To examine one health system's response to the essential care of its hip fracture population during the COVID-19 pandemic and report on its effect on patient outcomes.

Background Cardiovascular disease (CVD) annually claims more lives and costs more dollars than any other disease globally amid widening health disparities, despite the known significant reductions in this burden by low cost dietary changes. The world's first medical school-based teaching kitchen therefore launched CHOP-Medical Students as the largest known multisite cohort study of hands-on cooking and nutrition education versus traditional curriculum for medical students. Methods This analysis provides a novel integration of artificial intelligence-based machine learning (ML) with causal inference statistics. 43 ML automated algorithms were tested, with the top performer compared to triply robust propensity score-adjusted multilevel mixed effects regression panel analysis of longitudinal data. Inverse-variance weighted fixed effects meta-analysis pooled the individual estimates for competencies. Results 3,248 unique medical trainees met study criteria from 20 medical schools nationally from August 1, 2012, to June 26, 2017, generating 4,026 completed validated surveys. ML analysis produced similar results to the causal inference statistics based on root mean squared error and accuracy. Hands-on cooking and nutrition education compared to traditional medical school curriculum significantly improved student competencies (OR 2.14, 95% CI 2.00–2.28, p < 0.001) and MedDiet adherence (OR 1.40, 95% CI 1.07–1.84, p = 0.015), while reducing trainees' soft drink consumption (OR 0.56, 95% CI 0.37–0.85, p = 0.007). Overall improved competencies were demonstrated from the initial study site through the scale-up of the intervention to 10 sites nationally (p < 0.001). Discussion This study provides the first machine learning-augmented causal inference analysis of a multisite cohort showing hands-on cooking and nutrition education for medical trainees improves their competencies counseling patients on nutrition, while improving students' own diets. This study suggests that the public health and medical sectors can unite population health management and precision medicine for a sustainable model of next-generation health systems providing effective, equitable, accessible care beginning with reversing the CVD epidemic.

Overall, there is limited evidence on the efficacy of postoperative psychosocial interventions for improving functional recovery after anterior cruciate ligament reconstruction.

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Introduction: The number of female residents in orthopaedic surgery is rising; however, orthopaedics currently has the lowest percentage of women among all medical specialties. The Hirsch index (h-index) is a metric used to determine research productivity, an important factor for academic promotion in the field of orthopaedics. The purpose of this study was to compare research productivity (using the h-index) among male and female orthopaedic surgeons at academic residency programs within the United States. Methods: The websites for all Accreditation Council for Graduate Medical Education-accredited orthopaedic surgery residency programs in the United States were evaluated and the following information was collected: geographic region of the institution, sex, specialty, academic rank, and institutional leadership positions of faculty members. The h-index for each faculty member was collected from the Web of Science Database. Results: H-indices of 4,323 academic orthopaedic surgeons from 160 residency programs in the United States were collected. In total, 1,587 faculty members were assistant professors (220, 13.9% women), 839 were associate professors (91, 10.8% women), 902 were professors (50, 5.5% women), and academic rank was not specified for 991 (74, 7.5% women). One hundred forty-three faculty members held the position of department chair (2, 1.4% women) and 701 were division chiefs (58, 8.3% women). In geographic regions with a greater proportion of female orthopaedic faculty members, women had greater research productivity. Among Department Chairs, associate professors, and professors there was no difference in research productivity between male and female academic orthopaedic surgeons. By contrast, among assistant professors, there was a significant difference in research productivity. Conclusion: A higher proportion of female faculty in an orthopaedic department was positively associated with increased female research productivity. Female faculty at the highest ranks and leadership positions are as academically productive as their male counterparts. Despite similar research productivity, female orthopaedic surgeons are not nearly as well represented as their male counterparts in orthopaedics in general and in leadership positions within the field. In addition, a significantly smaller research productivity among female assistant professors disappears at the higher ranks in comparison to their male counterparts. This indicates a critical gap in factors that influence research productivity according to sex at the most junior faculty rank. Level of Evidence: Level III

Modern onlay implants and improved patient selection have allowed for recent improvements in short- and long-term outcomes after patellofemoral joint replacement surgery. Patellofemoral arthroplasty has become an increasingly utilized technique for the successful treatment of isolated patellofemoral arthritis. Advances in patient selection, implant design, and surgical technique have resulted in improved performance and longevity of these implants. Although short- and mid-term data for modern patellofemoral arthroplasties appear promising, further long-term clinical studies are needed to evaluate how new designs and technologies will affect patient outcomes and long-term implant performance.