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Angela L Perez, Monty Liong, Kevin Plotkin, Keith P Rickabaugh, Dennis J Paustenbach
This study provides an exposure and risk assessment of diundecyl phthalate (DUP), a high molecular weight phthalate plasticizer present in automobile interiors. Total daily intake of DUP was calculated from DUP measured in wipe samples from vehicle seats from six automobiles. Four of the vehicles exhibited atypical visible surface residue on the seats. Two vehicles with no visible surface residue were sampled as a comparison. DUP was the predominant organic compound identified in each of the wipes from all seats...
October 18, 2016: Chemosphere
Alan F Cowman, Julie Healer, Danushka Marapana, Kevin Marsh
Malaria has been a major global health problem of humans through history and is a leading cause of death and disease across many tropical and subtropical countries. Over the last fifteen years renewed efforts at control have reduced the prevalence of malaria by over half, raising the prospect that elimination and perhaps eradication may be a long-term possibility. Achievement of this goal requires the development of new tools including novel antimalarial drugs and more efficacious vaccines as well as an increased understanding of the disease and biology of the parasite...
October 20, 2016: Cell
Kellie J Carim, Kyle R Christianson, Kevin M McKelvey, William M Pate, Douglas B Silver, Brett M Johnson, Benjamin T Galloway, Michael K Young, Michael K Schwartz
[This corrects the article DOI: 10.1371/journal.pone.0161664.].
2016: PloS One
Swarupa Kancherla, William J Kohler, Yolandi van der Merwe, Kevin C Chan
Visual function has been shown to deteriorate prior to the onset of retinopathy in some diabetic patients and experimental animal models. This suggests the involvement of the brain's visual system in the early stages of diabetes. In this study, we tested this hypothesis by examining the integrity of the visual pathway in a diabetic rat model using in vivo multi-modal magnetic resonance imaging (MRI). Ten-week-old Sprague-Dawley rats were divided into an experimental diabetic group by intraperitoneal injection of 65 mg/kg streptozotocin in 0...
2016: PloS One
Gareth Davies, Gerald Yeo, Mahendrakumar Meta, David Miller, Erik Hohmann, Kevin Tetsworth
OBJECTIVES: To compare the risk of major complications after either minimally invasive plate osteosynthesis (MIPO) or intramedullary nailing (IMN) of humeral shaft fractures. DESIGN: Retrospective, case-match controlled study. SETTING: A major metropolitan tertiary referral trauma center in Australia. PATIENTS: Thirty patients with fractures of the humeral shaft. INTERVENTION: Either MIPO or IMN were performed on 15 patients each with traumatic humeral shaft fractures...
November 2016: Journal of Orthopaedic Trauma
Ravinder Bamba, Thanapong Waitayawinyu, Ratnam Nookala, David Colton Riley, Richard B Boyer, Kevin W Sexton, Chinnakart Boonyasirikool, Sunyarn Niempoog, Nathaniel D Kelm, Mark D Does, Richard D Dortch, Robert Bruce Shack, Wesley P Thayer
BACKGROUND: Peripheral nerve injury can have a devastating impact on our military and veteran population. Current strategies for peripheral nerve repair include techniques such as nerve tubes, nerve grafts, tissue matrices, and nerve growth guides to enhance the number of regenerating axons. Even with such advanced techniques, it takes months to regain function. In animal models, polyethylene glycol (PEG) therapy has shown to improve both physiologic and behavioral outcomes after nerve transection by fusion of a portion of the proximal axons to the distal axon stumps...
November 2016: Journal of Trauma and Acute Care Surgery
Nehemiah T Liu, José Salinas, Craig A Fenrich, Maria L Serio-Melvin, George C Kramer, Ian R Driscoll, Martin A Schreiber, Leopoldo C Cancio, Kevin K Chung
INTRODUCTION: The depth of burn has been an important factor often overlooked when estimating the total resuscitation fluid needed for early burn care. The goal of this study was to determine the degree to which full-thickness (FT) involvement affected overall 24-hour burn resuscitation volumes. METHODS: We performed a retrospective review of patients admitted to our burn intensive care unit from December 2007 to April 2013, with significant burns that required resuscitation using our computerized decision support system for burn fluid resuscitation...
November 2016: Journal of Trauma and Acute Care Surgery
David Picker, Maria Dans, Kevin Heard, Thomas Bailey, Yixin Chen, Chenyang Lu, Marin H Kollef
OBJECTIVE: To determine whether an Early Warning System could identify patients wishing to focus on palliative care measures. DESIGN: Prospective, randomized, pilot study. SETTING: Barnes-Jewish Hospital, Saint Louis, MO (January 15, 2015, to December 12, 2015). PATIENTS: A total of 206 patients; 89 intervention (43.2%) and 117 controls (56.8%). INTERVENTIONS: Palliative care in high-risk patients targeted by an Early Warning System...
October 20, 2016: Critical Care Medicine
Kevin Kalisz, Ji Buethe, Sachin S Saboo, Suhny Abbara, Sandra Halliburton, Prabhakar Rajiah
Computed tomography is vulnerable to a wide variety of artifacts, including patient- and technique-specific artifacts, some of which are unique to imaging of the heart. Motion is the most common source of artifacts and can be caused by patient, cardiac, or respiratory motion. Cardiac motion artifacts can be reduced by decreasing the heart rate and variability and the duration of data acquisition; adjusting the placement of the data window within a cardiac cycle; performing single-heartbeat scanning; and using multisegment reconstruction, motion-correction algorithms, and electrocardiographic editing...
October 21, 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
Martie L Skinner, Kevin P Haggerty, Mary Casey-Goldstein, Ronald W Thompson, Laura Buddenberg, W Alex Mason
OBJECTIVES: The changes in Washington State and Colorado marijuana laws call for the development of new brief family-focused adolescent marijuana use preventive interventions that are relevant for and tailored to the context of legalization for retail sale. To that end, focus groups with parents and teens were conducted to find out about their concerns and needs in the context of legalization. METHODS: Six semi-structured focus groups (3 with parents, 3 with teens) were conducted in Washington State in 2013 related to consequences of teen marijuana use and messages that would be effective in helping to prevent teens from using marijuana in the context of legal adult use...
October 21, 2016: Substance Use & Misuse
Sapna Kaul, Rochelle R Smits-Seemann, Eduardo R Zamora, Holly Spraker-Perlman, Kevin J Boyle, Anne C Kirchhoff
PURPOSE: Examine whether survivors of adolescent and young adult (AYA) cancer value recommended post-treatment care using focus groups and a willingness to pay (WTP) survey. WTP, a measure of value, indicates the dollar amount individuals are willing to pay to use a service. METHODS: Participants were recruited through the Utah Cancer Registry. N = 28 survivors diagnosed with cancer at ages 15-39 and currently aged ≥18 participated in focus groups, and N = 4 in phone interviews (participation rate = 50%)...
October 21, 2016: Journal of Adolescent and Young Adult Oncology
Ashleigh A McGirr, Kevin L Schwartz, Upton Allen, Melinda Solomon, Beate Sander
Background Children with cystic fibrosis (CF) are at higher risk of severe respiratory syncytial virus (RSV) infection, which can lead to a decline in lung function. A monoclonal antibody, palivizumab (PMB), effectively prevents RSV hospitalizations; however, the high cost of PMB, approximately C$10,000 per patient per RSV season, limits its widespread use. We assess the cost-effectiveness of PMB prophylaxis in CF children less than 2 years of age from the Canadian healthcare payer's perspective. Methods In 2014, a Markov cohort model of CF disease and infant RSV infections in the Canadian setting was developed based on literature data...
October 21, 2016: Human Vaccines & Immunotherapeutics
Zhihui Yang, Fan Lin, Amanda S Weissman, Emily Jaalouk, Qing-Shan Xue, Kevin K W Wang
Despite the concussion/ mild traumatic brain injury (mTBI) being the most frequent occurrence of traumatic brain injury, there is still a lack of knowledge on the injury and its effects. To develop a better understanding of concussions, animals are often used because they provide a controlled, rigorous, and efficient model. Studies have adapted traditional animal models to perform mTBI to stimulate mild injury severity by changing the injury parameters. These models have been used because they can produce morphologically similar brain injuries to the clinical condition and provide a spectrum of injury severities...
October 12, 2016: Journal of Visualized Experiments: JoVE
Charat Thongprayoon, Wisit Cheungpasitporn, Narat Srivali, Andrew M Harrison, Wonngarm Kittanamongkolchai, Kevin L Greason, Kianoush B Kashani
BACKGROUND: The aim of this study was to compare the incidence of post-procedural acute kidney injury (AKI) and other renal outcomes in patients undergoing transapical (TA) and transfemoral (TF) approaches for transcatheter aortic valve replacement (TAVR). METHODS: All consecutive adult patients undergoing TAVR for aortic stenosis from 1 January 2008 to 30 June 2014 at a tertiary referral hospital were included. AKI was defined based on Kidney Disease Improving Global Outcomes (KDIGO) criteria...
October 21, 2016: Renal Failure
Margaret L Salisbury, David A Lynch, Edwin J R van Beek, Ella A Kazerooni, Junfeng Guo, Meng Xia, Susan Murray, Kevin J Anstrom, Eric Yow, Fernando J Martinez, Eric A Hoffman, Kevin R Flaherty
RATIONALE: Adaptive Multiple Features Method (AMFM) lung texture analysis software recognizes high-resolution computed tomography (HRCT) patterns. OBJECTIVES: We evaluated AMFM and visual quantification of HRCT patterns and their relationship with disease progression in Idiopathic Pulmonary Fibrosis. METHODS: IPF patients in a clinical trial of prednisone, azathioprine, and N-acetylcysteine underwent HRCT at study start and finish. Proportion of lung occupied by ground glass, ground glass-reticular (GGR), honeycombing, emphysema, and normal were measured by AMFM and 3 radiologists, documenting baseline disease extent and post-baseline change...
October 21, 2016: American Journal of Respiratory and Critical Care Medicine
Bruce Wen, Kirby R Campbell, Karissa Tilbury, Oleg Nadiarnykh, Molly A Brewer, Manish Patankar, Vikas Singh, Kevin W Eliceiri, Paul J Campagnola
Remodeling of the collagen architecture in the extracellular matrix (ECM) has been implicated in ovarian cancer. To quantify these alterations we implemented a form of 3D texture analysis to delineate the fibrillar morphology observed in 3D Second Harmonic Generation (SHG) microscopy image data of normal (1) and high risk (2) ovarian stroma, benign ovarian tumors (3), low grade (4) and high grade (5) serous tumors, and endometrioid tumors (6). We developed a tailored set of 3D filters which extract textural features in the 3D image sets to build (or learn) statistical models of each tissue class...
October 21, 2016: Scientific Reports
Christophe Beclin, Philipp Follert, Elke Stappers, Serena Barral, Coré Nathalie, Antoine de Chevigny, Virginie Magnone, Kévin Lebrigand, Ute Bissels, Danny Huylebroeck, Andreas Bosio, Pascal Barbry, Eve Seuntjens, Harold Cremer
During neurogenesis, generation, migration and integration of the correct numbers of each neuron sub-type depends on complex molecular interactions in space and time. MicroRNAs represent a key control level allowing the flexibility and stability needed for this process. Insight into the role of this regulatory pathway in the brain is still limited. We performed a sequential experimental approach using postnatal olfactory bulb neurogenesis in mice, starting from global expression analyses to the investigation of functional interactions between defined microRNAs and their targets...
October 21, 2016: Scientific Reports
David Snipelisky, Yogesh N V Reddy, Kevin Manocha, Aalok Patel, Shannon M Dunlay, Paul A Friedman, Thomas M Munger, Samuel J Asirvatham, Douglas L Packer, Yong-Mei Cha, Suraj Kapa, Peter A Brady, Peter A Noseworthy, Joseph J Maleszewski, Siva K Mulpuru
BACKGROUND: Patients with advanced heart failure (HF) are predisposed to ventricular arrhythmias (VA), particularly following implantation of an LVAD. There is minimal evidence for appropriate management strategies. OBJECTIVES: This study aimed to compare the burden of VA and response to ablation performed either before or following left ventricular assist device (LVAD) implantation. METHODS: We created a retrospective cohort of patients who underwent both VA ablation and HeartMate II (Thoratec, CA) LVAD implantation at Mayo Clinic (Rochester, MN)...
October 21, 2016: Journal of Cardiovascular Electrophysiology
Joan Yw Liu, Cheryl Reeves, Beate Diehl, Antonietta Coppola, Aliya Al-Hajri, Chandrashekar Hoskote, Salim Al Mughairy, Mohamed Tachrount, Michael Groves, Zuzanna Michalak, Kevin Mills, Andrew W McEvoy, Anna Miserocchi, Sanjay M Sisodiya, Maria Thom
OBJECTIVE: This study reports on a novel brain pathology in young patients with Frontal Lobe Epilepsy that is distinct from Focal Cortical Dysplasia. METHODS: Surgical specimens from twenty young adults with frontal lobe epilepsy (mean age, 30 years) were investigated with histological/immunohistochemical markers for cortical laminar architecture, mammalian target of rapamycin pathway activation and inhibition, cellular autophagy, and synaptic vesicle-mediated trafficking as well as proteomics analysis...
October 20, 2016: Annals of Neurology
Aleksandra Gil-Krzewska, Yousuke Murakami, Giovanna Peruzzi, Kevin J O'Brien, Melissa A Merideth, Andrew R Cullinane, William A Gahl, John E Coligan, Bernadette R Gochuico, Konrad Krzewski
Hermansky-Pudlak syndrome (HPS) encompasses disorders with abnormal function of lysosomes and lysosome-related organelles, and some patients who develop immunodeficiency. The basic mechanisms contributing to immune dysfunction in HPS are ill-defined. We analysed natural killer (NK) cells from patients diagnosed with HPS-1, HPS-2, HPS-4, and an unreported HPS subtype. NK cells from an HPS-2 and an unreported HPS subtype share a similar cellular phenotype with defective granule release and cytotoxicity, but differ in cytokine exocytosis...
October 21, 2016: British Journal of Haematology
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