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Aortic stenosis (AS) is a serious and complex condition, for which optimal management continues to evolve rapidly. An understanding of current clinical practice guidelines is critical to effective patient care and shared decision-making. This state of the art review of the 2021 European Society of Cardiology/European Association for Cardio-Thoracic Surgery Guidelines and 2020 American College of Cardiology/American Heart Association Guidelines compares their recommendations for AS based on the evidence to date. The European and American guidelines were generally congruent with the exception of three key distinctions. First, the European guidelines recommend intervening at a left ventricular ejection fraction of 55%, compared with 60% over serial imaging by the American guidelines for asymptomatic patients. Second, the European guidelines recommend a threshold of ≥65 years for surgical bioprosthesis, whereas the American guidelines employ multiple age categories, providing latitude for patient factors and preferences. Third, the guidelines endorse different age cut-offs for transcatheter vs. surgical aortic valve replacement, despite limited evidence. This review also discusses trends indicating a decreasing proportion of mechanical valve replacements. Finally, the review identifies gaps in the literature for areas including transcatheter aortic valve implantation in asymptomatic patients, the appropriateness of Ross procedures, concomitant coronary revascularization with aortic valve replacement, and bicuspid AS. To summarize, this state of the art review compares the latest European and American guidelines on the management of AS to highlight three areas of divergence: timing of intervention, valve selection, and surgical vs. transcatheter aortic valve replacement criteria., Competing Interests: Conflict of interest: G.B.-Z. has consulted for Cardionovum, Crannmedical, Innovheart, Guidotti, Meditrial, Opsens Medical, Replycare, Teleflex, and Terumo. D.Y.T. has consulted for Medtronics Inc (Canada) and Edwards Life Sciences (Canada). M.G. has received research grants from the Canadian Institute of Health Research and the National Institute of Health. S.F. has received grants from the the Canadian Institute of Health Research and is the site co-Principal Investigator for the Medtronic SURTAVI, Medtronic Low Risk, and Boston NeoAccurate IDE trials. The other authors have no conflicts to disclose., (© The Author(s) 2023. Published by Oxford University Press on behalf of the European Society of Cardiology. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)

Objective: To determine whether sociodemographic and clinical factors were associated with nonelective readmission within 30 days of hospitalization for traumatic brain injury (TBI). Secondary objectives were to examine the effects of TBI severity on readmission and characterize primary reasons for readmission., Setting: Hospitalized patients in the United States, using the 2014 Nationwide Readmission Database., Participants: All patients hospitalized with a primary diagnosis of TBI between January 1, 2014, and November 30, 2014. We excluded patients (1) with a missing or invalid length of stay or admission date, (2) who were nonresidents, and 3) who died during their index hospitalization., Design: Observational study; cohort study., Main Measures: Survey weighting was used to compute national estimates of TBI hospitalization and nonelective 30-day readmission. Associations between sociodemographic and clinical factors with readmission were assessed using unconditional logistic regression with and without adjustment for suspected confounders., Results: There were 135 542 individuals who were hospitalized for TBI; 8.9% of patients were readmitted within 30 days of discharge. Age (strongest association for 65-74 years vs 18-24 years: adjusted odds ratio [AOR], 2.57; 95% CI: 2.02-3.27), documentation of a fall (AOR, 1.24; 95% CI: 1.13-1.35), and intentional self-injury (AOR, 3.13; 95% CI: 1.88-5.21) at the index admission were positively associated with readmission. Conversely, history of a motor vehicle (AOR, 0.69; 95% CI: 0.62-0.78) or cycling (AOR, 0.56; 95% CI: 0.40-0.77) accident was negatively associated with readmission. Females were also less likely to be readmitted following hospitalization for a TBI (AOR, 0.87; 95% CI: 0.82-0.92)., Conclusions: Many sociodemographic and clinical factors were found to be associated with acute readmission following hospitalizations for TBI. Future studies are needed to determine the extent to which readmissions following TBI hospitalizations are preventable., Competing Interests: The authors declare no conflicts of interest., (Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.)

Background: Operator characteristics and outcome relationships have not been evaluated at the individual operator level., Methods: From New York State Department of Health Statewide Planning and Research Cooperative System, 5896 elective transfemoral transcatheter aortic valve replacement (TAVR) procedures performed by 161 operators between 2012 and 2016 were analyzed. We examined the following characteristics of the primary operator: specialty (surgery vs cardiology), sex, medical school location, experience of cardiology practice, interventional cardiology credentialing, past-year TAVR volume, and first year performing TAVR in New York State. The primary outcome was a composite of inhospital mortality, stroke, and acute myocardial infarction., Results: After adjusting for patient and other provider characteristics, there was no significant difference in the risk of major events between surgeons and cardiologists in performing TAVR (3.4% vs 3.6%, P = .60), between male operators and female operators (P = .80), and between operators who graduated from a US medical school and operators educated outside the United States (3.4% vs 3.6%, P = .73). In the subgroup analysis, interventional cardiology credentialing was not significantly associated with the inhospital major events (odds ratio 1.03; 95% confidence interval, 0.56 to 1.88; P = .80)., Conclusions: Primary operator specialty and other characteristics for TAVR were not associated with a difference in risk-adjusted inhospital outcomes. That may be due to the heart team model that allows proceduralists of different backgrounds to lend their expertise to the procedure., (Copyright © 2021 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)

The PedNIHSS quantifies stroke severity using a child-specific version of the National Institutes of Health Stroke Score.