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Purpose: Simulation-based education (SBE) provides experiential learning, improvement in quality of care, and reduction in errors. In 2011, the Association of American Medical Colleges described adoption of SBE in 68.0% of medical schools and 25.0% of teaching hospitals. We sought to examine current trends of SBE integration in American undergraduate medical education since previous publications., Methods: From 2016 to 2019, University of Texas Southwestern Medical Center postgraduate year 1 residents were invited to participate in a survey assessing medical school simulation experience with 26 clinical tasks from three categories: procedural, communication, and other. Deidentified results were analyzed to assess demographics including sex, specialty, residency program type, allopathic versus osteopathic medical school, and medical school region., Results: Nine hundred sixty-seven of 1047 (92.3%) responses were obtained, representing 139 US medical schools, 91% from allopathic training. Of procedural tasks, most simulated was suturing (n = 848, 89.6%) and least simulated was thoracentesis (n = 737, 80.9%). Of communication tasks, most simulated was taking a history (n = 475, 51.1% reporting simulation >30) and least simulated (never or ≤1) were obtaining a consent (n = 669, 73.2%) and disclosing a medical error (n = 666, 72.4%). Of other tasks, most simulated was chest compressions (n = 898, 96.0%) and least simulated was operating a defibrillator (n = 206, 22.1%). Results were similar regardless of procedural or nonprocedural program. There was no significant difference in SBE exposure between allopathic and osteopathic students ( P = 0.89). Two participants (0.002%) reported no simulation exposure., Conclusions: Our study is the first to describe a high prevalence of SBE adoption in medical schools nationwide since the Association of American Medical Colleges' 2011 publication, with overall equal exposure for students regardless of residency type and allopathic or osteopathic medical school. Despite widespread adoption of simulation, opportunities remain to expand SBE use to teach critically important communication skills., Competing Interests: The authors declare no conflict of interest., (Copyright © 2022 Society for Simulation in Healthcare.)

Background: Anatomical studies show that facial fat is partitioned into distinct compartments, with the nasolabial fat pad in a superficial compartment and the deep medial cheek fat in a deep compartment. Gross morphologic differences may exist between these fat depots, but this has never been established at the cellular level., Methods: Adipose tissue specimens from nasolabial fat and deep medial cheek fat pads were obtained from 63 cadaveric specimens (38 female and 25 male cadavers) aged 47 to 101 years (mean, 71 years). Thirty-seven cadavers had a normal body mass index (≤25 kg/m) and 26 cadavers had a high body mass index (>25 kg/m). Cross-sectional areas of individual adipocytes were calculated digitally and averaged from histologic sections of the adipose tissue samples., Results: The average adipocyte size of nasolabial fat is significantly (p < 0.0001) larger than that of deep medial cheek fat. The average adipocyte size in both nasolabial and deep medial cheek fat is significantly (p < 0.0001) larger in subjects with high compared with low body mass index. Although the overall average adipocyte size is significantly (p < 0.0001) larger in female than in male subjects, this sexual dimorphism is lost in the nasolabial fat depots of overweight subjects and in the deep medial cheek depots of normal-weight subjects., Conclusions: The significantly smaller adipocyte size in deep medial cheek fat relative to nasolabial fat in elderly subjects supports the theory that deep and superficial facial fat pads are morphologically different. Future investigation of the metabolic and structural properties of these fat compartments will help us understand the different patterns of volumetric facial aging.