A Multicenter Study Assessing the Optimal Anticoagulation Strategies in COVID-19 Critically Ill Patients with New-Onset Atrial Fibrillation: Balancing Effectiveness and Safety.

Purpose: To evaluate the effectiveness and safety of anticoagulation regimens in COVID-19 critically ill patients with new-onset Atrial fibrillation (Afib) during their intensive care unit (ICU) stays.

Methods: A multicenter, retrospective cohort study included critically ill patients with COVID-19 admitted to the ICUs. Patients with new-onset Afib were categorized into two groups based on anticoagulation doses (Prophylaxis vs Treatment).

Awareness of Medical Professionals Regarding Research Ethics in a Tertiary Care Hospital in Riyadh, Saudi Arabia: A Survey to Assess Training Needs.

Background: Ethics is an essential component of human research, and knowledge and awareness of ethical guidelines are required to conduct research involving human subjects and ensure the participants' safety.

Objectives: To investigate medical professionals' and researchers' knowledge of national and international research ethics guidelines, key principles in human research projects, ethical issues in different types of research, the importance of informed consent, and institutional review boards.

Materials And Methods: A cross-sectional study with 251 participants, including physicians, nurses, and researchers from three different research centers and hospitals in Riyadh city, was carried out using an electronic self-structured questionnaire.