Case Report: Primary Cutaneous Histoplasmosis in an Immunocompetent Patient After Cosmetic Injection of Platelet-Rich Plasma Treated with Trimethoprim-Sulfamethoxazole.

BACKGROUND Histoplasmosis is typically associated with immunocompromised individuals, but cases in immunocompetent patients are rare. Primary cutaneous histoplasmosis (PCH) is a challenging diagnosis due to its clinical polymorphism and can mimic other infectious and non-infectious diseases. Previous cases of PCH have been reported in immunocompetent patients with underlying medical conditions or trauma history. So far there have been no reports of PCH after platelet-rich plasma (PRP) application due to inadequate hygiene measures in an immunocompetent host. CASE REPORT This case report presents a rare occurrence of PCH following a cosmetic procedure (PRP injection) in an immunocompetent patient. The patient developed nodule-like lesions at the application sites, which progressed to ulceration with purulent discharge. Initially, atypical mycobacterial infection was suspected, and empirical antibiotic therapy was initiated. Complementary tests were performed, ruling out immunosuppression and systemic pathogens. The patient showed complete resolution of the lesions after one month of atypical treatment with trimethoprim-sulfamethoxazole (TMP/SMX). Pathological examination confirmed the diagnosis of PCH with intracytoplasmic inclusions of Histoplasma sp. CONCLUSIONS This case highlights the importance of considering histoplasmosis as a diagnostic possibility, especially in hyperendemic areas like Venezuela. Direct inoculation of Histoplasma sp. after aesthetic procedures without proper hygiene measures can lead to pathological lesions, even in immunocompetent individuals. TMP/SMX can be considered as an alternative treatment option in the absence of the first-line medication. Further exploration of this treatment approach may benefit patients with similar clinical conditions or when ideal treatment options are unavailable.

Efeito do desenho de preparo e do material restaurador na distribuição de tensões, sobrevivência e carga média de fratura em fadiga de restaurações do tipo overlay / Effect of preparation desings and restorative material on the fatigue behavior and stress distribution of complete coverage onlays

Este estudo avalia o comportamento em fadiga e distribuição de tensões de três desenhos de preparo para overlays (n=21) (com preparo de istmo [IST], com preparo não retentivo [nRET] e sem preparo de istmo [sIST]) e o efeito do material restaurador (resina composta [Tetric CAD] e cerâmica vítrea reforçada por leucita [Empress CAD]) cimentados sobre resina epóxi G10. Com o objetivo de determinar os perfis de carregamento para o ensaio de vida acelerado step-stress (SSALT)), três espécimes de cada grupo foram testados monotônicamente, e os demais foram ensaiados até a fratura, em uma máquina de simulação de mastigação. O número de ciclos e a respectiva carga em que cada espécime falhou foi utilizado para análise de sobrevivência, assim como os dados de espécimes sobreviventes ao teste. Foi realizada a análise de probabilidade Weibull. O modo de falha dos espécimes foi avaliado por estereomicroscopia e microscopia eletrônica de varredura. O comportamento biomecânico foi avaliado utilizando a análise por elementos finitos, e a distribuição de tensão foi avaliada considerando os modelos isotrópicos, linearmente elásticos e homogêneos; uma carga axial (200 N) foi aplicada à superfície oclusal dos molares. A concentração de tensão nas restaurações, interfaces adesivas e estrutura dental foi analisada pelo critério de Tensão Máxima Principal. Houve diferença estatística no SSALT entre nRET-RC (1840,46N) e os demais grupos de estudo, no FEA os grupos LEU absorveram maiores picos de tensão e RC os menores. Os diferentes desenhos de preparo para overlay influenciam a resistência à fratura e a distribuição de tensões em restaurações de cerâmica reforçada com leucita e resina composta para CAD/CAM.(AU)

This study assessed the fatigue behavior and stress distribution of three preparation designs for overlays (n=21) (with isthmus preparation [IST], with non-retentive preparation [nRET], and without isthmus preparation [sIST]) and the effect of the restorative material (composite resin [Tetric CAD] and leucite-reinforced glass ceramic [Empress CAD]) cemented on G10 epoxy resin. To determine the loading profiles for the step-stress accelerated life test (SSALT), three specimens from each group were tested monotonically, and the remainder were tested until fracture, in a chewing simulation machine. The number of cycles and the corresponding load at which each specimen failed were used for survival analysis, along with data from surviving specimens. Weibull probability analysis was performed. The failure mode of the specimens was evaluated through stereomicroscopy and scanning electron microscopy. Biomechanical behavior was assessed using finite element analysis, and stress distribution was evaluated considering isotropic, linearly elastic, and homogeneous models; an axial load (200 N) was applied to the occlusal surface of the molars. Stress concentration in restorations, adhesive interfaces, and dental structure was analyzed using the Maximum Principal Stress criterion. There was a statistical difference in SSALT between nRET-RC (1840.46N) and the other study groups. In FEA, the LEU groups absorbed higher stress peaks, and RC groups absorbed lower ones. The different preparation designs for overlays influence the fracture resistance and stress distribution in leucite-reinforced ceramic and composite resin restorations for CAD/CAM.(AU)

Disadvantaged Students Utilize School Campus and Its Resources More Than Non-disadvantaged Students.

Introduction Disadvantaged populations were disproportionately affected by the COVID-19 pandemic, both in the medical and educational settings. Lower-income families often do not have a laptop/desktop computer, adequate internet connection, or a dedicated study space. This unfortunately contributed to poorer academic performance during distance learning. To combat this, the Kirk Kerkorian School of Medicine (KKSOM) did not close down campus during the pandemic. This study analyzes the utilization of campus and live Zoom lectures by KKSOM students and its impact on educational outcomes. Methods We sent an Institutional Review Board (IRB)-approved survey to KKSOM students and asked about study locations, Zoom lecture attendance, and relationship quality during the pandemic. The class of 2024 had a unique experience as they were first-year students during the start of the COVID-19 pandemic and the transition to online learning. However, they always had access to campus and technological resources. We compared the survey scores from a Qualtrics electronic survey and the National Board of Medical Examiners (NBME) scores of students who self-indicated disadvantaged status, first-generation, underrepresented minority, and lower socioeconomic status to those who did not meet these criteria. Data analysis was done using SPSS software version 28.0.1.1 (IBM Corp., Armonk, NY). Results  First-generation students studied on campus more frequently than their counterparts (31% versus 20%, p < 0.05) and less at home in general (55.4% versus 67.5%, p < 0.05). Lower socioeconomic status (SES) students attended live Zoom lectures more often as well (56.6% versus 43.1%, p < 0.05). Lastly, no significant differences were found between disadvantaged and non-disadvantaged groups for the class of 2024 in the NBME exam scores or relationship quality scores. Conclusion Our results suggest that students from disadvantaged backgrounds spend more time studying on campus than at home. Additionally, during the COVID-19 pandemic, they attended live Zoom lectures more often than their non-disadvantaged counterparts. Access to campus was not restricted for KKSOM students during the pandemic. This may be one explanation for the lack of disparity between disadvantaged and non-disadvantaged students with regard to academic performance and relationship quality. This makes a strong argument for the importance of campus accessibility for the success of students, especially those from disadvantaged backgrounds.

The influence of a quick educational video intervention on COVID-19-related knowledge in Ecuador.

BACKGROUND: Coronavirus disease (COVID-19) is a pandemic that has spread worldwide. Since its discovery, health measures have been put in place to help stop it from spreading. Proper education about COVID-19 is important because it helps people to follow health control measures and learn more about the disease. OBJECTIVE: This study aimed to compare people´s knowledge of COVID-19 before and after a brief video-based educational intervention. METHODS: 87 participants in Ecuador were recruited from a dataset of COVID-positive patients in Ecuador between December 2021 and February 2022. This was a cross-sectional, pre- and post-intervention study. First, COVID-19 knowledge was evaluated and then an educational intervention was provided as a video. After the intervention, the same knowledge questions were used to test the participants, and marginal homogeneity-based chi-square tests were employed for comparison. RESULTS: After watching the educational video, participants knew more about the age group most likely to get the disease and their knowledge of how long it takes for Covid to spread. Their knowledge of other aspects of COVID-19 has also increased. CONCLUSION: This study shows that educational intervention positively affects the knowledge of people who watch it. At the end of the study, after the intervention, the study participants knew more than they had before. This could be a useful tool for identifying possible pandemics.

ViSHWaS: Violence Study of Healthcare Workers and Systems-a global survey.

OBJECTIVE: To provide insights into the nature, risk factors, impact and existing measures for reporting and preventing violence in the healthcare system. The under-reporting of violence against healthcare workers (HCWs) globally highlights the need for increased public awareness and education. METHODS: The Violence Study of Healthcare Workers and Systems study used a survey questionnaire created using Research Electronic Data Capture (REDCap) forms and distributed from 6 June to 9 August 2022. Logistic regression analysis evaluated violence predictors, including gender, age, years of experience, institution type, respondent profession and night shift frequency. A χ2 test was performed to determine the association between gender and different violence forms. RESULTS: A total of 5405 responses from 79 countries were analysed. India, the USA and Venezuela were the top three contributors. Female respondents comprised 53%. The majority (45%) fell within the 26-35 age group. Medical students (21%), consultants (20%), residents/fellows (15%) and nurses (10%) constituted highest responders. Nearly 55% HCWs reported firsthand violence experience, and 16% reported violence against their colleagues. Perpetrators were identified as patients or family members in over 50% of cases, while supervisor-incited violence accounted for 16%. Around 80% stated that violence incidence either remained constant or increased during the COVID-19 pandemic. Among HCWs who experienced violence, 55% felt less motivated or more dissatisfied with their jobs afterward, and 25% expressed willingness to quit. Univariate analysis revealed that HCWs aged 26-65 years, nurses, physicians, ancillary staff, those working in public settings, with >1 year of experience, and frequent night shift workers were at significantly higher risk of experiencing violence. These results remained significant in multivariate analysis, except for the 55-65 age group, which lost statistical significance. CONCLUSION: This global cross-sectional study highlights that a majority of HCWs have experienced violence, and the incidence either increased or remained the same during the COVID-19 pandemic. This has resulted in decreased job satisfaction.

The Benefits and Barriers of Using Point-of-Care Ultrasound in Primary Healthcare in the United States.

An effective healthcare system should embrace practices that enhance overall quality and productivity. Training primary care physicians in Point-of-Care Ultrasound (POCUS) has become part of the processes that improve the quality of patient care and serve to guide the diagnostic impression quickly and effectively. With the purpose of highlighting the applications and challenges of POCUS use in US primary health care, we conducted a narrative review based on PubMed-indexed and Cochrane Library English text publications searched in May-July 2022 using a combination of key terms including point of care ultrasound, primary care, and US healthcare. Many studies have shown that POCUS has a positive impact on fostering medical attention and reducing morbidity, mortality, and healthcare costs. Besides assisting in procedures, POCUS has a head-to-toe application in evaluating inflammatory and infectious conditions, acute abdomen, cardiopulmonary function, musculoskeletal and vascular pathologies. However, its uniform implementation is limited across the US healthcare system due to multitudes of barriers such as lack of training, resource scarcity, and low reimbursement. Training primary care physicians in general and emergency care providers, in particular, is key to scaleup POCUS use. Large size studies are paramount to further explore the effectiveness of POCUS and identify key challenges to its implementation.

Exploration of the Role of Relationships and Virtual Learning on Academic Performance and Mental Health.

Background The coronavirus disease 2019 (COVID-19) pandemic caused medical schools to rapidly transition to online/distance learning. Online learning is often associated with poor academic performance, mental health, and student-to-faculty relationships. The purpose of this study is to determine if correlations exist between academic performance, mental health, study location, and student/faculty relationships among medical students. Methodology First-year medical students received a survey asking them to reflect on their study location, mental health, and student/faculty relationships during the COVID-19 pandemic. Second- and third-year medical students received a similar survey asking them to reflect on their experiences from the perspective of their first year of medical school (pre-pandemic). The first five exam scores were gathered for all participants. Pearson's correlation coefficient was calculated between all variables. Results Academic performance was found to be positively correlated with both mental health (R = 0.215, p = 0.016) and relationships among students (R = 0.0259, p = 0.004), while negatively correlated with the percentage of time spent studying at home (R = -0.185, p = 0.039). Mental health was additionally found to be positively correlated with relationships to faculty (R = 0.230, p = 0.01) and relationships to students (R = 0.245, p = 0.006). Conclusions Academic performance and mental health are correlated with relationships and study location. These correlations may explain the negative outcomes associated with online learning in medical education.

Challenges in the Management of Post-COVID-19 Pulmonary Fibrosis for the Latin American Population.

This commentary aims to highlight some of the major issues (with possible solutions) that the Latin American region is currently dealing with in managing post-COVID-19 pulmonary fibrosis. Overall, there is little evidence for successful long-term COVID-19 follow-up treatment. The lack of knowledge regarding proper treatment is exacerbated in Latin America by a general lack of resources devoted to healthcare, and a lack of availability and access to multidisciplinary teams. The discussion suggests that better infrastructure (primarily multicenter cohorts of COVID-19 survivors) and well-designed studies are required to develop scientific knowledge to improve treatment for the increasing prevalence of pulmonary fibrosis in Latin America.

Attitudes towards depression of Argentinian, Chilean, and Venezuelan healthcare professionals using the Spanish validated version of the revised depression attitude questionnaire (SR-DAQ).

Background: The beliefs and attitudes of physicians toward depression may predict whether they are supportive or avoidant of patients diagnosed with this condition. Describing the attitudes toward depression of Argentinian, Chilean, and Venezuelan healthcare professionals could be a valuable tool for understanding the Latin American perspective on depression recognition, management, and prevention. Materials and methods: A cross-sectional study was conducted among healthcare professionals in Argentina, Chile, and Venezuela using the Spanish validated version of the revised depression attitude questionnaire (R-DAQ). The questionnaire was collected online from August to November 2021, in a quota-based sample of 1759 health professionals (the final analytical sample is 1234). Descriptive data analyses were performed using STATA version 16 statistical software. Results: Depression was considered a disease that anyone could suffer by 90% of the respondents. However, 70% of professionals answered that they feel more comfortable dealing with physical illness than mental illness. Furthermore, the findings show that a quarter of the participants in the study believed that either medical treatment (28.6%) or psychosocial approach (<20%) were ineffective tools for people suffering from depression. Findings also show that depression is seen as a more natural part of life by Argentinian professionals and men. Finally, psychologists and psychiatrists are most likely to treat depression as any other physical disease. Medical providers who routinely perform surgeries are not as likely to know how to treat depression or consider it an actual disease. Conclusions: Healthcare professionals in Argentina, Chile, and Venezuela have varying attitudes toward depression. While they recognize depression as a disease on the same level as other physical diseases, most do not know how to treat it. The findings point to the need for these countries to promote the training of healthcare workers in areas such as depression diagnosis, treatment, and social interventions.

Nonalcoholic Fatty Liver Disease: An Emerging Modern-Day Risk Factor for Cardiovascular Disease.

Nonalcoholic fatty liver disease (NAFLD), also named metabolic dysfunction-associated fatty liver disease (MAFLD), is a progressive disease spectrum encompassing simple steatosis, nonalcoholic steatohepatitis (NASH), fibrosis, and cirrhosis. It is a clinically silent disease leading to multiple extra-hepatic complications/comorbidities. It is an independent risk factor for cardiovascular disease (CVD), increasing susceptibility to hypertension, atherosclerosis, arrhythmia, myocardial dysfunction, cardiac valve deformation, and venous thrombosis through putative mechanisms including systemic inflammation, endothelial dysfunction, oxidative stress, insulin resistance, and altered lipid metabolism. Eventually, it increases the CVD prevalence, incident, and fatality, contributing to a huge health care burden. In fact, CVD is becoming the leading cause of mortality among patients with NAFLD. Other cardiometabolic risk factors coexisting with NAFLD may also accelerate the synergistic development of CVD, which warrants assessment targeting hypertension, diabetes mellitus (DM), obesity, and dyslipidemia to be an integral part of NAFLD care. Monitoring metabolic biomarkers (glucose, glycosylated hemoglobin [HbA1c], insulin, lipids, and lipoproteins), cardiovascular (CV) risk scores (American College of Cardiology/American Heart Association [ACC/AHA] or Framingham), and subclinical atherosclerosis (coronary artery calcification [CAC], carotid intima-media thickness [CIMT], and carotid plaque) are recommended for risk prediction and reduction. There is no universally accepted treatment for NAFLD, and lifestyle changes with weight loss of at least 10% are the mainstay of management. Combination therapy of ezetimibe and statins have a cardioprotective effect and help reduce liver fat. Despite being an emerging risk factor for CVD and its rapidly increasing pattern affecting a quarter of the global population, NAFLD remains overlooked and undetected, unlike the other traditional risk factors. Hence, we conducted a comprehensive narrative review to shed more light on the importance of screening CVD in NAFLD patients. PubMed indexed relevant articles published from 2002 to 2022 (20 years) were searched in April 2022 using medical subject headings (MeSH) as "nonalcoholic fatty liver disease" [Mesh] AND "cardiovascular diseases" [Mesh]. Evidence from 40 observational studies, three clinical trials, one case series, 45 narrative reviews, four systematic reviews and meta-analyses, three systematic reviews, and one meta-analysis were summarized on the epidemiologic data, pathophysiologic mechanisms, clinical features, diagnostic modalities, overlapping management, perceived challenges and health literacy regarding the CVD risk attributed to NAFLD.

A Narrative Review of Telemedicine in Latin America during the COVID-19 Pandemic.

BACKGROUND: The COVID-19 pandemic greatly impacted traditional health structures, posing new challenges in an unprecedented health crisis. Telemedicine services were implemented in countries with robust digital platforms to reduce hospital attendance while continuing to provide medical care. This study aims to determine how telemedicine services have been used as a tool to ensure the right to health in Latin America during the pandemic. MATERIALS AND METHODS: We conducted a narrative review in which words such as telemedicine, COVID-19, Latin America, access, and right to health, were searched on scientific medical datasets such as PubMed and SciELO. Additionally, we reviewed legislation in the Latin American health domain regarding the administration and transmission of digital data. RESULTS AND CONCLUSIONS: Several countries have used telemedicine to reduce the saturation of healthcare systems and increase patient access. Issues such as broadband access for low-income populations and adequate legal regulations for transmitting and storing confidential data must be addressed to improve telemedicine use in Latin America.

Impact of biosecurity measures, social pressure and bullying on attitudes, perceptions, and job satisfaction levels among healthcare workers during the COVID-19 pandemic: a cross-sectional survey.

INTRODUCTION: The extent and nature of social pressure and bullying towards healthcare workers (HCWs) during the COVID-19 remains unclear. The following study identifies the effect of social pressure and bullying directed towards HCWs when using biosecurity measures during the COVID-19 pandemic; further, the impact on perceptions, attitudes and job satisfaction level is also explored. METHODOLOGY: We conducted a cross-sectional survey-based study among 684 Ecuadorian HCWs. The survey consisted of 38 questions related to the frequency, attitudes, and perceptions of biosecurity measures during the COVID-19 pandemic. Exploratory factor analysis was performed to assess the validity of the questionnaire. Associations between variables were analysed using χ2 and Fisher's exact test. Using SPSS V.25, qualitative and quantitative data were analysed. RESULTS: Of the 684 participants, 175 (25.59%) experienced or felt bullying or social pressure during the COVID-19 pandemic associated with the use of biosecurity measures. Of these, 40.6% believed it was due to an imbalance of power in the workplace. The perception that HCWs wearing personal protective equipment resulting in bullying was noted in 12% of the respondents. Job satisfaction was positive among 73% of the respondents. Gender (female) and type of institution (public) were noted to contribute towards job satisfaction and bullying experiences. CONCLUSION: Exposure to social bullying and pressure due to the use of biosecurity measures during the COVID-19 pandemic may result in reduced job satisfaction and thoughts about quitting work.

The Impact of COVID-19 on Academic Performance and Personal Experience Among First-Year Medical Students.

Background: The COVID-19 pandemic forced medical education to rapidly transition from in-person learning to online learning. This change came with learning difficulties, social isolation, limited student/faculty relationships, and decreased academic performance. Objective: The purpose of this study is to determine if academic performance, study habits, student/faculty relationships, and mental health were different in first-year medical students (class of 2024) during the COVID-19 pandemic compared to pre-COVID cohorts. Methods: In April 2021, a survey was sent to first-year medical students at the Kirk Kerkorian School of Medicine at UNLV asking them to reflect on their experiences during the COVID-19 pandemic including study environment, mental health, and relationships with peers and faculty. A similar survey was sent to second- and third-year medical students (classes of 2023 and 2022) asking them to reflect on similar experiences during their first year of medical school. Exam scores for the first five exams were gathered and compared between first-, second-, and third-year medical students. Results: One hundred twenty-five students responded to the survey (81% of first-year students, 75% of second-year students, and 55% of third-year students). During the COVID-19 pandemic, first semester students did not score above the national average as much as first semester students pre-COVID (55% vs. 77%). Students during the pandemic studied at home more than previous cohorts. Mental health and relationships were all rated significantly lower among first semester students during the COVID-19 pandemic. Conclusions: Significant differences were found in first semester student experience and academic performance during the pandemic compared to pre-COVID cohorts.