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https://www.readbyqxmd.com/read/28214457/operative-fixation-of-rib-fractures-indications-techniques-and-outcomes
#1
David Galos, Benjamin Taylor, Toni McLaurin
Rib fractures are extremely common injuries and vary in there severity from single nondisplaced fractures to multiple segmental fractures resulting in flail chest and respiratory compromise. Historically, rib fractures have been treated conservatively with pain control and respiratory therapy. However this method may not be the best treatment modality in all situations. Operative fixation of select rib fractures has been increasing in popularity especially in patients with flail chest and respiratory compromise...
January 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28194286/central-venous-catheter-related-bloodstream-infection-with-kocuria-kristinae-in-a-patient-with-propionic-acidemia
#2
Masato Kimura, Eichiro Kawai, Hisao Yaoita, Natsuko Ichinoi, Osamu Sakamoto, Shigeo Kure
Kocuria kristinae is a catalase-positive, coagulase-negative, Gram-positive coccus found in the environment and in normal skin and mucosa in humans; however, it is rarely isolated from clinical specimens and is considered a nonpathogenic bacterium. We describe a case of catheter-related bacteremia due to K. kristinae in a young adult with propionic acidemia undergoing periodic hemodialysis. The patient had a central venous catheter implanted for total parenteral nutrition approximately 6 months prior to the onset of symptoms because of repeated acute pancreatitis...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28169369/fast-and-quantitative-t1%C3%AF-weighted-dynamic-glucose-enhanced-mri
#3
Patrick Schuenke, Daniel Paech, Christina Koehler, Johannes Windschuh, Peter Bachert, Mark E Ladd, Heinz-Peter Schlemmer, Alexander Radbruch, Moritz Zaiss
Common medical imaging techniques usually employ contrast agents that are chemically labeled, e.g. with radioisotopes in the case of PET, iodine in the case of CT or paramagnetic metals in the case of MRI to visualize the heterogeneity of the tumor microenvironment. Recently, it was shown that natural unlabeled D-glucose can be used as a nontoxic biodegradable contrast agent in Chemical Exchange sensitive Spin-Lock (CESL) magnetic resonance imaging (MRI) to detect the glucose uptake and potentially the metabolism of tumors...
February 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28129122/phase-1-results-of-zuma-1-a-multicenter-study-of-kte-c19-anti-cd19-car-t-cell-therapy-in-refractory-aggressive-lymphoma
#4
Frederick L Locke, Sattva S Neelapu, Nancy L Bartlett, Tanya Siddiqi, Julio C Chavez, Chitra M Hosing, Armin Ghobadi, Lihua E Budde, Adrian Bot, John M Rossi, Yizhou Jiang, Allen X Xue, Meg Elias, Jeff Aycock, Jeff Wiezorek, William Y Go
Outcomes for patients with refractory diffuse large B cell lymphoma (DLBCL) are poor. In the multicenter ZUMA-1 phase 1 study, we evaluated KTE-C19, an autologous CD3ζ/CD28-based chimeric antigen receptor (CAR) T cell therapy, in patients with refractory DLBCL. Patients received low-dose conditioning chemotherapy with concurrent cyclophosphamide (500 mg/m(2)) and fludarabine (30 mg/m(2)) for 3 days followed by KTE-C19 at a target dose of 2 × 10(6) CAR T cells/kg. The incidence of dose-limiting toxicity (DLT) was the primary endpoint...
January 4, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28120698/short-course-daptomycin-lock-and-systemic-therapy-for-catheter-related-bloodstream-infections-a-retrospective-cohort-study-in-cancer-patients-with-surgically-implanted-devices
#5
Matteo Vassallo, Pierre-Luc Genillier, Brigitte Dunais, Regis Kaphan, Laurence Saudes, Yannick Duval, Fabien Rolland, Valerie Jullien, Nicolas Weiss, Elea Blanchouin, Annick Boscagli, Christophe Perrin, Nathalie Montagne
PURPOSE: Few in vivo studies have been reported describing efficacy and duration of antibiotic lock therapy (ALT) with daptomycin (DPT) for long-term catheter-related bloodstream infections (CRBSI) due to coagulase-negative staphylococci (CoNS). We retrospectively analysed the efficacy of short-course ALT with DPT in combination with systemic treatment (ST) for CoNS-associated CRBSI in our hospital. METHODS: Patients admitted for CoNS-associated CRBSI and treated with DPT as ALT and ST were retrospectively analysed...
January 25, 2017: Journal of Chemotherapy
https://www.readbyqxmd.com/read/28119366/bioluminescence-imaging-enhances-analysis-of-drug-responses-in-a-patient-derived-xenograft-model-of-pediatric-all
#6
Luke Jones, Jennifer Richmond, Kathryn Evans, Hernan Carol, Duohui Jing, Raushan T Kurmasheva, Catherine A Billups, Peter J Houghton, Malcolm A Smith, Richard B Lock
PURPOSE: Robust preclinical models of pediatric acute lymphoblastic leukemia (ALL) are essential in prioritizing promising therapies for clinical assessment in high-risk patients. Patient-derived xenograft (PDX) models of ALL provide a clinically relevant platform for assessing novel drugs, with efficacy generally assessed by enumerating circulating human lymphoblasts in mouse peripheral blood (PB) as an indicator of disease burden. While allowing indirect measurement of disease burden in real-time, this technique cannot assess treatment effects on internal reservoirs of disease...
January 24, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28101966/the-free-energy-of-locking-a-ring-changing-a-deoxyribonucleoside-to-a-locked-nucleic-acid
#7
You Xu, Alessandra Villa, Lennart Nilsson
Locked nucleic acid (LNA), a modified nucleoside which contains a bridging group across the ribose ring, improves the stability of DNA/RNA duplexes significantly, and therefore is of interest in biotechnology and gene therapy applications. In this study, we investigate the free energy change between LNA and DNA nucleosides. The transformation requires the breaking of the bridging group across the ribose ring, a problematic transformation in free energy calculations. To address this, we have developed a 3-step (easy to implement) and a 1-step protocol (more efficient, but more complicated to setup), for single and dual topologies in classical molecular dynamics simulations, using the Bennett Acceptance Ratio method to calculate the free energy...
January 19, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28099517/walking-on-a-vertically-oscillating-treadmill-phase-synchronization-and-gait-kinematics
#8
Jeff A Nessler, Severne Heredia, Jacques Bélair, John Milton
Sensory motor synchronization can be used to alter gait behavior. This type of therapy may be useful in a rehabilitative setting, though several questions remain regarding the most effective way to promote and sustain synchronization. The purpose of this study was to describe a new technique for using synchronization to influence a person's gait and to compare walking behavior under this paradigm with that of side by side walking. Thirty one subjects walked on a motorized treadmill that was placed on a platform that oscillated vertically at various frequencies and amplitudes...
2017: PloS One
https://www.readbyqxmd.com/read/28073883/infective-endocarditis-and-risk-of-death-after-cardiac-implantable-electronic-device-implantation-a-nationwide-cohort-study
#9
Cengiz Özcan, Jakob Raunsø, Morten Lamberts, Lars Køber, Tommi Bo Lindhardt, Niels Eske Bruun, Marie Louise Laursen, Christian Torp-Pedersen, Gunnar Hilmar Gislason, Morten Lock Hansen
AIMS: To determine the incidence, risk factors, and mortality of infective endocarditis (IE) following implantation of a first-time, permanent, cardiac implantable electronic device (CIED). METHODS AND RESULTS: From Danish nationwide administrative registers (beginning in 1996), we identified all de-novo permanent pacemakers (PMs) and implantable cardioverter defibrillators (ICDs) together with the occurrence of post-implantation IE-events in the period from 2000-2012...
January 10, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28073694/hiv-latency-should-we-shock-or-lock
#10
REVIEW
Gilles Darcis, Benoit Van Driessche, Carine Van Lint
Combinatory antiretroviral therapy (cART) increases the survival and quality of life of HIV-1-infected patients. However, interruption of therapy almost invariably leads to the re-emergence of detectable viral replication because HIV-1 persists in viral latent reservoirs. Improved understanding of the molecular mechanisms involved in HIV-1 latency has paved the way for innovative strategies that attempt to purge latent virus. In this article we discuss the results of the broadly explored 'shock and kill' strategy, and also highlight the major hurdles facing this approach...
January 7, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28067056/potential-benefit-of-rotational-radiation-therapy
#11
Jason Vickress, Michael Lock, Simon Lo, Slav Yartsev
No abstract text is available yet for this article.
January 9, 2017: Future Oncology
https://www.readbyqxmd.com/read/28058671/possible-muscle-repair-in-the-human-cardiovascular-system
#12
REVIEW
Linda Sommese, Alberto Zullo, Concetta Schiano, Francesco P Mancini, Claudio Napoli
The regenerative potential of tissues and organs could promote survival, extended lifespan and healthy life in multicellular organisms. Niches of adult stemness are widely distributed and lead to the anatomical and functional regeneration of the damaged organ. Conversely, muscular regeneration in mammals, and humans in particular, is very limited and not a single piece of muscle can fully regrow after a severe injury. Therefore, muscle repair after myocardial infarction is still a chimera. Recently, it has been recognized that epigenetics could play a role in tissue regrowth since it guarantees the maintenance of cellular identity in differentiated cells and, therefore, the stability of organs and tissues...
January 5, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28050150/risk-stratification-treatment-selection-and-transplant-eligibility-in-multiple-myeloma-a-qualitative-study-of-the-perspectives-and-self-reported-practices-of-oncologists
#13
T W LeBlanc, A Howson, W Turell, P Sheldon, S C Locke, S A Tuchman, C Gasparetto, S Kaura, Z M Khan, A P Abernethy
BACKGROUND: Since the early 2000s, treatment options for multiple myeloma have rapidly expanded, adding significant complexity to the management of this disease. To our knowledge, no systematic qualitative research on clinical decision-making in multiple myeloma has been published. We sought to characterize how physicians view and implement guidelines and incorporate novel approaches into patient care. METHODS: We designed a semi-structured qualitative interview guide informed by literature review and an expert advisory panel...
December 2016: Current Oncology
https://www.readbyqxmd.com/read/28048848/mo-fg-campus-jep3-04-feasibility-study-of-real-time-ultrasound-monitoring-for-abdominal-stereotactic-body-radiation-therapy
#14
Lin Su, Sook Kien Ng, Ying Zhang, Tianlong Ji, Iulian Iordachita, Joseph Herman, John Wong, H Tutkun Sen, Peter Kazanzides, Muyinatu A Lediju Bell, Kai Ding
PURPOSE: Ultrasound is ideal for real-time monitoring in radiotherapy with high soft tissue contrast, non-ionization, portability, and cost effectiveness. Few studies investigated clinical application of real-time ultrasound monitoring for abdominal stereotactic body radiation therapy (SBRT). This study aims to demonstrate the feasibility of real-time monitoring of 3D target motion using 4D ultrasound. METHODS: An ultrasound probe holding system was designed to allow clinician to freely move and lock ultrasound probe...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28007997/stimulating-at-the-right-time-phase-specific-deep-brain-stimulation
#15
Hayriye Cagnan, David Pedrosa, Simon Little, Alek Pogosyan, Binith Cheeran, Tipu Aziz, Alexander Green, James Fitzgerald, Thomas Foltynie, Patricia Limousin, Ludvic Zrinzo, Marwan Hariz, Karl J Friston, Timothy Denison, Peter Brown
SEE MOLL AND ENGEL DOI101093/AWW308 FOR A SCIENTIFIC COMMENTARY ON THIS ARTICLE: Brain regions dynamically engage and disengage with one another to execute everyday actions from movement to decision making. Pathologies such as Parkinson's disease and tremor emerge when brain regions controlling movement cannot readily decouple, compromising motor function. Here, we propose a novel stimulation strategy that selectively regulates neural synchrony through phase-specific stimulation. We demonstrate for the first time the therapeutic potential of such a stimulation strategy for the treatment of patients with pathological tremor...
January 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28007665/cd25-blockade-delays-regulatory-t-cell-reconstitution-and-does-not-prevent-graft-versus-host-disease-after-allogeneic-hematopoietic-cell-transplantation
#16
Frederick L Locke, Joseph Pidala, Barry Storer, Paul J Martin, Michael A Pulsipher, Thomas R Chauncey, Niels Jacobsen, Nicolaus Kröger, Irwin Walker, Susan Light, Bronwen E Shaw, Francisca Beato, Ginna G Laport, Auayporn Nademanee, Armand Keating, Gerard Socie, Claudio Anasetti
Daclizumab, a humanized monoclonal antibody, binds CD25 and blocks formation of the IL-2 receptor on T cells. A study of daclizumab as acute graft-versus-host disease (GVHD) prophylaxis after unrelated bone marrow transplantation was conducted before the importance of CD25(+)FOXP3(+) regulatory T cells (Tregs) was recognized. Tregs can abrogate the onset of GVHD. The relation between Tregs and a graft-versus-malignancy effect is not fully understood. An international, multicenter, double-blind clinical trial randomized 210 adult or pediatric patients to receive 5 weekly doses of daclizumab at 0...
December 19, 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28007348/home-use-of-a-bihormonal-bionic-pancreas-versus-insulin-pump-therapy-in-adults-with-type-1-diabetes-a-multicentre-randomised-crossover-trial
#17
Firas H El-Khatib, Courtney Balliro, Mallory A Hillard, Kendra L Magyar, Laya Ekhlaspour, Manasi Sinha, Debbie Mondesir, Aryan Esmaeili, Celia Hartigan, Michael J Thompson, Samir Malkani, J Paul Lock, David M Harlan, Paula Clinton, Eliana Frank, Darrell M Wilson, Daniel DeSalvo, Lisa Norlander, Trang Ly, Bruce A Buckingham, Jamie Diner, Milana Dezube, Laura A Young, April Goley, M Sue Kirkman, John B Buse, Hui Zheng, Rajendranath R Selagamsetty, Edward R Damiano, Steven J Russell
BACKGROUND: The safety and effectiveness of a continuous, day-and-night automated glycaemic control system using insulin and glucagon has not been shown in a free-living, home-use setting. We aimed to assess whether bihormonal bionic pancreas initialised only with body mass can safely reduce mean glycaemia and hypoglycaemia in adults with type 1 diabetes who were living at home and participating in their normal daily routines without restrictions on diet or physical activity. METHODS: We did a random-order crossover study in volunteers at least 18 years old who had type 1 diabetes and lived within a 30 min drive of four sites in the USA...
January 28, 2017: Lancet
https://www.readbyqxmd.com/read/27999062/5-hydroxyethyl-3-tetradecanoyltetramic-acid-represents-a-novel-treatment-for-intravascular-catheter-infections-due-to-staphylococcus-aureus
#18
Marta Zapotoczna, Ewan J Murray, Siobhan Hogan, James P O'Gara, Siri R Chhabra, Weng C Chan, Eoghan O'Neill, Paul Williams
OBJECTIVES: Biofilm infections of intravascular catheters caused by Staphylococcus aureus may be treated with catheter lock solutions (CLSs). Here we investigated the antibacterial activity, cytotoxicity and CLS potential of 5-hydroxyethyl-3-tetradecanoyltetramic acid (5HE-C14-TMA) compared with the related compounds 3-tetradecanoyltetronic (C14-TOA) and 3-tetradecanoylthiotetronic (C14-TTA), which are variants of quorum sensing signalling molecules produced by Pseudomonas aeruginosa METHODS: Antibacterial activity and mechanism of action of 5HE-C14-TMA, C14-TOA and C14-TTA were determined via MIC, bacterial killing, membrane potential and permeability assays...
December 20, 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27988257/parametric-characterization-of-neural-activity-in-the-locus-coeruleus-in-response-to-vagus-nerve-stimulation
#19
Daniel R Hulsey, Jonathan R Riley, Kristofer W Loerwald, Robert L Rennaker, Michael P Kilgard, Seth A Hays
Vagus nerve stimulation (VNS) has emerged as a therapy to treat a wide range of neurological disorders, including epilepsy, depression, stroke, and tinnitus. Activation of neurons in the locus coeruleus (LC) is believed to mediate many of the effects of VNS in the central nervous system. Despite the importance of the LC, there is a dearth of direct evidence characterizing neural activity in response to VNS. A detailed understanding of the brain activity evoked by VNS across a range of stimulation parameters may guide selection of stimulation regimens for therapeutic use...
March 2017: Experimental Neurology
https://www.readbyqxmd.com/read/27941362/molecular-characterization-of-endometrial-cancer-and-therapeutic-implications
#20
Locke Uppendahl, Sally A Mullany, Boris Winterhoff
PURPOSE OF REVIEW: This article reviews the emerging comprehensive genomic classification of endometrial carcinoma and discusses the therapeutic implications of these subgroups. RECENT FINDINGS: Comprehensive, multiplatform evaluation of endometrial cancers by the Cancer Genome Atlas stratified the molecular aberrations into four distinct subtypes: POLE mutations, microsatellite instability, copy-number low/microsatellite stable, and copy-number high/'serous-like...
February 2017: Current Opinion in Obstetrics & Gynecology
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