous emphysema is a well-recognized complication of chronic obstructive pulmonary disease (COPD), and a rare manifestation is hemorrhage into preexisting pulmonary bullae. A 69-year-old male patient presented to the emergency department with hemoptysis, shortness of breath, and productive cough.

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Optical transceivers serve as the backbone of high-speed data transmission over optical fiber in communication systems and there is a constant challenge to keep cost and power consumption low while increasing data capacities. However, dispersion impairments introduced by the transmission of data over optical fiber, limit the baud rates and fiber reach. In this paper, we demonstrate a low loss, transmission-based grating device to compensate for dispersion up to 20 km by the concatenation of gratings where the operation occurs outside of the stopband in the region where transmissivity is high, and the normal dispersion magnitude is large.

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Background: Transcatheter closure of large and complex atrial septal defect can pose challenges and complications during device placement. To improve stability, several assistive techniques have been developed.

Methods: This retrospective study evaluated the efficacy of the device-assisted device closure technique for large secundum atrial septal defects.

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