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https://www.readbyqxmd.com/read/28099432/an-analysis-of-the-last-clinical-encounter-before-outpatient-mortality-among-children-with-hiv-infection-and-exposure-in-lilongwe-malawi
#1
Chris A Rees, Robert J Flick, David Sullivan, Menard Bvumbwe, Joseph Mhango, Mina C Hosseinipour, Peter N Kazembe
BACKGROUND: Human immunodeficiency virus (HIV) contributes to nearly 20% of all deaths in children under five years of age in Malawi. Expanded coverage of antiretroviral therapy has allowed children to access treatment on an outpatient basis. Little is known about characteristics of the final outpatient encounter prior to mortality in the outpatient setting. METHODS: This retrospective cohort study assessed clinical factors associated with mortality among HIV-exposed infants and HIV-infected children less than 18 years of age at the Baylor College of Medicine Abbott Fund Children's Center of Excellence in Lilongwe, Malawi...
2017: PloS One
https://www.readbyqxmd.com/read/28078659/summer-research-training-provides-effective-tools-for-underrepresented-minorities-to-obtain-doctoral-level-degrees
#2
Oluwatoyin A Asojo, Ashish Damania, Teri L Turner, Gayle Slaughter, Kendal D Hirschi
The ethnic, racial, and cultural diversity of the USA is not reflected in its healthcare and biomedical workforce. Undergraduate research programs are used to encourage underrepresented minorities to pursue training for biomedical careers, but there is limited published data on doctoral degree completion rates by participants in these programs. This study evaluates the attainment of doctoral degrees by a NIH-funded cohort of undergraduates from the 1998-2002 Baylor College of Medicine's Summer Medical Research Training (SMART) program...
January 11, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28047762/su-f-t-496-an-investigation-of-two-novel-devices-for-testing-linac-clearance-during-ct-simulation
#3
A Morrow, B Massingill
PURPOSE: This work's objective is to determine the efficacy of two newly patented devices termed the Mor-O rings, Mark1 and Mark2, developed to predict collisions between the patient and a linac at the time of CT simulation. METHODS: Mark1: A ring with an inner radius equal to the distance between the isocenter and the nearest portion of a linac head(diso) was made. This is mounted to a stand that allows vertical repositioning. The ring is placed around the patient on the CT table and aligned with isocenter...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047262/tu-h-campus-iep3-03-validation-of-image-registration-methods-for-brain-magnetic-resonance-imaging
#4
J Lin, D Fuentes, A Chandler, J Hazle, D Schellingerhout, C MacLellan
PURPOSE: To assess the performance of both commercial and open-source co-registration solutions as applied to intra-subject, multi-sequence, magnetic resonance (MR) images of the brain. METHODS: Twenty (20) patients were imaged on clinical 3.0T MR scanners to obtain T2-weighted (T2W), fluid attenuation inversion recovery (FLAIR), susceptibility weighted angiography (SWAN), and T1 post-contrast (T1C) image sequences. Fiducial landmark sites (n=15 per sequence, 4 sequences per patient, 1200 total planned for 4 sequences and 20 patients, 1175 total realized) were specified throughout these image volumes to define identical locations across sequences...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28027793/growth-of-the-maxillary-sinus-in-children-and-adolescents-a-longitudinal-study
#5
S L Smith, P H Buschang, P C Dechow
Maxillary sinus volumetric and surface area data and growth models from longitudinal samples of children and adolescents are presented. Cone-beam radiographic CT scans from two small retrospective longitudinal samples, one from the Baylor College of Dentistry, Dallas, TX (N=17, 12 females, 5 males, 10.9-17.4 years) and one from a group private orthodontic practice in Nevada (N=15, 9 females, 6 males, 6.4-13.4 years) were used to collect maxillary sinus volumes and surface areas from each individual imaged at two times separated by variable intervals...
November 4, 2016: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/27980096/homozygous-and-hemizygous-cnv-detection-from-exome-sequencing-data-in-a-mendelian-disease-cohort
#6
Tomasz Gambin, Zeynep C Akdemir, Bo Yuan, Shen Gu, Theodore Chiang, Claudia M B Carvalho, Chad Shaw, Shalini Jhangiani, Philip M Boone, Mohammad K Eldomery, Ender Karaca, Yavuz Bayram, Asbjørg Stray-Pedersen, Donna Muzny, Wu-Lin Charng, Vahid Bahrambeigi, John W Belmont, Eric Boerwinkle, Arthur L Beaudet, Richard A Gibbs, James R Lupski
We developed an algorithm, HMZDelFinder, that uses whole exome sequencing (WES) data to identify rare and intragenic homozygous and hemizygous (HMZ) deletions that may represent complete loss-of-function of the indicated gene. HMZDelFinder was applied to 4866 samples in the Baylor-Hopkins Center for Mendelian Genomics (BHCMG) cohort and detected 773 HMZ deletion calls (567 homozygous or 206 hemizygous) with an estimated sensitivity of 86.5% (82% for single-exonic and 88% for multi-exonic calls) and precision of 78% (53% single-exonic and 96% for multi-exonic calls)...
December 14, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27910428/design-of-a-digital-holography-system-for-pfc-erosion-measurements-on-proto-mpex
#7
C E Tommy Thomas, T M Biewer, L R Baylor, S K Combs, S J Meitner, J Rapp, D L Hillis, E M Granstedt, R Majeski, R Kaita
A project has been started at ORNL to develop a dual-wavelength digital holography system for plasma facing component erosion measurements on prototype material plasma exposure experiment. Such a system will allow in situ real-time measurements of component erosion. Initially the system will be developed with one laser, and first experimental laboratory measurements will be made with the single laser system. In the second year of development, a second CO2 laser will be added and measurements with the dual wavelength system will begin...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27880765/mechanisms-for-complex-chromosomal-insertions
#8
Shen Gu, Przemyslaw Szafranski, Zeynep Coban Akdemir, Bo Yuan, Mitchell L Cooper, Maria A Magriñá, Carlos A Bacino, Seema R Lalani, Amy M Breman, Janice L Smith, Ankita Patel, Rodger H Song, Weimin Bi, Sau Wai Cheung, Claudia M B Carvalho, Paweł Stankiewicz, James R Lupski
Chromosomal insertions are genomic rearrangements with a chromosome segment inserted into a non-homologous chromosome or a non-adjacent locus on the same chromosome or the other homologue, constituting ~2% of nonrecurrent copy-number gains. Little is known about the molecular mechanisms of their formation. We identified 16 individuals with complex insertions among 56,000 individuals tested at Baylor Genetics using clinical array comparative genomic hybridization (aCGH) and fluorescence in situ hybridization (FISH)...
November 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27799506/personalized-treatment-for-a-patient-with-a-braf-v600e-mutation-using-dabrafenib-and-a-tumor-treatment-fields-device-in-a-high-grade-glioma-arising-from-ganglioglioma
#9
Silviya K Meletath, Dean Pavlick, Tim Brennan, Roy Hamilton, Juliann Chmielecki, Julia A Elvin, Norma Palma, Jeffrey S Ross, Vincent A Miller, Philip J Stephens, George Snipes, Veena Rajaram, Siraj M Ali, Isaac Melguizo-Gavilanes
BACKGROUND: Gangliogliomas are slow-growing, low-grade central nervous system tumors affecting children and young adults. However, some patients will experience tumor recurrence and/or malignant progression. This article reports on the clinical history, molecular findings, and treatment response in a patient with BRAF V600-mutated high-grade glioma arising from ganglioglioma. METHODS: Hematoxylin-eosin staining and comprehensive genomic profiling via Foundation One were performed on the tumor sample from a male patient undergoing treatment at the Department of Neuro-Oncology at Baylor University Medical Center...
November 2016: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/27760705/clinical-effectiveness-of-a-pylorus-preserving-procedure-on-total-pancreatectomy-with-islet-autotransplantation
#10
Rauf Shahbazov, Gumpei Yoshimatsu, Waqas Z Haque, Omar S Khan, Giovanna Saracino, Michael C Lawrence, Peter T Kim, Nicholas Onaca, Bashoo Naziruddin, Marlon F Levy
BACKGROUND: The impact of pylorus preserving procedures (PP) on total pancreatectomy with islet autotransplantation (TPIAT) has not been examined. This study aimed to investigate the clinical impact of the PP on TPIAT. METHODS: The Baylor Simmons Transplant Institute database was queried to identify seventy-three patients who underwent TPIAT from 2006 to 2014. All patients were investigated in postoperative complications, long-term nutritional status, and graft function...
October 8, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27750470/controls-can-t-be-ignored
#11
W Frank Peacock
No abstract text is available yet for this article.
December 2, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27750016/towards-the-design-of-less-hazardous-chemicals-exploring-comparative-oxidative-stress-in-two-common-animal-models
#12
Jone Corrales, Lauren A Kristofco, W Baylor Steele, Gavin N Saari, Jakub Kostal, Edward Spencer Williams, Margaret Mills, Evan P Gallagher, Terrance J Kavanagh, Nancy Simcox, Longzhu Q Shen, Fjodor Melnikov, Julie B Zimmerman, Adelina M Voutchkova-Kostal, Paul T Anastas, Bryan W Brooks
Sustainable molecular design of less hazardous chemicals presents a potentially transformative approach to protect public health and the environment. Relationships between molecular descriptors and toxicity thresholds previously identified the octanol-water distribution coefficient, log D, and the HOMO-LUMO energy gap, ∆E, as two useful properties in the identification of reduced aquatic toxicity. To determine whether these two property-based guidelines are applicable to sublethal oxidative stress (OS) responses, two common aquatic in vivo models, the fathead minnow (Pimephales promelas) and zebrafish (Danio rerio), were employed to examine traditional biochemical biomarkers (lipid peroxidation, DNA damage, total glutathione) and antioxidant gene activation following exposure to eight structurally diverse industrial chemicals (bisphenol A, cumene hydroperoxide, dinoseb, hydroquinone, indene, perfluorooctanoic acid, R-(-)-carvone, tert-butyl hydroperoxide)...
October 17, 2016: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/27695166/selection-of-abstracts-from-the-4th-annual-baylor-scott-white-central-texas-research-days
#13
Jennifer Stone, Joni Bailey, Wendy Hegefeld, Hania Wehbe-Janek
No abstract text is available yet for this article.
October 2016: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/27695163/development-and-testing-of-baylor-scott-white-health-s-attitudes-and-practices-of-patient-safety-survey
#14
Sunni A Barnes, Jan Compton, Margaret Saldaña, Kristen M Tecson, Chizuko Hastings, Donald A Kennerly
Improving the quality of patient care requires a culture attuned to safety. We describe the development, implementation, and psychometric evaluation of the Attitudes and Practices of Patient Safety Survey (APPSS) within the Baylor Scott & White Health system. The APPSS was designed to enable safety culture data to be collected and aggregated at the unit level to identify high-priority needs. The survey, with 27 Likert-scale core questions divided into 4 concept domains and 2 open-ended questions, was administered electronically to employees with direct patient care responsibilities (n = 16,950)...
October 2016: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/27640307/recurrent-de-novo-and-biallelic-variation-of-atad3a-encoding-a-mitochondrial-membrane-protein-results-in-distinct-neurological-syndromes
#15
Tamar Harel, Wan Hee Yoon, Caterina Garone, Shen Gu, Zeynep Coban-Akdemir, Mohammad K Eldomery, Jennifer E Posey, Shalini N Jhangiani, Jill A Rosenfeld, Megan T Cho, Stephanie Fox, Marjorie Withers, Stephanie M Brooks, Theodore Chiang, Lita Duraine, Serkan Erdin, Bo Yuan, Yunru Shao, Elie Moussallem, Costanza Lamperti, Maria A Donati, Joshua D Smith, Heather M McLaughlin, Christine M Eng, Magdalena Walkiewicz, Fan Xia, Tommaso Pippucci, Pamela Magini, Marco Seri, Massimo Zeviani, Michio Hirano, Jill V Hunter, Myriam Srour, Stefano Zanigni, Richard Alan Lewis, Donna M Muzny, Timothy E Lotze, Eric Boerwinkle, Richard A Gibbs, Scott E Hickey, Brett H Graham, Yaping Yang, Daniela Buhas, Donna M Martin, Lorraine Potocki, Claudio Graziano, Hugo J Bellen, James R Lupski
ATPase family AAA-domain containing protein 3A (ATAD3A) is a nuclear-encoded mitochondrial membrane protein implicated in mitochondrial dynamics, nucleoid organization, protein translation, cell growth, and cholesterol metabolism. We identified a recurrent de novo ATAD3A c.1582C>T (p.Arg528Trp) variant by whole-exome sequencing (WES) in five unrelated individuals with a core phenotype of global developmental delay, hypotonia, optic atrophy, axonal neuropathy, and hypertrophic cardiomyopathy. We also describe two families with biallelic variants in ATAD3A, including a homozygous variant in two siblings, and biallelic ATAD3A deletions mediated by nonallelic homologous recombination (NAHR) between ATAD3A and gene family members ATAD3B and ATAD3C...
October 6, 2016: American Journal of Human Genetics
https://www.readbyqxmd.com/read/27634785/association-between-short-sleep-duration-and-risk-behavior-factors-in-middle-school-students
#16
Judith Owens, Guanghai Wang, Daniel Lewin, Elizabeth Skora, Allison Baylor
STUDY OBJECTIVES: To examine the association between self-reported sleep duration (SD) and peer/individual factors predictive of risky behaviors (risk behavior factors) in a large socioeconomically diverse school-based sample of early adolescents. DESIGN, SETTING, AND PARTICIPANTS: Survey data collected from 10,718 and 11,240 8th grade students in 2010 and 2012, respectively, were analyzed. MEASUREMENTS AND RESULTS: Self-reported school-night SD was grouped as ≤4 hours, 5 hours, 6 hours, 7 hours, 8 hours, 9 hours, and ≥10 hours...
September 9, 2016: Sleep
https://www.readbyqxmd.com/read/27612449/a-hybrid-computational-strategy-to-address-wgs-variant-analysis-in-5000-samples
#17
Zhuoyi Huang, Navin Rustagi, Narayanan Veeraraghavan, Andrew Carroll, Richard Gibbs, Eric Boerwinkle, Manjunath Gorentla Venkata, Fuli Yu
BACKGROUND: The decreasing costs of sequencing are driving the need for cost effective and real time variant calling of whole genome sequencing data. The scale of these projects are far beyond the capacity of typical computing resources available with most research labs. Other infrastructures like the cloud AWS environment and supercomputers also have limitations due to which large scale joint variant calling becomes infeasible, and infrastructure specific variant calling strategies either fail to scale up to large datasets or abandon joint calling strategies...
September 10, 2016: BMC Bioinformatics
https://www.readbyqxmd.com/read/27583809/operationalizing-nimh-research-domain-criteria-rdoc-in-naturalistic-clinical-settings
#18
Carla Sharp, J Christopher Fowler, Ramiro Salas, David Nielsen, Jon Allen, John Oldham, Thomas Kosten, Sanjay Mathew, Alok Madan, B Christopher Frueh, Peter Fonagy
Recently, the National Institute of Mental Health (NIMH) introduced the Research Domain Criteria (RDoC) initiative to address two major challenges facing the field of psychiatry: (1) the lack of new effective personalized treatments for psychiatric disorders, and (2) the limitations associated with categorically defined psychiatric disorders. Although the potential of RDoC to revolutionize personalized psychiatric medicine and psychiatric nosology has been acknowledged, it is unclear how to implement RDoC in naturalistic clinical settings as part of routine outcomes research...
2016: Bulletin of the Menninger Clinic
https://www.readbyqxmd.com/read/27571265/cognitively-related-basic-activities-of-daily-living-impairment-greatly-increases-the-risk-of-death-in-alzheimers-disease
#19
Fu-Wen Liang, Wenyaw Chan, Ping-Jen Chen, Carissa Zimmerman, Stephen Waring, Rachelle Doody
INTRODUCTION: Some Alzheimer's disease (AD) patients die without ever developing cognitively impaired basic activities of daily living (basic ADL), which may reflect slower disease progression or better compensatory mechanisms. Although impaired basic ADL is related to disease severity, it may exert an independent risk for death. This study examined the association between impaired basic ADL and survival of AD patients, and proposed a multistate approach for modeling the time to death for patients who demonstrate different patterns of progression of AD that do or do not include basic ADL impairment...
2016: PloS One
https://www.readbyqxmd.com/read/27530844/an-institutional-review-of-antimicrobial-stewardship-interventions
#20
Henry Cao, Kady Phe, Gregory A Laine, Hannah R Russo, Kimberly S Putney, Vincent H Tam
In order to combat increasing rates of bacterial resistance, many institutions have implemented antimicrobial stewardship programmes (ASPs) to improve antibiotic use. To ascertain the potential impact of our stewardship programme at Baylor St Luke's Medical Center (Houston, TX), antimicrobial-related interventions were analysed over a 4-year period. ASP recommendations related to antimicrobial therapy from 2009 to 2012 were retrieved from the hospital electronic database and were retrospectively reviewed. The number of interventions for each time period was adjusted to the hospital census data...
September 2016: Journal of Global Antimicrobial Resistance
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