39 research outputs found
Clinical realism: a new literary genre and a potential tool for encouraging empathy in medical students
Background: Empathy has been re-discovered as a desirable quality in doctors. A number of approaches using the medical humanities have been advocated to teach empathy to medical students. This paper describes a new approach using the medium of creative writing and a new narrative genre: clinical realism. Methods: Third year students were offered a four week long Student Selected Component (SSC) in Narrative Medicine and Creative Writing. The creative writing element included researching and creating a character with a life-changing physical disorder without making the disorder the focus of the writing. The age, gender, social circumstances and physical disorder of a character were randomly allocated to each student. The students wrote repeated assignments in the first person, writing as their character and including details of living with the disorder in all of their narratives. This article is based on the work produced by the 2013 cohort of students taking the course, and on their reflections on the process of creating their characters. Their output was analysed thematically using a constructivist approach to meaning making. Results: This preliminary analysis suggests that the students created convincing and detailed narratives which included rich information about living with a chronic disorder. Although the writing assignments were generic, they introduced a number of themes relating to illness, including stigma, personal identity and narrative wreckage. Some students reported that they found it difficult to relate to “their” character initially, but their empathy for the character increased as the SSC progressed. Conclusion: Clinical realism combined with repeated writing exercises about the same character is a potential tool for helping to develop empathy in medical students and merits further investigation
The role of statins on helicobacter pylori eradication: Results from the european registry on the management of h. pylori (hp-eureg)
Statins could increase the effectiveness of Helicobacter pylori eradication therapies due to their anti-inflammatory effect. The aim of this study was to analyze the impact of this therapeutic association in real life. This is a multicenter, prospective, non-interventional study aimed at evaluating the management of H. pylori by European gastroenterologists. Patients were registered in an e-CRF by AEG-REDCap from 2013 to 2020. The association between statin use and H. pylori eradication effectiveness was evaluated through multivariate analysis. Overall, 9988 and 705 patients received empirical and culture-guided treatment, respectively. Overall, statin use was associated with higher effectiveness in the empirical group (OR = 1.3; 95%CI = 1.1-1.5), but no association was found with first-line treatment effectiveness (N = 7738); as an exception, statin use was specifically associated with lower effectiveness of standard triple therapy (OR = 0.76; 95%CI = 0.59-0.99). In the rescue therapy empirical group (N = 2228), statins were associated with higher overall effectiveness (OR = 1.9; 95%CI = 1.4-2.6). However, sub-analyses by treatment schemes only confirmed this association for the single-capsule bismuth quadruple therapy (OR = 2.8; 95%CI = 1.3-5.7). No consistent association was found between statin use and H. pylori therapy effectiveness. Therefore, the addition of statins to the usual H. pylori treatment cannot be currently recommended to improve cure rates. © 2021 by the authors. Licensee MDPI, Basel, Switzerland
Role of proton pump inhibitors dosage and duration in Helicobacter pylori eradication treatment: Results from the European Registry on H. pylori management
Background: Management of Helicobacter pylori (H. pylori) infection requires co-treatment with proton pump inhibitors (PPIs) and the use of antibiotics to achieve successful eradication. Aim: To evaluate the role of dosage of PPIs and the duration of therapy in the effectiveness of H. pylori eradication treatments based on the ‘European Registry on Helicobacter pylori management’ (Hp-EuReg). Methods: Hp-EuReg is a multicentre, prospective, non-interventionist, international registry on the routine clinical practice of H. pylori management by European gastroenterologists. All infected adult patients were systematically registered from 2013 to 2022. Results: Overall, 36,579 patients from five countries with more than 1000 patients were analysed. Optimal (≥90%) first-line-modified intention-to-treat effectiveness was achieved with the following treatments: (1) 14-day therapies with clarithromycin-amoxicillin-bismuth and metronidazole-tetracycline-bismuth, both independently of the PPI dose prescribed; (2) All 10-day (except 10-day standard triple therapy) and 14-day therapies with high-dose PPIs; and (3) 10-day quadruple therapies with clarithromycin-amoxicillin-bismuth, metronidazole-tetracycline-bismuth, and clarithromycin-amoxicillin-metronidazole (sequential), all with standard-dose PPIs. In first-line treatment, optimal effectiveness was obtained with high-dose PPIs in all 14-day treatments, in 10- and 14-day bismuth quadruple therapies and in 10-day sequential with standard-dose PPIs. Optimal second-line effectiveness was achieved with (1) metronidazole-tetracycline-bismuth quadruple therapy for 14- and 10 days with standard and high-dose PPIs, respectively; and (2) levofloxacin-amoxicillin triple therapy for 14 days with high-dose PPIs. None of the 7-day therapies in both treatment lines achieved optimal effectiveness. Conclusions: We recommend, in first-line treatment, the use of high-dose PPIs in 14-day triple therapy and in 10-or 14-day quadruple concomitant therapy in first-line treatment, while standard-dose PPIs would be sufficient in 10-day bismuth quadruple therapies. On the other hand, in second-line treatment, high-dose PPIs would be more beneficial in 14-day triple therapy with levofloxacin and amoxicillin or in 10-day bismuth quadruple therapy either as a three-in-one single capsule or in the traditional scheme
DDRT-PCR approaches applied for preeminent results in the isolation of DETs from fish brain tissues
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Methods for efficient retrovirus-mediated gene transfer to mouse hematopoietic stem cells
A variety of genetic and acquired diseases could conceivably be treated by gene therapy targeted to hematopoietic stem cells (HSC). Inevitably, the effort to develop reliable methods of gene transfer into stem cells has raised many questions about their biology and role in the development and maintenance of hematopoiesis. As a result, we currently have a convergence of research goals in the areas of stem cell biology and gene therapy. Murine models for stem cell transduction have played a useful role in establishing two basic principles: retroviral vectors can transduce pluripotent self-renewing hematopoietic stem cells and retroviral vectors can express foreign gene products in the differentiated progeny of stem cells. Murine models also have allowed the identification of several key factors that allow efficient transduction of stem cells and each of these is dealt with here. However, methods for stem cell transduction that are effective with mouse cells have only been partially successful in dog, nonhuman primate, and human models. Whereas scale-up of stem cell transduction procedures for human applications will present unique technical problems, mouse models may yet provide further insight into the mechanisms of efficient stem cell gene transfer that can then be used to design enhanced and reproducible protocols
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Enrichment and functional characterization of Sca-1+WGA+, Lin-WGA+, Lin- Sca-1+, and Lin-Sca-1+WGA+ bone marrow cells from mice with an Ly-6a haplotype
Abstract Approximately 4% to 5% of all bone marrow (BM) cells and 8% to 9% of low density BM cells from FVB/N and BALB/c mice (Ly-6a haplotype) show high to intermediate expression of Ly-6E.1 antigen, recognized by the Sca-1 antibody. Functional properties of enriched cells expressing Ly- 6E.1-allelic form of Sca-1 antigen were analyzed and correlated with the properties of cells expressing the carbohydrate binding sites for the lectin wheat-germ agglutinin (WGA). Using equilibrium density centrifugation and fluorescence-activated cell sorting, Sca-1+WGA+, Lin- WGA+, Lin-Sca-1+, and Lin-Sca-1+WGA+ cells were isolated and their splenic colony-forming unit (CFU-S) cell content, radioprotection ability, and long-term reconstitution capacity determined. Enriched Sca- 1+WGA+, Lin-WGA+, Lin-Sca-1+ and Lin-Sca-1+WGA+ cells gave rise to 1 CFU-S12 cell out of 26, 20, 21, and 15 sorted cells, respectively. When transplanted into lethally irradiated recipients (100 to 500 cells/mouse) all populations rescued 70% to 100% of recipients in a 30- day radioprotection assay and mediated survival of 40% to 80% of recipients 6 months after transplantation. Using transgenic mice as cell donors we have shown that 12 to 16 weeks after transplantation of 100 Sca-1+WGA+, Lin-WGA+, Lin-Sca-1+, and Lin-Sca-1+WGA+ cells, 40% to 80% of recipients had donor cells in BM, spleen, thymus, and lymph nodes. These results indicate that the population of cells expressing Ly-6E.1 form of Sca-1 antigen in two analyzed mouse strains with Ly-6a haplotype contains CFU-S and long-term repopulating cells. Furthermore, the data suggest that, at least in FVB/N mice, day-12 CFU-S cells and cells with long-term repopulating capacity simultaneously express Ly- 6E.1 form of Sca-1 antigen and WGA-binding molecules
Enrichment and functional characterization of Sca-1+WGA+, Lin-WGA+, Lin- Sca-1+, and Lin-Sca-1+WGA+ bone marrow cells from mice with an Ly-6a haplotype
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