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Background: The outbreak of Coronavirus disease (COVID-19) caused by a novel coronavirus (named SARS-CoV-2) has gained attention globally and has been recognized as a Public Health Emergency of International Concern (PHEIC) by the World Health Organization (WHO) due to the rapidly increasing number of deaths and confirmed cases. Health care workers (HCWs) are vulnerable to this crisis as they are the first frontline to receive and manage COVID-19 patients. In this multicenter multinational survey, we aim to assess the level of awareness and preparedness of hospital staff regarding COVID-19 all over the world. Methods: From February to March 2020, the web-based or paper-based survey to gather information about the hospital staff's awareness and preparedness in the participants' countries will be carried out using a structured questionnaire based on the United States Centers for Disease Control and Prevention (CDC) checklist and delivered to participants by the local collaborators for each hospital. As of March 2020, we recruited 374 hospitals from 58 countries that could adhere to this protocol as approved by their Institutional Review Boards (IRB) or Ethics Committees (EC). Discussion: The awareness and preparedness of HCWs against COVID-19 are of utmost importance not only to protect themselves from infection, but also to control the virus transmission in healthcare facilities and to manage the disease, especially in the context of manpower lacking and hospital overload during the pandemic. The results of this survey can be used to inform hospitals about the awareness and preparedness of their health staff regarding COVID-19, so appropriate policies and practice guidelines can be implemented to improve their capabilities of facing this crisis and other future pandemic-prone diseases., Frontiers in Public Health, 9, art. no. 580427; 2021

Background Postoperative atrial fibrillation (POAF) is a common complication after cardiac surgery and can lead to increased risk of postoperative adverse events. However, atrial fibrillation and postoperative adverse events are preventable. In this study, a risk index was developed to predict atrial fibrillation after cardiac surgery. Methods A prospective cohort study of 405 patients who had undergone adult cardiac surgery from 2015 September to 2016 August at Heart Institute of HCMC and Cho Ray Hospital were obtained. In order to predict POAF, a logistic regression model was developed, and a risk score was derived and validated by bootstrap. Results In our study, 98 patients developed POAF (24.2%). The risk score included three significant risk factors (age ≥ 60, left atrial diameter > 41 mm, Coronary Artery Bypass Graft with concomitant mitral valve replacement or repair) that were consistent with other reports. Each of these risk factors was assigned one point. The total risk score ranges from 0 to 3 (AUC = 0.69, 95% CI: 0.63–0.75) with the best cutoff point at 1. According to this scoring system, the incidences of POAF in patients associated with each score of 0, 1, 2, and 3 were 8.6%, 30.1%, 40.8%, and 58.3% respectively. Bootstrapping with 5000 samples confirmed the final model provided was consistent with predictions. Conclusions We developed and validated a simple risk score based on clinical variables that can be obtained before surgery in order to accurately predict the risk of POAF in patients undergoing cardiac surgery.

Background: Atrial fibrillation is the most common complication after cardiac surgery and is associated with an increased risk of postoperative adverse events. The objective of this study was to develop a risk index to predict atrial fibrillation after cardiac surgery. Methods: We performed a prospective cohort study. A total of 405 patients who had undergone adult cardiac surgery from 2015 September to 2016 August at Heart Institute of HCMC and Cho Ray Hospital. Results: In the overall, 98 patients developed POAF (24.2%). The risk score included three significant risk factors (age, left atrial diameter > 41mm, Coronary Artery Bypass Graft with concomitant mitral valve replacement or repair). The point values for were 1 for the age  60, 1 for CABG with concomitant mitral valve replacement or repair and 1 for left atrial diameter > 41mm, and the total risk score ranges from 0 to 3 (AUC = 0.69, 95% CI: 0.63 – 0.75), the best cutoff point was 1 The incidences of POAF associated with scores were: patient with a score of 0, predicted probabilities of POAF was 8.6%; a score of 1: 30.1%; a score of 2: 40.8%; a score of 3: 58.3%. Bootstrapping with 5,000 samples confirmed the final model provided consistent predictions. Conclusions: We developed a simple risk score based on clinical variables and these variables can be collected easily before surgery. This risk score may help accurately stratifies the risk of POAF to identify patients at high risk of POAF before cardiac surgery.

The recent outbreak of respiratory illness caused by a novel coronavirus (named “COVID-2019”) has gained attention globally and has been recognized as a serious public health threat by US Centers for Disease Control and Prevention (CDC). The first case was detected in Wuhan City, Hubei Province, China and since then, the disease has spread rapidly. As of February 28, 2020, the World Health Organization (WHO) declared that the outbreak of COVID-2019 as a Public Health Emergency of International Concern (PHEIC) with 62 countries now reporting 85,176 confirmed cases (79,250 of which have been in mainland China) and 2,919 deaths to date. However, information about the health systems and health professionals’ preparedness for combating the 2019-nCoV is not known. Therefore, their awareness and preparedness in managing the 2019-nCoV infection are important to prevent the further spread of the disease. This is a multicenter multinational survey aiming to assess the level of preparedness of hospital staff and practices regarding COVID-2019 all over the world and their preparedness to deal with the outbreak. It will also measure the level of awareness of hospital staff about the crisis and how will they react to limit and prevent further transmission.