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https://www.readbyqxmd.com/read/29100715/dynamic-computational-simulations-for-evaluating-tissue-loads-applied-by-regulated-negative-pressure-assisted-wound-therapy-rnpt-system-for-treating-large-wounds
#1
Rona Katzengold, Moris Topaz, Amit Gefen
Regulated negative pressure-assisted wound therapy (RNPT) is one of the most important wound treatment technologies developed and applied over the last two decades. To-date RNPT has been proven to be clinically effective in treating chronic wounds, however, the effects of different specific pressure delivery protocols on the progress and quality of tissue repair are not adequately understood yet. Here, we suggest a viscoelastic, three-dimensional finite element modeling framework of RNPT, with several realistic features such as a non-symmetrically configured multi-layered tissue structure...
October 28, 2017: Journal of Tissue Viability
https://www.readbyqxmd.com/read/29049246/synergistic-elca-aspiration-des-thrombus-removal-strategy-embolus-impact-in-high-risk-plaque-a-case-report
#2
Yoshihiro Imai, Takehiro Yamashita, On Topaz
RATIONALE: Thin-cap fibroatheroma (TCFA) and red thrombus are suggested as a high-risk of embolic complications during percutaneous coronary intervention (PCI). Intracoronary aspiration procedures occasionally result in either an insufficient thrombus removal or provide no significant effects on TCFA. PATIENT CONCERNS: A 76-year-old male underwent coronary angiography for chest pain. DIAGNOSES: Coronary angiography revealed a tight stenosis at the right coronary artery which resulted in treatment by PCI...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29039392/development-and-validation-of-a-novel-rapid-clinical-text-mining-approach-based-on-word-embeddings-nimbleminer
#3
Maxim Topaz, Katherine Gaddes, Margret McDonald, Kathryn Bowles
No abstract text is available yet for this article.
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29039390/health-information-technology-involved-in-malpractice-cases-trends-review-and-opportunities-for-safety-improvement
#4
Maxim Topaz, Adam Schaffer, Warren Acker, Ken Lai, Tom Korah Zfania, Jonathan Einbinder, Li Zhou
No abstract text is available yet for this article.
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28943089/ehd-proteins-cooperate-to-generate-caveolar-clusters-and-to-maintain-caveolae-during-repeated-mechanical-stress
#5
Ivana Yeow, Gillian Howard, Jessica Chadwick, Carolina Mendoza-Topaz, Carsten G Hansen, Benjamin J Nichols, Elena Shvets
Caveolae introduce flask-shaped convolutions into the plasma membrane and help to protect the plasma membrane from damage under stretch forces. The protein components that form the bulb of caveolae are increasingly well characterized, but less is known about the contribution of proteins that localize to the constricted neck. Here we make extensive use of multiple CRISPR/Cas9-generated gene knockout and knockin cell lines to investigate the role of Eps15 Homology Domain (EHD) proteins at the neck of caveolae...
October 9, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28856778/temporally-resolved-parametric-assessment-of-z-magnetization-recovery-topaz-dynamic-myocardial-t1-mapping-using-a-cine-steady-state-look-locker-approach
#6
Sebastian Weingärtner, Chetan Shenoy, Benedikt Rieger, Lothar R Schad, Jeanette Schulz-Menger, Mehmet Akçakaya
PURPOSE: To develop and evaluate a cardiac phase-resolved myocardial T1 mapping sequence. METHODS: The proposed method for temporally resolved parametric assessment of Z-magnetization recovery (TOPAZ) is based on contiguous fast low-angle shot imaging readout after magnetization inversion from the pulsed steady state. Thereby, segmented k-space data are acquired over multiple heartbeats, before reaching steady state. This results in sampling of the inversion-recovery curve for each heart phase at multiple points separated by an R-R interval...
August 30, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28846836/high-risk-for-invasive-meningococcal-disease-among-patients-receiving-eculizumab-soliris-despite-receipt-of-meningococcal-vaccine
#7
EDITORIAL
L A McNamara, N Topaz, X Wang, S Hariri, L Fox, J R MacNeil
No abstract text is available yet for this article.
September 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28780304/response-to-the-letter-to-the-editor
#8
Guy Topaz, Yona Kitay-Cohen, Lotan Shilo
No abstract text is available yet for this article.
October 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28707447/cto-revascularization-obstacles-and-options-in-balloon-nonpenetrable-lesions
#9
EDITORIAL
On Topaz
CTO lesions resisting balloon crossing are located in moderate/severe tortuous coronary arteries contain more moderate/severe calcification burden and carry a higher J-CTO score as compared with balloon crossable CTO lesions. CTO lesions resisting balloon crossing do not constitute a homogenous group. In 25% of the patients, the resisting CTO was caused by stent restenosis and thrombus is an integral component of CTO in addition to calcium and fibrosis. The excimer laser and rotational/orbital atherectomy are among useful debulking technologies capable of creating a "pilot recanalization channel" in the CTO that enables completion of the revasularization...
July 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28704351/high-risk-for-invasive-meningococcal-disease-among-patients-receiving-eculizumab-soliris-despite-receipt-of-meningococcal-vaccine
#10
Lucy A McNamara, Nadav Topaz, Xin Wang, Susan Hariri, LeAnne Fox, Jessica R MacNeil
Use of eculizumab (Soliris, Alexion Pharmaceuticals), a terminal complement inhibitor, is associated with a 1,000-fold to 2,000-fold increased incidence of meningococcal disease (1). Administration of meningococcal vaccines is recommended for patients receiving eculizumab before beginning treatment (2,3). Sixteen cases of meningococcal disease were identified in eculizumab recipients in the United States during 2008-2016; among these, 11 were caused by nongroupable Neisseria meningitidis. Fourteen patients had documentation of receipt of at least 1 dose of meningococcal vaccine before disease onset...
July 14, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28645805/pre-admission-cha2ds2-vasc-score-and-outcome-of-patients-with-acute-cerebrovascular-events
#11
Guy Topaz, David Pereg, Mony Shuvy, Stefan Mausbach, Itzhak Kimiagar, Gregory Telman, Yona Kitay-Cohen, Dina Vorobeichik, Nir Shlomo, David Tanne
BACKGROUND: The CHA2DS2-VASc score has been recommended for the assessment of thromboembolic risk in patients with atrial fibrillation. Data regarding the association between the pre-admission CHA2DS2-VASc score and the outcome of patients with stroke and TIA are scarce. We aimed to assess the predictive value of pre-admission CHA2DS2-VASc score for early risk stratification of patients with acute cerebrovascular event. METHODS: The study group consisted of 8309 patients (53% males, mean age of 70±13...
June 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28577971/prevalence-of-food-allergies-and-intolerances-documented-in-electronic-health-records
#12
Warren W Acker, Joseph M Plasek, Kimberly G Blumenthal, Kenneth H Lai, Maxim Topaz, Diane L Seger, Foster R Goss, Sarah P Slight, David W Bates, Li Zhou
BACKGROUND: Food allergy prevalence is reported to be increasing, but epidemiological data using patients' electronic health records (EHRs) remain sparse. OBJECTIVE: We sought to determine the prevalence of food allergy and intolerance documented in the EHR allergy module. METHODS: Using allergy data from a large health care organization's EHR between 2000 and 2013, we determined the prevalence of food allergy and intolerance by sex, racial/ethnic group, and allergen group...
May 23, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28554095/the-association-between-red-cell-distribution-width-and-poor-outcomes-in-hospitalized-patients-with-influenza
#13
Guy Topaz, Yona Kitay-Cohen, Lee Peled, Wesal Gharra, Keren Kaminer, Mayan Eitan, Lamis Mahamid, Lotan Shilo
PURPOSE: To examine an association between red blood cell distribution width (RDW) and the prognosis of influenza patients. METHODS: We conducted a retrospective analysis of patients hospitalized with influenza during 2012-2015 in the internal medicine wards of one medical center. RDW measurements during hospitalization were analyzed. Primary outcome was complicated hospitalization (defined as at least one of: length of stay ≥7days, need for mechanical ventilation, septic shock, transfer to intensive-care, or 30-day mortality)...
October 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28495412/radiofrequency-microdebridement-versus-surgical-decompression-for-achilles-tendinosis-a-randomized-controlled-trial
#14
Rory J M Morrison, Timothy M Brock, Mike R Reed, Scott D Muller
Achilles tendinosis is primarily managed nonoperatively with activity modification and physiotherapy, although surgery can be required. This has classically involved surgical decompression of the Achilles tendon, although the use of radiofrequency microdebridement has been suggested as a novel minimally invasive alternative. We present a randomized controlled trial comparing radiofrequency microdebridement using the Topaz(®) microdebrider wand and traditional surgical decompression. All patients with Achilles tendinosis referred to a single surgeon and meeting the inclusion criteria were invited to participate in our single-blinded, randomized controlled study...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28479081/identifying-distinct-risk-profiles-to-predict-adverse-events-among-community-dwelling-older-adults
#15
Melissa O'Connor, Alexandra Hanlon, Elizabeth Mauer, Salimah Meghani, Ruth Masterson-Creber, Sherry Marcantonio, Ken Coburn, Janet Van Cleave, Joan Davitt, Barbara Riegel, Kathryn H Bowles, Susan Keim, Sherry A Greenberg, Justine S Sefcik, Maxim Topaz, Dexia Kong, Mary Naylor
Preventing adverse events among chronically ill older adults living in the community is a national health priority. The purpose of this study was to generate distinct risk profiles and compare these profiles in time to: hospitalization, emergency department (ED) visit or death in 371 community-dwelling older adults enrolled in a Medicare demonstration project. Guided by the Behavioral Model of Health Service Use, a secondary analysis was conducted using Latent Class Analysis to generate the risk profiles with Kaplan Meier methodology and log rank statistics to compare risk profiles...
May 4, 2017: Geriatric Nursing
https://www.readbyqxmd.com/read/28460740/comparison-of-30-day-and-long-term-outcomes-and-hospital-complications-among-patients-aged-75-versus-%C3%A2-75%C3%A2-years-with-st-elevation-myocardial-infarction-undergoing-percutaneous-coronary-intervention
#16
COMPARATIVE STUDY
Guy Topaz, Ariel Finkelstein, Nir Flint, Yacov Shacham, Shmuel Banai, Arie Steinvil, Yaron Arbel, Gad Keren, Lior Yankelson
Our aim was to evaluate the mortality rate and occurrence of complications in patients aged <75 versus ≥75 years with ST-elevation myocardial infarction (STEMI). We studied 1,657 consecutive patients with STEMI hospitalized in the cardiac intensive care unit during 2008 to 2014. All patients underwent primary percutaneous intervention, of which 292 (18%) were aged ≥75 years. Patient records were evaluated for in-hospital complications, 30-day mortality, and long-term mortality over a mean period of 3...
June 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28390742/long-term-prognosis-of-atrial-fibrillation-in-st-elevation-myocardial-infarction-patients-undergoing-percutaneous-coronary-intervention
#17
Guy Topaz, Nir Flint, Arie Steinvil, Arik Finkelstein, Shmuel Banai, Gad Keren, Yacov Shacham, Lior Yankelson
BACKGROUND: Atrial fibrillation (AF) is a well-known complication in the setting of ST elevation myocardial infarction (STEMI). Data on the long-term prognostic implications of New-Onset AF (NOAF) complicating STEMI in the era of complete revascularization remains controversial. Our aim therefore was to evaluate the long-term prognosis of prior AF (pAF) and new-onset AF (NOAF) in STEMI patients undergoing percutaneous coronary intervention (PCI). METHODS: We studied 1657 consecutive STEMI patients hospitalized in the cardiac intensive care unit during 2008-2014...
March 16, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28373710/single-cell-imaging-and-quantification-of-tdp-43-and-%C3%AE-synuclein-intercellular-propagation
#18
Sivan Peled, Dorin Sade, Yaron Bram, Ziv Porat, Topaz Kreiser, Michael Mimouni, Alexandra Lichtenstein, Daniel Segal, Ehud Gazit
The intercellular spreading of protein assemblies is a major factor in the progression of neurodegenerative disorders. The quantitative study and visualization of cell-to-cell propagation using tagged-proteins is challenging due to the steric effect of relatively large fluorescence tags and the risk of 'false positive' identification when analyzing these rare transmission events. Here, we established a cell culture model to characterize the cell-to-cell transmission of TAR DNA-binding protein and α-synuclein, involved in amyotrophic lateral sclerosis and Parkinson's disease, respectively, using the small nine amino acid influenza hemagglutinin tag...
March 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28300211/als-along-the-axons-expression-of-coding-and-noncoding-rna-differs-in-axons-of-als-models
#19
Nimrod Rotem, Iddo Magen, Ariel Ionescu, Noga Gershoni-Emek, Topaz Altman, Christopher J Costa, Tal Gradus, Metsada Pasmanik-Chor, Dianna E Willis, Iddo Z Ben-Dov, Eran Hornstein, Eran Perlson
Amyotrophic lateral sclerosis (ALS) is a multifactorial lethal motor neuron disease with no known treatment. Although the basic mechanism of its degenerative pathogenesis remains poorly understood, a subcellular spatial alteration in RNA metabolism is thought to play a key role. The nature of these RNAs remains elusive, and a comprehensive characterization of the axonal RNAs involved in maintaining neuronal health has yet to be described. Here, using cultured spinal cord (SC) neurons grown using a compartmented platform followed by next-generation sequencing (NGS) technology, we find that RNA expression differs between the somatic and axonal compartments of the neuron, for both mRNA and microRNA (miRNA)...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28295260/hospital-readmission-and-social-risk-factors-identified-from-physician-notes
#20
Amol S Navathe, Feiran Zhong, Victor J Lei, Frank Y Chang, Margarita Sordo, Maxim Topaz, Shamkant B Navathe, Roberto A Rocha, Li Zhou
OBJECTIVE: To evaluate the prevalence of seven social factors using physician notes as compared to claims and structured electronic health records (EHRs) data and the resulting association with 30-day readmissions. STUDY SETTING: A multihospital academic health system in southeastern Massachusetts. STUDY DESIGN: An observational study of 49,319 patients with cardiovascular disease admitted from January 1, 2011, to December 31, 2013, using multivariable logistic regression to adjust for patient characteristics...
March 13, 2017: Health Services Research
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