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is fraction based on the Canada 1, Canada 2, and Malmo stop-screen trials are much wider than the previously reported incorrect 95% binomial confidence intervals. The 95% binomial-Poisson confidence intervals widen as follow-up time increases, an unappreciated downside of longer follow-up in stop-screen trials.

(1) Evaluate baseline airway knowledge of medical students (MSs) and internal medicine (IM) residents. (2) Improve MS and IM resident understanding of airway anatomy, general tracheostomy and laryngectomy care, and management of airway emergencies.

A before-and-after survey study was carried out over a single academic year. MS and IM resident knowledge was evaluated before and after an educational, grand rounds-style lecture reviewing airway anatomy, tracheostomy tube components, tracheostomy and laryngectomy care, and clinical vignettes. The primary outcome measure was change in pre- and postlecture survey scores.

Prelecture surveys were completed by 90 participants, and 83 completed a postlecture assessment. Postlecture scores were statistically improved for all questions on the assessment (

< .001). Level of training did not confer an improved pre- or postlecture survey score.

While the majority of participants in our study had previously cared for patients with a tracheostomy or laryngectomy, less than half were able to correctly address basic airway emergencies. Senior IM residents were no more proficient than MSs in addressing airway emergencies. The lack of formal airway training places patients at risk with routine care and in emergencies, demonstrating the need for formal airway education for early medical trainees.

Our data demonstrate a serious gap in MS and IM resident knowledge with respect to emergent airway care in patients with tracheostomies and laryngectomies. An interdepartmental collaborative curriculum offers a realistic and potentially life-saving solution for medical trainees.

Our data demonstrate a serious gap in MS and IM resident knowledge with respect to emergent airway care in patients with tracheostomies and laryngectomies. An interdepartmental collaborative curriculum offers a realistic and potentially life-saving solution for medical trainees.This study proposes and tests a multilevel mediation framework to explicate the processes that link servant leadership to frontline employees' service performance at both the employee and the branch levels of analysis. Data were obtained from 58 branch managers and 324 branch frontline employees of a chain restaurant in Taiwan. The results of hierarchical linear modelling indicate that two factors, concern climate and work engagement, mediate the relationship between branch managers' servant leadership and frontline employees' service performance; and that work engagement mediates the relationship between concern climate and such service performance. The theoretical and practical implications of these findings are considered, along with future research directions and the study's limitations.

Atrial fibrillation (AF) is the most common arrhythmia with adverse clinical outcomes. Aortic valve replacement (AVR) is one of the most frequently performed cardiac surgeries, although there is scarce evidence on arrhythmic outcomes. We aimed to evaluate AF during the first year post- isolated aortic valve replacement surgery and its clinical, analytical, and echocardiographic predictors.

Severe aortic stenosis patients with no prior atrial fibrillation submitted to isolated aortic valve replacement surgery were included in our study, of which 316 remained in sinus rhythm and 24 developed AF. We performed logistic regression searching for AF predictors and a longitudinal comparison between pre and post-operative echocardiographic data.

Postoperative AF (POAF), diabetes, and follow-up indexed Left Atrium Diameter (iLAD) were significantly higher in the group of patients developing AF. POAF and iLAD were independent AF predictors at follow-up. No differences between groups were found regarding baseline and follow-up echocardiographic data except for indexed Left Ventricle End-diastolic Diameter (LVED), which failed to decrease after surgery in the AF group.

POAF and iLAD independently predicted AF at 1 year following isolated AVR surgery in aortic stenosis patients with no AF history. iLVED did not decrease significantly at follow-up in AF patients, possibly reflecting adverse ventricular remodeling.

POAF and iLAD independently predicted AF at 1 year following isolated AVR surgery in aortic stenosis patients with no AF history. iLVED did not decrease significantly at follow-up in AF patients, possibly reflecting adverse ventricular remodeling.

The aim of this research was to use the Mehran risk score to classify elderly diabetics with coronary heart disease to assess the preventive effect of trimetazidine on contrast-induced nephropathy (CIN) after percutaneous coronary intervention (PCI) in different risk population.

An uncompromised of 760 elderly diabetics that went through PCI were included in this research. The patients were first divided into three groups in the light of MRS low-risk, moderate-risk, and high-risk group, then randomized into trimetazidine group and the control group respectively. The first endpoint was the amount of CIN, which is described as a rise in serum creatinine levels by ⩾44.2 μmol/L or ⩾25% ratio within 48 or 72 hours after medication. Second endpoint included differences in creatinine clearance rate (CrCl), blood urea nitrogen (BUN), serum creatinine (Scr), cystatin-C (Cys-C), and the incidence of major adverse events after administration.

In the three groups, the incidence of CIN in trimetazidine and control group was 5.0% versus 4.9%(χ

 = 0.005, p > 0.05), 8.0% versus 18.0% (χ

 = 7.685, p < 0.05), 10.4% versus 27.1% (χ

 = 4.376, p < 0.05), respectively. The multivariable logistic regression result demonstrated that trimetazidine intervention was a profitable element of CIN in moderate and high-risk groups (OR = 0.294, 95% CI 0.094-0.920, p = 0.035).

Our study confirmed that trimetazidine can be considered for preventive treatment of CIN occurrence in elderly diabetics with moderate and high-risk population, while there is no obvious advantage compared with hydration therapy in low-risk patients.

Our study confirmed that trimetazidine can be considered for preventive treatment of CIN occurrence in elderly diabetics with moderate and high-risk population, while there is no obvious advantage compared with hydration therapy in low-risk patients.Drug re-purposing might be a fast and efficient way of drug development against the novel coronavirus disease 2019 caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). We applied a bioinformatics approach using molecular dynamics and docking to identify FDA-approved drugs that can be re-purposed to potentially inhibit the non-structural protein 9 (Nsp9) replicase and spike proteins in SARS-CoV-2. We performed virtual screening of FDA-approved compounds, including antiviral, anti-malarial, anti-parasitic, anti-fungal, anti-tuberculosis, and active phytochemicals against the Nsp9 replicase and spike proteins. Selected hit compounds were identified based on their highest binding energy and favorable absorption, distribution, metabolism and excretion (ADME) profile. Conivaptan, an arginine vasopressin antagonist drug exhibited the highest binding energy (-8.4 Kcal/mol) and maximum stability with the amino acid residues present at the active site of the Nsp9 replicase. EVP4593 NF-κB inhibitor Tegobuvir, a non-nucleoside inhibitor of the hepatitis C virus, also exhibited maximum stability along with the highest binding energy (-8.1 Kcal/mol) at the active site of the spike proteins. Molecular docking scores were further validated by molecular dynamics using Schrodinger, which supported the strong stability of ligands with the proteins at their active sites through water bridges, hydrophobic interactions, and H-bonding. Our findings suggest Conivaptan and Tegobuvir as potential therapeutic agents against SARS-CoV-2. Further in vitro and in vivo validation and evaluation are warranted to establish how these drug compounds target the Nsp9 replicase and spike proteins.

Education regarding death diagnosis is not often included in the medical education.

To investigate the change minds at the time of death diagnosis among residents after lectures based on our guidebook.

Uncontrolled, open-label, multi-center trial.

A total of 131 doctors undergoing their initial training were enrolled this study.

Questionnaires were administered to volunteers before and after the lecture by the clinical training instructor presented information regarding doctors' behaviors at the death diagnosis based on our guidebook at each hospital.

The subjects had an average age of 27.1 years and comprised 76 men (58.0%) and 54 women (41.2%). A total of 83 subjects (63.4%) had learned how to diagnose death as medical students, and 52 subjects (39.7%) had experienced death diagnosis scenes as medical students. Among those who had difficulties related to death diagnoses, the highest number (88.4%) indicated that "I do not know what to say to the family after a death diagnosis". Self-evaluation significantly increased after the lecture for many items concerning explanations to and considerations of the family the effect size for "Give words of comfort and encouragement to family" increased significantly after the lecture to 0.9.

Few of the residents felt that they had received education regarding death diagnoses; they reported difficulties with diagnosing death and responding to patients' families. After the lecture using our guidebook, residents' mind changed significantly for death diagnosis, suggesting that the guidebook at the time of death diagnosis may be useful.

Few of the residents felt that they had received education regarding death diagnoses; they reported difficulties with diagnosing death and responding to patients' families. After the lecture using our guidebook, residents' mind changed significantly for death diagnosis, suggesting that the guidebook at the time of death diagnosis may be useful.

To provide a resource to educate clinical decision makers about the analyses and models that can be employed to support data-driven choices.

Published studies and literature regarding decision analysis, decision trees, and models used to support clinical decisions.

Decision models provide insights into the evidence and its implications for those who make choices about clinical care and resource allocation. Decision models are designed to further our understanding and allow exploration of the common problems that we face, with parameters derived from the best available evidence. Analysis of these models demonstrates critical insights and uncertainties surrounding key problems via a readily interpretable yet quantitative format. This 11th installment of the Evidence-Based Medicine in Otolaryngology series thus provides a step-by-step introduction to decision models, their typical framework, and favored approaches to inform data-driven practice for patient-level decisions, as well as comparative assessments of proposed health interventions for larger populations.