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Purpose: To describe the demographics of pediatric dentistry department chairs in the United States and Canada, characterize the skills and abilities required for the job, understand how they spent their time, and identify their professional development needs. Methods: An electronic survey was sent to 88 department chairs about personal demographics, leadership, management and personal qualities important for the job, and professional developmental needs. The data were analyzed using descriptive statistics. Results: The response rate was 62.5 percent. The respondents' mean age was 54.5 years (±8.9 years standard deviation); 68.2 percent of respondents were male, and 57 percent were Caucasian non-Hispanic. Most obtained their dental degree and specialty training in the USA, and 85 percent were board certified. They worked an average of 49.4 hours a week, spending a lot of time dealing with communications, teaching, and administrative materials. More than 80 percent lacked clear job expectations provided to them or they were only reviewed verbally. A minority (10.8 percent) was dissatisfied or very dissatisfied with the job. Conclusions: Most chairs were Caucasian, male, challenged by faculty and administrative issues and received no clear expectations for the job but were satisfied overall. Developing leadership and mentorship skills were important for the job execution.

Background The optimal access for patients undergoing transcatheter aortic valve replacement (TAVR) who are not candidates for a transfemoral approach has not been elucidated. The purpose of this study was to compare the safety, feasibility, and early clinical outcomes of transcarotid TAVR compared with thoracic approaches. Methods and Results From a multicenter consecutive cohort of 329 alternative-access TAVR patients (2012-2017), we identified 101 patients who underwent transcarotid TAVR and 228 patients who underwent a transapical or transaortic TAVR. Preprocedural success and 30-day clinical outcomes were compared using multivariable propensity score analysis to account for between-group differences in baseline characteristics. All transcarotid cases were performed under general anesthesia, mainly using the left common carotid artery (97%). Propensity-matched groups had similar rates of 30-day all-cause mortality (2.1% versus 4.6%; P=0.37), stroke (2.1% versus 3.5%; P=0.67; transcarotid versus transapical/transaortic, respectively), new pacemaker implantation, and major vascular complications. Transcarotid TAVR was associated with significantly less new-onset atrial fibrillation (3.2% versus 19.0%; P=0.002), major or life-threatening bleeding (4.3% versus 19.9%; P=0.002), acute kidney injury (none versus 12.1%; P=0.002), and shorter median length of hospital stay (6 versus 8 days; P<0.001). Conclusions Transcarotid vascular access for TAVR is safe and feasible and is associated with encouraging short-term clinical outcomes. Our data suggest a clinical benefit of transcarotid TAVR with respect to atrial fibrillation, major bleeding, acute kidney injury, and length of stay compared with the more invasive transapical or transaortic strategies. Randomized studies are required to ascertain whether transcarotid TAVR yields equivalent results to other alternative vascular access routes.

Objectives: The aims of this registry were to determine the incidence, predictors, and prognostic value of periprocedural acute kidney injury (AKI) after left atrial appendage closure (LAAC)., Background: No data exist on the occurrence of AKI after LAAC., Methods: A total of 355 patients undergoing LAAC were included in the study. AKI was defined as an absolute or a relative increase in serum creatinine of >0.3 mg/dl or ≥50%, respectively, after the procedure or the need for hemodialysis during index hospitalization., Results: The incidence of AKI was 9%, and patients with worse baseline renal function were at higher risk for developing AKI (odds ratio: 1.32; 95% confidence interval [CI]: 1.09 to 1.61; p = 0.004 for each 10 ml/min decrease in glomerular filtration rate). In-hospital bleeding events occurred more frequently in the AKI group (5.3% vs. 15.6%; p = 0.037). After a median follow-up period of 18 months, patients in the AKI group had higher mortality (hazard ratio [HR]: 2.59; 95% CI: 1.36 to 4.92; p = 0.004), more embolic events (HR: 6.14; 95% CI: 2.23 to 16.92; p = 0.001) and major bleeding events (HR: 2.36; 95% CI: 0.89 to 6.24; p = 0.083). The occurrence of AKI was an independent predictor of midterm mortality (HR: 2.00; 95% CI: 1.02 to 3.91; p = 0.044)., Conclusions: The occurrence of AKI was relatively frequent following LAAC, and patients with lower renal glomerular filtration rates were at high risk for developing this complication. AKI identified a group of patients with worse midterm outcomes, highlighting the importance of further preventive strategies in this population., (Copyright © 2018 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.)