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https://www.readbyqxmd.com/read/29432628/the-relationship-between-preclinical-grading-and-usmle-scores-in-us-allopathic-medical-schools
#1
Seungjun Kim, Paul George
BACKGROUND AND OBJECTIVES: Pass/fail preclinical grading is associated with improved student well-being. Studies do not demonstrate differences in United States Medical Licensing Examination (USMLE) scores after adopting pass/fail grading, but were conducted at unrepresentative, highly selective institutions, and average scores increased overall during the study periods. We investigated the effect of preclinical grading on USMLE scores across 96 US medical schools. METHODS: Preclinical grading systems were identified with the 2017 Association of American Medical Colleges Medical School Admissions Requirements...
February 2018: Family Medicine
https://www.readbyqxmd.com/read/29402645/large-scale-expansion-of-v%C3%AE-9v%C3%AE-2-t-cells-with-engineered-k562-feeder-cells-in-g-rex-vessels-and-their-use-as-chimeric-antigen-receptor-modified-effector-cells
#2
Lin Xiao, Can Chen, Zhendong Li, Sumin Zhu, Johan Ck Tay, Xi Zhang, Shijun Zha, Jieming Zeng, Wee Kiat Tan, Xin Liu, Wee Joo Chng, Shu Wang
Vγ9Vδ2 T cells are a minor subset of lymphocytes in the peripheral blood that has been extensively investigated for their tolerability, safety and anticancer efficacy. A hindrance to the broad application of these cells for adoptive cellular immunotherapy has been attaining clinically appropriate numbers of Vγ9Vδ2 T cells. Furthermore, Vγ9Vδ2 T cells exist at low frequencies among cancer patients. We, therefore, sought to conceive an economical method that allows for a quick and robust large-scale expansion of Vγ9Vδ2 T cells...
February 2, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29390938/comparative-values-of-medical-school-assessments-in-the-prediction-of-internship-performance
#3
Ming Lee, Michelle Vermillion
BACKGROUND: Multiple undergraduate achievements have been used for graduate admission consideration. Their relative values in the prediction of residency performance are not clear. This study compared the contributions of major undergraduate assessments to the prediction of internship performance. METHODS: Internship performance ratings of the graduates of a medical school were collected from 2012 to 2015. Hierarchical multiple regression analyses were used to examine the predictive values of undergraduate measures assessing basic and clinical sciences knowledge and clinical performances, after controlling for differences in the Medical College Admission Test (MCAT)...
February 1, 2018: Medical Teacher
https://www.readbyqxmd.com/read/29339640/application-of-immunocytochemistry-on-cell-block-sections-for-the-investigation-of-thyroid-lesions
#4
Niki Margari, Ilias Giovannopoulos, Abraham Pouliakis, Emmanouil Mastorakis, Alina Roxani Gouloumi, Ioannis G Panayiotides, Petros Karakitsos
OBJECTIVE: To investigate the potential of Classification and Regression Trees (CARTs) for the diagnosis of thyroid lesions based on cell block immunocytochemistry and cytological outcome. STUDY DESIGN: A total of 956 histologically confirmed cases (673 benign and 283 malignant) from patients with thyroid nodules were prepared via liquid-based cytology and evaluated; 4 additional slides were stained for cytokeratin 19 (CK-19), galectin 3 (Gal-3), Hector Battifora mesothelial cell 1 (HBME-1), and thyroglobulin...
January 16, 2018: Acta Cytologica
https://www.readbyqxmd.com/read/29315315/quantification-of-intramuscular-fat-in-patients-with-late-onset-pompe-disease-by-conventional-magnetic-resonance-imaging-for-the-long-term-follow-up-of-enzyme-replacement-therapy
#5
André Lollert, Clemens Stihl, Andreas M Hötker, Eugen Mengel, Jochem König, Katharina Laudemann, Seyfullah Gökce, Christoph Düber, Gundula Staatz
OBJECTIVE: The objective of this study was to evaluate a quantitative method based on conventional T1-weighted magnetic resonance (MR) imaging to assess fatty muscular degeneration in patients with late-onset Pompe disease and to compare it with semi-quantitative visual evaluation (the Mercuri score). In addition, a long-term retrospective data analysis was performed to evaluate treatment response to enzyme replacement therapy with alglucosidase alfa. METHODS: MR images of the lumbar spine were acquired in 41 patients diagnosed with late-onset Pompe disease from 2006 through 2015...
2018: PloS One
https://www.readbyqxmd.com/read/29289581/physical-exercise-improves-strength-balance-mobility-and-endurance-in-people-with-cognitive-impairment-and-dementia-a-systematic-review
#6
Freddy Mh Lam, Mei-Zhen Huang, Lin-Rong Liao, Raymond Ck Chung, Timothy Cy Kwok, Marco Yc Pang
QUESTION: Does physical exercise training improve physical function and quality of life in people with cognitive impairment and dementia? Which training protocols improve physical function and quality of life? How do cognitive impairment and other patient characteristics influence the outcomes of exercise training? DESIGN: Systematic review with meta-analysis of randomised trials. PARTICIPANTS: People with mild cognitive impairment or dementia as the primary diagnosis...
December 27, 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/29236952/impaired-cardiac-contractile-function-in-agat-knockout-mice-devoid-of-creatine-is-rescued-by-homoarginine-but-not-creatine
#7
Kiterie M E Faller, Dorothee Atzler, Debra J McAndrew, Sevasti Zervou, Hannah J Whittington, Jillian N Simon, Dunja Aksentijevic, Michiel Ten Hove, Chi-Un Choe, Dirk Isbrandt, Barbara Casadei, Jurgen E Schneider, Stefan Neubauer, Craig A Lygate
Aims: Creatine buffers cellular ATP via the creatine kinase reaction. Creatine levels are reduced in heart failure, but their contribution to pathophysiology is unclear. Arginine:glycine amidinotransferase (AGAT) in the kidney catalyses both the first step in creatine biosynthesis as well as homoarginine synthesis. AGAT-/- mice fed a creatine-free diet have a whole body creatine-deficiency. We hypothesised that AGAT-/- mice would develop cardiac dysfunction and rescue by dietary creatine would imply causality...
December 11, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/29094254/comparison-of-ck-ihc-assay-on-serial-frozen-sections-the-osna-assay-and-in-combination-for-intraoperative-evaluation-of-sln-metastases-in-breast-cancer
#8
Hideo Shigematsu, Shinji Ozaki, Daisuke Yasui, Junichi Zaitsu, Daiki Taniyama, Akihisa Saitou, Kazuya Kuraoka, Hiroyasu Yamashiro, Kiyomi Taniyama
BACKGROUND: Intraoperative evaluations of sentinel lymph node (SLN) metastases are performed for providing appropriate and immediate axillary treatments in breast cancer patients who do not meet Z0011 criteria; however, standard intraoperative procedure has not yet been established. METHODS: We consecutively performed intraoperative evaluation for SLN metastases using both a cytokeratin immunohistochemistry (CK-IHC) assay on serial frozen sections and a one-step nucleic acid amplification (OSNA) assay of the remaining whole node in patients with invasive breast cancer...
November 1, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28762297/the-association-of-usmle-step-1-and-step-2-ck-scores-with-residency-match-specialty-and-location
#9
Jacqueline L Gauer, J Brooks Jackson
BACKGROUND: For future physicians, residency programs offer necessary extended training in specific medical specialties. Medical schools benefit from an understanding of factors that lead their students to match into certain residency specialties. One such factor, often used during the residency application process, is scores on the USA Medical Licensing Exam (USMLE). OBJECTIVES: To determine the relationship between USMLE Step 1 and Step 2 Clinical Knowledge (CK) scores and students' residency specialty match, and the association between both USMLE scores and state of legal residency (Minnesota) at the time of admission with students staying in-state or leaving the state for residency program...
2017: Medical Education Online
https://www.readbyqxmd.com/read/28702788/how-do-physicians-become-medical-experts-a-test-of-three-competing-theories-distinct-domains-independent-influence-and-encapsulation-models
#10
Claudio Violato, Hong Gao, Mary Claire O'Brien, David Grier, E Shen
The distinction between basic sciences and clinical knowledge which has led to a theoretical debate on how medical expertise is developed has implications for medical school and lifelong medical education. This longitudinal, population based observational study was conducted to test the fit of three theories-knowledge encapsulation, independent influence, distinct domains-of the development of medical expertise employing structural equation modelling. Data were collected from 548 physicians (292 men-53.3%; 256 women-46...
July 12, 2017: Advances in Health Sciences Education: Theory and Practice
https://www.readbyqxmd.com/read/28670150/predicting-united-states-medical-licensure-examination-step-2-clinical-knowledge-scores-from-previous-academic-indicators
#11
Kristina A Monteiro, Paul George, Richard Dollase, Luba Dumenco
The use of multiple academic indicators to identify students at risk of experiencing difficulty completing licensure requirements provides an opportunity to increase support services prior to high-stakes licensure examinations, including the United States Medical Licensure Examination (USMLE) Step 2 clinical knowledge (CK). Step 2 CK is becoming increasingly important in decision-making by residency directors because of increasing undergraduate medical enrollment and limited available residency vacancies. We created and validated a regression equation to predict students' Step 2 CK scores from previous academic indicators to identify students at risk, with sufficient time to intervene with additional support services as necessary...
2017: Advances in Medical Education and Practice
https://www.readbyqxmd.com/read/28562454/exploring-the-relationships-between-usmle-performance-and-disciplinary-action-in-practice-a-validity-study-of-score-inferences-from-a-licensure-examination
#12
Monica M Cuddy, Aaron Young, Andrew Gelman, David B Swanson, David A Johnson, Gerard F Dillon, Brian E Clauser
PURPOSE: Physicians must pass the United States Medical Licensing Examination (USMLE) to obtain an unrestricted license to practice allopathic medicine in the United States. Little is known, however, about how well USMLE performance relates to physician behavior in practice, particularly conduct inconsistent with safe, effective patient care. The authors examined the extent to which USMLE scores relate to the odds of receiving a disciplinary action from a U.S. state medical board. METHOD: Controlling for multiple factors, the authors used non-nested multilevel logistic regression analyses to estimate the relationships between scores and receiving an action...
December 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28446544/cellular-expression-of-pd-l1-in-the-peripheral-blood-of-lung-cancer-patients-is-associated-with-worse-survival
#13
Daniel J Boffa, Ryon P Graf, Michelle C Salazar, Jessica Hoag, David Lu, Rachel Krupa, Jessica Louw, Lyndsey Dugan, Yipeng Wang, Mark Landers, Mahipal Suraneni, Stephanie B Greene, Marisa Magaña, Samir Makani, Lyudmila Bazhenova, Ryan V Dittamore, Jorge Nieva
Background: Lung cancer treatment has become increasingly dependent upon invasive biopsies to profile tumors for personalized therapy. Recently, tumor expression of programmed death-ligand 1 (PD-L1) has gained interest as a potential predictor of response to immunotherapy. Circulating biomarkers present an opportunity for tumor profiling without the risks of invasive procedures. We characterized PD-L1 expression within populations of nucleated cells in the peripheral blood of lung cancer patients in hopes of expanding the role of liquid biopsy in this setting...
July 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28435509/usmle-scores-predict-success-in-abem-initial-certification-a-multicenter-study
#14
Elie Harmouche, Nikhil Goyal, Ashley Pinawin, Jumana Nagarwala, Rahul Bhat
INTRODUCTION: There are no existing data on whether performance on the United States Medical Licensing Examination (USMLE) predicts success in American Board of Emergency Medicine (ABEM) certification. The aim of this study was to determine the presence of any association between USMLE scores and first-time success on the ABEM qualifying and oral certification examinations. METHODS: We retrospectively collected USMLE Step 1, Step 2 Clinical Knowledge (CK) scores and pass/fail results from the first attempt at ABEM qualifying and oral examinations from residents graduating between 2009 and 2011 from nine EM programs...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28382076/multicenter-single-arm-phase-iv-study-of-combined-aspirin-and-high-dose-ivig-sn-therapy-for-pediatric-patients-with-kawasaki-disease
#15
Kyung Lim Yoon, Hae Yong Lee, Jeong Jin Yu, Jae Young Lee, Mi Young Han, Ki Yong Kim, June Huh
BACKGROUND AND OBJECTIVES: Intravenous immunoglobulin-SN (IVIG-SN) is a new human immunoglobulin product. Its safety is ensured by pathogen-elimination steps comprising solvent/detergent treatment and a nanofiltration process. This multicenter clinical study was designed to evaluate the efficacy and safety of combined aspirin and high-dose IVIG-SN therapy in pediatric patients with Kawasaki disease (KD). SUBJECTS AND METHODS: We evaluated coronary artery lesions (CALs) at 2 and 7 weeks after administering IVIG-SN; total fever duration; and variations in erythrocyte sedimentation rate, N-terminal pro B-type natriuretic peptide or B-type natriuretic peptide, and creatine kinase-myocardial band level before and after treatment with IVIG-SN (2 g/kg)...
March 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/28333194/aesthetic-surgery-fellowship-selection-criteria-a-national-fellowship-director-survey
#16
Francesco M Egro, Ololade T Saliu, Foad Nahai, Vu T Nguyen
Background: Desirable candidate characteristics for aesthetic surgery fellowship applicants remain unknown because of a lack of data in the literature. Objectives: This study aims to identify the criteria used to select applicants for aesthetic surgery fellowship in the United States. Methods: A 38-question survey was sent in April 2015 to all directors of fellowships endorsed by the American Society for Aesthetic Plastic Surgery (n = 20) in the United States...
September 1, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28277343/statin-associated-autoimmune-myopathy-a-systematic-review-of-100-cases
#17
REVIEW
Salik Nazir, Saroj Lohani, Niranjan Tachamo, Dilliram Poudel, Anthony Donato
BACKGROUND: Statins are a group of drugs that reduce the levels of triglycerides and cholesterol in blood by inhibiting HMG-CoA reductase, an enzyme involved in rate limiting step in cholesterol synthesis. About 2-20% patients on statins develop toxic myopathies, which usually resolve on discontinuation of statin. More recently, an immune-mediated necrotizing myopathy has been found to be associated with statin use which in most cases requires treatment with immunosuppressants. OBJECTIVE: To perform a systematic review on published case reports and case series of statin-associated autoimmune myopathy...
April 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28254641/role-of-total-tumour-load-of-sentinel-lymph-node-on-survival-in-early-breast-cancer-patients
#18
Vicente Peg, Irene Sansano, Begoña Vieites, Laia Bernet, Rafael Cano, Alicia Córdoba, Magdalena Sancho, María Dolores Martín, Felip Vilardell, Alicia Cazorla, Martín Espinosa-Bravo, José Manuel Pérez-García, Javier Cortés, Isabel T Rubio, Santiago Ramón Y Cajal
BACKGROUND: Axillary staging (pN) is considered one of the most important prognostic factors in breast cancer patients. However, the Z0011 study data drastically reduced the number of surgical axillary dissections in a selected group of patients, limiting the prognostic information relating to axillary involvement to the sentinel lymph node (SLN). It is known that there is a relationship between SLN total tumour load (TTL) and axillary involvement. The objective of this study is to analyse the relationship between the TTL and outcomes in patients with early stage breast cancer...
June 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/27909311/insights-into-the-phosphoryl-transfer-mechanism-of-human-ubiquitous-mitochondrial-creatine-kinase
#19
Quanjie Li, Shuai Fan, Xiaoyu Li, Yuanyuan Jin, Weiqing He, Jinming Zhou, Shan Cen, ZhaoYong Yang
Human ubiquitous mitochondrial creatine kinase (uMtCK) is responsible for the regulation of cellular energy metabolism. To investigate the phosphoryl-transfer mechanism catalyzed by human uMtCK, in this work, molecular dynamic simulations of uMtCK∙ATP-Mg(2+)∙creatine complex and quantum mechanism calculations were performed to make clear the puzzle. The theoretical studies hereof revealed that human uMtCK utilizes a two-step dissociative mechanism, in which the E227 residue of uMtCK acts as the catalytic base to accept the creatine guanidinium proton...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27906087/legionella-pneumonia-in-the-niagara-region-ontario-canada-a-case-series
#20
MULTICENTER STUDY
Stephanie Cargnelli, Jeff Powis, Jennifer L Y Tsang
BACKGROUND: Legionella pneumophila, a major cause of Legionnaires' disease, accounts for 2-15 % of all community-acquired pneumonia requiring hospitalization and up to 30 % of community-acquired pneumonia requiring intensive care unit admission. Early initiation of appropriate antimicrobial therapy is a crucial step in the prevention of morbidity and mortality. However, recognition of Legionnaires' disease continues to be challenging because of its nonspecific clinical features. We sought to describe hospitalized community-acquired Legionnaires' disease to increase awareness of this important and potentially lethal disease...
December 1, 2016: Journal of Medical Case Reports
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