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Rationale and Objectives Limited exposure to radiology by medical students can perpetuate negative stereotypes and hamper recruitment efforts. The purpose of this study is to understand medical students’ perceptions of radiology and how they change based on medical education and exposure. Materials and Methods A single-institution mixed-methods study included four groups of medical students with different levels of radiology exposure. All participants completed a 16-item survey regarding demographics, opinions of radiology, and perception of radiology stereotypes. Ten focus groups were administered to probe perceptions of radiology. Focus groups were coded to identify specific themes in conjunction with the survey results. Results Forty-nine participants were included. Forty-two percent of participants had positive opinions of radiology. Multiple radiology stereotypes were identified, and false stereotypes were diminished with increased radiology exposure. Opinions of the impact of artificial intelligence on radiology closely aligned with positive or negative views of the field overall. Multiple barriers to applying for a radiology residency position were identified including board scores and lack of mentorship. COVID-19 did not affect perceptions of radiology. There was broad agreement that students do not enter medical school with many preconceived notions of radiology, but that subsequent exposure was generally positive. Exposure both solidified and eliminated various stereotypes. Finally, there was general agreement that radiology is integral to the health system with broad exposure on all services. Conclusion Medical student perceptions of radiology are notably influenced by exposure and radiology programs should take active steps to engage in medical student education.

Background Patients’ psychological health may influence recovery and functional outcomes after total knee arthroplasty (TKA). Pain catastrophizing, known to be associated with poor function following TKA, encompasses rumination, magnification, and helplessness that patients feel toward their pain. Resilience, however, is an individual's ability to adapt to adversity and may be an important psychological construct that supersedes the relationship between pain catastrophizing and recovery. In this study we sought to identify whether pre-operative resilience is predictive of 3-month postoperative outcomes after adjusting for pain catastrophizing and other covariates. Methods Patients undergoing TKA between January 2019 and November 2019 were included in this longitudinal cohort study. Demographics and questionnaires [Brief Resilience Scale (BRS), Pain Catastrophizing Scale (PCS), Knee injury and Osteoarthritis Outcome Score, Junior (KOOS, JR.) and Patient-Reported Outcomes Measurement Information System Physical and Mental Health (PROMIS PH and MH, respectively)] were collected preoperatively and 3 months postoperatively. Multivariable regression was used to test associations of preoperative BRS with postoperative outcomes, adjusting for PCS and other patient-level sociodemographic and clinical characteristics. Results The study cohort included 117 patients with a median age of 67.0 years (Q1–Q3: 59.0–72.0). Fifty-three percent of patients were women and 70.1% were white. Unadjusted analyses identified an association between resilience and post-operative outcomes and the relationship persisted for physical function after adjusting for PCS and other covariates; in multivariable linear regression analyses, higher baseline resilience was positively associated with better postoperative knee function (β = 0.24, p = 0.019) and better general physical health (β = 0.24, p = 0.013) but not general mental health (β = 0.04, p = 0.738). Conclusions Our prospective cohort study suggests that resilience predicts postoperative knee function and general physical health in patients undergoing TKA. Exploring interventions that address preoperative mental health and resilience more specifically may improve self-reported physical function outcomes of patients undergoing TKA.

Juvenile male rats frequently play more than female rats, but the presence of sex differences is affected by testing conditions and may also depend on the strain of rat. In this experiment, we tested play and defensive behaviors in male and female Long-Evans, Sprague-Dawley, and Wistar rats. When observed with a cage mate during the juvenile period, Long-Evans rats played more than Wistar animals, but there were no sex differences in any strain. When tested with an unfamiliar sibling (not seen since weaning), both Long-Evans and Wistar rats played more than Sprague-Dawley animals, and Long-Evans females played more than males. We did not observe any sex or strain differences in defensive behaviors. Our data indicate that there are strain differences in play behavior, and sex differences in play depend on both strain and context. Variation among strains may reflect underlying differences in anxiety, novelty seeking, and circadian rhythms.

OBJECTIVES/GOALS: Patient beliefs and goals can facilitate discussion of recovery expectations, patient-provider collaboration and maximization of goal achievement. In this study, we sought to address an evidence gap and examine the association of preoperative self-assessment of goals with preoperative and 6-week knee function and gait speed among total knee arthroplasty (TKA) patients. METHODS/STUDY POPULATION: We conducted a secondary analysis of data from the VERITAS randomized, controlled trial conducted from 11/2016-03/2018 that included adults age ≥ 18 years with scheduled and completed unilateral TKA followed by post-surgical physical therapy. Patients rated their ability to perform various activities of daily living goals scaled from 0 (unable to perform) to 10 (full performance). Patients were categorized by pre-surgical (baseline) goal rating: low = 0-2, intermediate = 3-4, and high = 5-10. Outcomes including gait speed and the KOOS were assessed within 10 days prior to surgery and 6-weeks post-surgery. Descriptive statistics and outcomes were compared for patients by preoperative goal rating using Chi-square or Fisher’s exact tests and ANOVA or Kruskal-Wallis tests as appropriate. RESULTS/ANTICIPATED RESULTS: Of 288 patients (mean age 65±8; 62.5% women; 82% white), 102 had a low goal rating (GR), 86 intermediate, and 99 high. Patients with low GR preoperatively generally had lower baseline mean scores than intermediate and high GR patients, respectively, on the KOOS (33.9/35.6/39.8; p

OBJECTIVES/SPECIFIC AIMS: The aim of the present study is to explore the relationships between resilience, pain catastrophizing, and functional outcomes in pre-and post-operative TKR patients. The primary outcome is the ability of the Brief Resilience Scale (BRS) to predict function using the Knee injury and Osteoarthritis Outcome Score Joint Replacement (KOOS, JR.) and overall health on the Patient-Reported Outcome Measurement Information System Global Health (PROMIS GH). METHODS/STUDY POPULATION: Recruited patients will provide informed consent during in-person office visits. At the pre-surgery intake appointment, patients will provide demographic information and complete baseline questionnaires assessing resilience, pain catastrophizing, knee stiffness, pain, and function, and impression of overall health. In-person or electronic follow-up assessments will be administered post-surgery at 6-week, 3-month, and 6-month appointments. RESULTS/ANTICIPATED RESULTS: We aim to recruit 150 patients for this study. We do not expect a difference in sociodemographic characteristics of the patient sample. P-values will be based on t-tests and correlations calculated by comparing only non-missing values. Each outcome measure will be examined at each time point and trajectories will be calculated to determine the change in each outcome over time. Using latent class growth modeling we will examine individual change over time for each outcome (BRS, PCS, PROMIS GH, and KOOS JR.), and the association of resilience and pain with change in function (KOOS, JR. total score) and overall health (PROMIS GH). DISCUSSION/SIGNIFICANCE OF IMPACT: To our knowledge, this is the only known study that will compare resilience, pain catastrophizing and longitudinal health outcomes in a single paradigm. Results will hopefully inform the design and implementation of future studies that will assess the impact of preoperative treatment of vulnerable patients. The ultimate goal is to improve functional recovery by using pre-identified psychological constructs as intervention points. Ideally, the same measures would be implemented, however, details of this plan will be established following completion of this study.