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https://www.readbyqxmd.com/read/28331219/intragenic-multi-exon-deletion-in-the-fbn1-gene-in-a-child-with-mildly-dilated-aortic-sinus-a-retrotransposal-event
#1
Maggie Brett, George Korovesis, Angeline H M Lai, Eileen C P Lim, Ene-Choo Tan
Marfan syndrome is an autosomal dominant disorder affecting mainly the skeletal, ocular and cardiovascular systems. Most cases are caused by mutations in the fibrillin-1 gene (FBN1), although there are some reports on deletions involving FBN1 and other additional genes. We report a male patient who was first evaluated at 4 years of age. Echocardiogram showed a mildly dilated aortic sinus. He also had a history of muscular ventral septal defect which was closed spontaneously and trivial mitral regurgitation...
March 23, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28325424/surgical-treatment-of-carpal-boss-by-simple-resection-results-in-25%C3%A2-cases-at-a-mean-of-8%C3%A2-years-follow-up
#2
S Roulet, G Bacle, E Marteau, J Laulan
Carpal boss is a symptomatic bony protrusion on the dorsal surface of the wrist at the base of the 2nd and/or 3rd metacarpal. The goal of this study was to assess the reliability and safety of simply resecting the exostosis. From 1994 to 2014, 29 cases of carpal boss were treated by simple resection. Twenty-five of these patients were subsequently assessed by telephone questionnaire at a mean of 8 years' follow-up (range 1.1 to 20 years). There were no cases of recurrence; however, 1 patient reported carpometacarpal instability requiring fusion, 5 years after surgery...
April 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28323804/transtibial-amputation-outcomes-study-taos-comparing-transtibial-amputation-with-and-without-a-tibiofibular-synostosis-ertl-procedure
#3
Michael J Bosse, Saam Morshed, Lisa Reider, William Ertl, James Toledano, Reeza Firoozabadi, Rachel B Seymour, Eben Carroll, Daniel O Scharfstein, Barbara Steverson, Ellen J MacKenzie
The optimal technique for a transtibial amputation in a young, active, and healthy patient is controversial. Proponents of the Ertl procedure (in which the cut ends of the tibia and fibula are joined with a bone bridge synostosis) argue that the residual limb is more stable which confers better prosthetic fit and improved function especially among high-performing individuals. At the same time, the Ertl procedure is associated with longer operative and healing time and may be associated with a higher complication rate compared with the standard Burgess procedure...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323802/outcomes-after-severe-distal-tibia-ankle-and-or-foot-trauma-comparison-of-limb-salvage-versus-transtibial-amputation-outlet
#4
Michael J Bosse, David Teague, Lisa Reider, Joshua L Gary, Saam Morshed, Rachel B Seymour, James Toledano, Lisa K Cannada, Barbara Steverson, Daniel O Scharfstein, Jason Luly, Ellen J MacKenzie
Severe foot and ankle injuries are complex and challenging to treat, often requiring multiple operations to salvage the limb contributing to a prolonged healing period. There is some evidence to suggest that early amputation for some patients may result in better long-term outcomes than limb salvage. The challenge is to identify the regional injury burden for an individual that would suggest a better outcome with an amputation. The OUTLET study is a prospective, multicenter observational study comparing 18-month outcomes after limb salvage versus early amputation among patients aged 18-60 years with severe distal tibia, ankle, and foot injuries...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323801/predicting-acute-compartment-syndrome-pacs-the-role-of-continuous-monitoring
#5
Andrew H Schmidt, Michael J Bosse, Katherine P Frey, Robert V OʼToole, Daniel J Stinner, Daniel O Scharfstein, Vadim Zipunnikov, Ellen J MacKenzie
The diagnosis of acute compartment syndrome (ACS) is a common clinical challenge among patients who sustain high-energy orthopaedic trauma, largely because no validated criteria exist to reliably define the presence of the condition. In the absence of validated diagnostic standards, concern for the potential clinical and medicolegal impact of a missed compartment syndrome may result in the potential overuse of fasciotomy in "at-risk" patients. The goal of the Predicting Acute Compartment Syndrome Study was to develop a decision rule for predicting the likelihood of ACS that would reduce unnecessary fasciotomies while guarding against potentially missed ACS...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323798/supplemental-perioperative-oxygen-to-reduce-surgical-site-infection-after-high-energy-fracture-surgery-oxygen-study
#6
Robert V OʼToole, Manjari Joshi, Anthony R Carlini, Robert A Sikorski, Armagan Dagal, Clinton K Murray, Michael J Weaver, Ebrahim Paryavi, Alec C Stall, Daniel O Scharfstein, Julie Agel, Mary Zadnik, Michael J Bosse, Renan C Castillo
Supplemental perioperative oxygen (SPO) therapy has been proposed as one approach for reducing the risk of surgical site infection (SSI). Current data are mixed regarding efficacy in decreasing SSI rates and hospital inpatient stays in general and few data exist for orthopaedic trauma patients. This study is a phase III, double-blind, prospective randomized clinical trial with a primary goal of assessing the efficacy of 2 different concentrations of perioperative oxygen in the prevention of SSIs in adults with tibial plateau, pilon (tibial plafond), or calcaneus fractures at higher risk of infection and definitively treated with plate and screw fixation...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323797/local-antibiotic-therapy-to-reduce-infection-after-operative-treatment-of-fractures-at-high-risk-of-infection-a-multicenter-randomized-controlled-trial-vanco-study
#7
Robert V OʼToole, Manjari Joshi, Anthony R Carlini, Clinton K Murray, Lauren E Allen, Daniel O Scharfstein, Joshua L Gary, Michael J Bosse, Renan C Castillo
A number of clinical studies in the spine literature suggest that the use of local vancomycin powder may substantially reduce surgical site infections (SSIs). These studies are primarily retrospective and observational and few focus on orthopaedic trauma patients. This study is a phase III, prospective, randomized, clinical trial to assess the efficacy of locally administered vancomycin powder in the prevention of SSI after fracture surgery. The primary goal of the VANCO Study is to compare the proportion of deep SSI 6 months after fracture fixation surgery...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323796/a-prospective-randomized-trial-to-assess-fixation-strategies-for-severe-open-tibia-fractures-modern-ring-external-fixators-versus-internal-fixation-fixit-study
#8
Robert V OʼToole, Joshua L Gary, Lisa Reider, Michael J Bosse, Wade T Gordon, James Hutson, Stephen M Quinnan, Renan C Castillo, Daniel O Scharfstein, Ellen J MacKenzie
The treatment of high-energy open tibia fractures is challenging in both the military and civilian environments. Treatment with modern ring external fixation may reduce complications common in these patients. However, no study has rigorously compared outcomes of modern ring external fixation with commonly used internal fixation approaches. The FIXIT study is a prospective, multicenter randomized trial comparing 1-year outcomes after treatment of severe open tibial shaft fractures with modern external ring fixation versus internal fixation among men and women of ages 18-64...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323795/assessment-of-severe-extremity-wound-bioburden-at-the-time-of-definitive-wound-closure-or-coverage-correlation-with-subsequent-postclosure-deep-wound-infection-bioburden-study
#9
Michael J Bosse, Clinton K Murray, Anthony R Carlini, Reza Firoozabadi, Theodore Manson, Daniel O Scharfstein, Joseph C Wenke, Mary Zadnik, Renan C Castillo
Infection remains the most common and significant complication after high-energy fractures. The Bioburden Study is a multicenter, prospective, observational cohort study of wound bacterial bioburden and antibiotic care in severe open lower extremity fractures. The aims of this study are to (1) characterize the contemporary extremity wound "bioburden" at the time of definitive wound closure; (2) determine the concordance between polymerase chain reaction results and hospital microbiology; (3) determine, among those who develop deep infections, the concordance between the pathogens at wound closure and at deep infection; and (4) compare the probability of deep infection between those who did and did not receive an appropriate course of antibiotics based on bioburden at the time of wound closure...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323793/the-major-extremity-trauma-research-consortium-an-overview
#10
Ellen J MacKenzie, Michael J Bosse, Andrew N Pollak, Daniel J Stinner
No abstract text is available yet for this article.
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323056/fty720-promotes-pulmonary-fibrosis-when-administered-during-the-remodelling-phase-following-a-bleomycin-induced-lung-injury
#11
David R Gendron, Anne-Marie Lemay, Pascale Blais Lecours, Valérie Perreault-Vallières, Carole-Ann Huppé, Ynuk Bossé, Marie-Renée Blanchet, Geneviève Dion, David Marsolais
Fibrosis complicates numerous pathologies including interstitial lung diseases. Sphingosine analogs such as FTY720 can alleviate lung injury-induced fibrosis in murine models. Contradictorily, FTY720 also promotes in vitro processes normally leading to fibrosis and high doses in vivo foster lung fibrosis by enhancing vascular leakage into the lung. The goal of this study was to determine the effect of low doses of FTY720 on lung fibrosis triggered by an acute injury in mice. We first defined the time-boundaries delimiting the inflammatory and remodelling phases of an injury elicited by bleomycin based on neutrophil counts, total lung capacity and lung stiffness...
March 16, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28321207/whole-genome-sequencing-for-surveillance-of-antimicrobial-resistance-in-actinobacillus-pleuropneumoniae
#12
Janine T Bossé, Yanwen Li, Jon Rogers, Roberto Fernandez Crespo, Yinghui Li, Roy R Chaudhuri, Matthew T G Holden, Duncan J Maskell, Alexander W Tucker, Brendan W Wren, Andrew N Rycroft, Paul R Langford
The aim of this study was to evaluate the correlation between antimicrobial resistance (AMR) profiles of 96 clinical isolates of Actinobacillus pleuropneumoniae, an important porcine respiratory pathogen, and the identification of AMR genes in whole genome sequence (wgs) data. Susceptibility of the isolates to nine antimicrobial agents (ampicillin, enrofloxacin, erythromycin, florfenicol, sulfisoxazole, tetracycline, tilmicosin, trimethoprim, and tylosin) was determined by agar dilution susceptibility test...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28319871/autoantibodies-and-immune-complexes-to-oxidation-specific-epitopes-and-progression-of-aortic-stenosis-results-from-the-astronomer-trial
#13
Romain Capoulade, Kwan L Chan, Patrick Mathieu, Yohan Bossé, Jean G Dumesnil, James W Tam, Koon K Teo, Xiaohong Yang, Joseph L Witztum, Benoit J Arsenault, Jean-Pierre Després, Philippe Pibarot, Sotirios Tsimikas
BACKGROUND AND AIMS: Elevated levels of lipoprotein(a) [Lp(a)] and oxidized phospholipids on apolipoprotein B-100 (OxPL-apoB) predict the progression of pre-existing mild-to-moderate calcific aortic valve stenosis (CAVS). Whether indirect markers of oxidation-specific epitopes (OSE) are also predictive is not known. The association between IgG and IgM autoantibodies and malondialdehyde-modified low density lipoprotein (MDA-LDL) and IgG and IgM apolipoprotein B immune complexes (apoB-IC), and the hemodynamic progression rate of CAVS was determined in the ASTRONOMER (Aortic Stenosis Progression Observation: Measuring Effects of Rosuvastatin, NCT00800800) trial...
March 9, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28302341/communication-behaviors-and-patient-autonomy-in-hospital-care-a-qualitative-study
#14
Zackary D Berger, Emily F Boss, Mary Catherine Beach
BACKGROUND: Little is known about how hospitalized patients share decisions with physicians. METHODS: We conducted an observational study of patient-doctor communication on an inpatient medicine service among 18 hospitalized patients and 9 physicians. A research assistant (RA) approached newly hospitalized patients and their physicians before morning rounds and obtained consent. The RA audio recorded morning rounds, and then separately interviewed both patient and physician...
March 7, 2017: Patient Education and Counseling
https://www.readbyqxmd.com/read/28296559/the-irony-of-highly-effective-bacterial-therapy-of-a-patient-derived-orthotopic-xenograft-pdox-model-of-ewing-s-sarcoma-which-was-blocked-by-ewing-himself-80%C3%A2-years-ago
#15
Takashi Murakami, Tasuku Kiyuna, Kei Kawaguchi, Kentaro Igarashi, Arun S Singh, Yukihiko Hiroshima, Yong Zhang, Ming Zhao, Kentaro Miyake, Scott D Nelson, Sarah M Dry, Yunfeng Li, Jonathan C DeLong, Thinzar M Lwin, Takashi Chishima, Kuniya Tanaka, Michael Bouvet, Itaru Endo, Fritz C Eilber, Robert M Hoffman
William B. Coley developed bacterial therapy of cancer more than 100 years ago and had clinical success. James Ewing, a very famous cancer pathologist for whom the Ewing sarcoma is named, was Coley's boss at Memorial Hospital in New York and terminated Coley's bacterial therapy of cancer. A tumor from a patient with soft-tissue Ewing's sarcoma, who failed doxorubicin (DOX) therapy, was previously implanted in nude mice to establish a patient-derived orthotopic xenograft (PDOX) model. In the present study, the Ewing's sarcoma PDOX was treated with tumor-targeting S...
March 15, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28291446/military-and-civilian-collaboration-the-power-of-numbers
#16
Daniel J Stinner, Joseph C Wenke, James R Ficke, Wade Gordon, James Toledano, Anthony R Carlini, Daniel O Scharfstein, Ellen J MacKenzie, Michael J Bosse, Joseph R Hsu
The purpose of this study was to compare the number and types of extremity injuries treated at civilian trauma centers (CIV CENs) versus military treatment facilities (MTFs) participating in the Major Extremity Trauma Research Consortium (METRC) and to investigate the potential benefits of a clinical research network that includes both civilian trauma centers and MTFs. Two analyses were performed. First, registry data collected on all surgically treated fractures at four core MTFs and 21 CIV CENs over one year were compared...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28287543/modified-drop-tower-impact-tests-for-american-football-helmets
#17
G Alston Rush, R Prabhu, Gus A Rush, Lakiesha N Williams, M F Horstemeyer
A modified National Operating Committee on Standards for Athletic Equipment (NOCSAE) test method for American football helmet drop impact test standards is presented that would provide better assessment of a helmet's on-field impact performance by including a faceguard on the helmet. In this study, a merger of faceguard and helmet test standards is proposed. The need for a more robust systematic approach to football helmet testing procedures is emphasized by comparing representative results of the Head Injury Criterion (HIC), Severity Index (SI), and peak acceleration values for different helmets at different helmet locations under modified NOCSAE standard drop tower tests...
February 19, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28284162/sers-substrates-fabricated-using-ceramic-filters-for-the-detection-of-bacteria-eliminating-the-citrate-interference
#18
P A Mosier-Boss, K C Sorensen, R D George, P C Sims, A O'braztsova
It was found that spectra obtained for bacteria on SERS substrates fabricated by filtering citrate-generated Ag nanoparticles (NPs) onto rigid, ceramic filters exhibited peaks due to citrate as well as the bacteria. In many cases the citrate spectrum overwhelmed that of the bacteria. Given the simplicity of the method to prepare these substrates, means of eliminating this citrate interference were explored. It was found that allowing a mixture of bacteria suspension and citrate-generated Ag NPs to incubate prior to filtering onto the ceramic filter eliminated this interference...
March 7, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28283195/effects-of-survivorship-care-plans-on-patient-reported-outcomes-in-ovarian-cancer-during-2-year-follow-up-the-rogy-care-trial
#19
Belle H de Rooij, Nicole P M Ezendam, Kim A H Nicolaije, M Caroline Vos, Johanna M A Pijnenborg, Dorry Boll, Erik A Boss, Ralph H M Hermans, Karin C M Engelhart, Joke E Haartsen, Brenda M Pijlman, Ingrid E A M van Loon-Baelemans, Helena J M M Mertens, Willem E Nolting, Johannes J van Beek, Jan A Roukema, Roy F P M Kruitwagen, Lonneke V van de Poll-Franse
OBJECTIVE: The aim of this study was to assess the long-term impact of an automatically generated Survivorship Care Plan (SCP) on patient reported outcomes in ovarian cancer in routine clinical practice. Outcome measures included satisfaction with information provision and care, illness perceptions and health care utilization. METHODS: In this pragmatic cluster randomized trial, twelve hospitals in the South of the Netherlands were randomized to 'SCP care' or 'usual care'...
March 7, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28281369/electronic-assessment-of-clinical-reasoning-in-clerkships-a-mixed-methods-comparison-of-long-menu-key-feature-problems-with-context-rich-single-best-answer-questions
#20
Sören Huwendiek, Friedrich Reichert, Cecilia Duncker, Bas A de Leng, Cees P M van der Vleuten, Arno M M Muijtjens, Hans-Martin Bosse, Martin Haag, Georg F Hoffmann, Burkhard Tönshoff, Diana Dolmans
BACKGROUND: It remains unclear which item format would best suit the assessment of clinical reasoning: context-rich single best answer questions (crSBAs) or key-feature problems (KFPs). This study compared KFPs and crSBAs with respect to students' acceptance, their educational impact, and psychometric characteristics when used in a summative end-of-clinical-clerkship pediatric exam. METHODS: Fifth-year medical students (n = 377) took a computer-based exam that included 6-9 KFPs and 9-20 crSBAs which assessed their clinical reasoning skills, in addition to an objective structured clinical exam (OSCE) that assessed their clinical skills...
March 10, 2017: Medical Teacher
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