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https://www.readbyqxmd.com/read/28436107/a-complete-4dct-ventilation-functional-avoidance-virtual-trial-developing-strategies-for-prospective-clinical-trials
#1
Timothy Waxweiler, Leah Schubert, Quentin Diot, Austin Faught, Kelly Stuhr, Richard Castillo, Edward Castillo, Thomas Guerrero, Chad Rusthoven, Laurie Gaspar, Brian Kavanagh, Moyed Miften, Yevgeniy Vinogradskiy
INTRODUCTION: 4DCT-ventilation is an exciting new imaging modality that uses 4DCT data to calculate lung-function maps. Because 4DCTs are acquired as standard of care for lung cancer patients undergoing radiotherapy, 4DCT-ventiltation provides functional information at no extra dosimetric or monetary cost to the patient. The development of clinical trials is underway to use 4DCT-ventilation imaging to spare functional lung in patients undergoing radiotherapy. The purpose of this work was to perform a virtual trial using retrospective data to develop the practical aspects of a 4DCT-ventilation functional avoidance clinical trial...
April 24, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28436086/male-clinical-norms-and-sex-differences-on-the-eating-disorder-inventory-edi-and-eating-disorder-examination-questionnaire-ede-q
#2
Kathryn E Smith, Tyler B Mason, Stuart B Murray, Scott Griffiths, Rachel C Leonard, Chad T Wetterneck, Brad E R Smith, Nicholas R Farrell, Bradley C Riemann, Jason M Lavender
OBJECTIVE: Evidence indicates that males account for a significant minority of patients with eating disorders (EDs). However, prior research has been limited by inclusion of small and predominantly non-clinical samples of males. This study aimed to (1) provide male clinical norms for widely used ED measures (Eating Disorder Examination Questionnaire [EDE-Q] and Eating Disorder Inventory-3 [EDI-3]) and (2) examine sex differences in overall ED psychopathology. METHOD: Participants were 386 male and 1,487 female patients with an ED diagnosis aged 16 years and older who completed the EDE-Q and EDI-3 upon admission to a residential or partial hospital ED treatment program...
April 24, 2017: International Journal of Eating Disorders
https://www.readbyqxmd.com/read/28429658/sex-differences-in-utilization-and-outcomes-of-catheter-directed-thrombolysis-in-patients-with-proximal-lower-extremity-deep-venous-thrombosis-insights-from-the-nationwide-inpatient-sample
#3
Vladimir Lakhter, Chad J Zack, Yevgeniy Brailovsky, Saurav Chatterjee, Vikas Aggarwal, Koneti A Rao, Deborah Crabbe, Huaqing Zhao, Eric Choi, Raghu Kolluri, Riyaz Bashir
Catheter-directed thrombolysis (CDT) is being increasingly used for the treatment of proximal lower extremity (LE) deep venous thrombosis (DVT). However, sex differences in utilization and safety outcomes of CDT in these patients are unknown. The Nationwide Inpatient Sample (NIS) database was used to identify all patients with a principal discharge diagnosis of proximal LE or caval DVT who underwent CDT between January 2005 and December 2011 in the United States. We evaluated the comparative safety outcomes of CDT among a propensity-matched group of 1731 men versus 1731 women...
April 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28427541/long-term-safety-and-efficacy-of-glycopyrrolate-formoterol-metered-dose-inhaler-using-novel-co-suspension%C3%A2-delivery-technology-in-patients-with-chronic-obstructive-pulmonary-disease
#4
Nicola A Hanania, Donald P Tashkin, Edward M Kerwin, James F Donohue, Michael Denenberg, Denis E O'Donnell, Dean Quinn, Shahid Siddiqui, Chad Orevillo, Andrea Maes, Colin Reisner
BACKGROUND: The long-term safety and efficacy of a novel Co-Suspension™ Delivery Technology glycopyrrolate (GP)/formoterol fumarate (FF) 18/9.6 μg fixed-dose combination metered dose inhaler (GFF MDI) were investigated in a 28-week safety extension study (PINNACLE-3, NCT01970878) of two randomized controlled Phase III trials (PINNACLE-1 and -2; NCT01854645 and NCT01854658) in subjects with moderate-to-very severe chronic obstructive pulmonary disease (COPD). METHODS: Subjects completing 24 weeks' treatment with GFF MDI, GP MDI, FF MDI (all twice-daily) or open-label tiotropium 18 μg (once-daily) in PINNACLE-1 or -2 were randomly selected to continue treatment for 28 weeks...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28425850/a-novel-and-robust-method-for-testing-bimodality-and-characterizing-porcine-adipocytes-of-adipose-tissue-of-5-purebred-lines-of-pig
#5
Eric D Testroet, Peter Sherman, Chad Yoder, Amber Testroet, Carmen Reynolds, Mathew O'Neil, Soi Meng Lei, Donald C Beitz, Tom J Baas
Adipocyte sizes from adipose tissue of mature animals form a bimodal distribution, thus reporting mean cell size is misleading. The objectives of this study were to develop a robust method for testing bimodality of porcine adipocytes, describe the size distribution with an informative metric, and statistically test hypertrophy and appearance of new small adipocytes, possibly resulting from hyperplasia or lipid filling of previously divided fibroblastic cells. Ninety-three percent of adipose samples measured were bimodal (P < 0...
March 10, 2017: Adipocyte
https://www.readbyqxmd.com/read/28424732/evidence-for-loss-in-identity-de-differentiation-and-trans-differentiation-of-islet-%C3%AE-cells-in-type-2-diabetes
#6
REVIEW
Chad S Hunter, Roland W Stein
The two main types of diabetes mellitus have distinct etiologies, yet a similar outcome: loss of islet β-cell function that is solely responsible for the secretion of the insulin hormone to reduce elevated plasma glucose toward euglycemic levels. Type 1 diabetes (T1D) has traditionally been characterized by autoimmune-mediated β-cell death leading to insulin-dependence, whereas type 2 diabetes (T2D) has hallmarks of peripheral insulin resistance, β-cell dysfunction, and cell death. However, a growing body of evidence suggests that, especially during T2D, key components of β-cell failure involves: (1) loss of cell identity, specifically proteins associated with mature cell function (e...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28424133/carotid-duplex-ultrasonography-additional-imaging-is-rarely-necessary-for-appropriate-treatment-planning-for-carotid-artery-disease
#7
Chad P Ammar, Stephen D Helmer, Alex D Ammar
This study was conducted to determine the utility of multiple imaging studies (CT angiography, magnetic resonance angiography, and/or conventional angiography), in addition to duplex ultrasonography (DU), in evaluating patients with carotid stenosis. A retrospective case series was conducted of patients with carotid stenosis who underwent DU alone or DU plus additional imaging. Concordance between DU and additional imaging and the effect on treatment plan was evaluated. Two hundred patients with carotid stenosis were evaluated...
April 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28421186/cost-description-and-comparative-cost-efficiency-of-post-exposure-prophylaxis-and-canine-mass-vaccination-against-rabies-in-n-djamena-chad
#8
Rolande Mindekem, Monique Sarah Lechenne, Kemdongarti Service Naissengar, Assandi Oussiguéré, Bidjeh Kebkiba, Daugla Doumagoum Moto, Idriss Oumar Alfaroukh, Laurent Tinoanga Ouedraogo, Sahidou Salifou, Jakob Zinsstag
Rabies claims approximately 59,000 human lives annually and is a potential risk to 3.3 billion people in over 100 countries worldwide. Despite being fatal in almost 100% of cases, human rabies can be prevented by vaccinating dogs, the most common vector, and the timely administration of post-exposure prophylaxis (PEP) to exposed victims. For the control and prevention of human rabies in N'Djamena, the capital city of Chad, a free mass vaccination campaign for dogs was organized in 2012 and 2013. The campaigns were monitored by parallel studies on the incidence of canine rabies based on diagnostic testing of suspect animals and the incidence of human bite exposure recorded at selected health facilities...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28416283/activation-of-irf1-in-human-adipocytes-leads-to-phenotypes-associated-with-metabolic-disease
#9
Max Friesen, Raymond Camahort, Youn-Kyoung Lee, Fang Xia, Robert E Gerszten, Eugene P Rhee, Rahul C Deo, Chad A Cowan
The striking rise of obesity-related metabolic disorders has focused attention on adipocytes as critical mediators of disease phenotypes. To better understand the role played by excess adipose in metabolic dysfunction it is crucial to decipher the transcriptional underpinnings of the low-grade adipose inflammation characteristic of diseases such as type 2 diabetes. Through employing a comparative transcriptomics approach, we identified IRF1 as differentially regulated between primary and in vitro-derived genetically matched adipocytes...
April 5, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28414749/sequence-variability-of-the-respiratory-syncytial-virus-rsv-fusion-gene-among-contemporary-and-historical-genotypes-of-rsv-a-and-rsv-b
#10
Anne M Hause, David M Henke, Vasanthi Avadhanula, Chad A Shaw, Lorena I Tapia, Pedro A Piedra
BACKGROUND: The fusion (F) protein of RSV is the major vaccine target. This protein undergoes a conformational change from pre-fusion to post-fusion. Both conformations share antigenic sites II and IV. Pre-fusion F has unique antigenic sites p27, ø, α2α3β3β4, and MPE8; whereas, post-fusion F has unique antigenic site I. Our objective was to determine the antigenic variability for RSV/A and RSV/B isolates from contemporary and historical genotypes compared to a historical RSV/A strain...
2017: PloS One
https://www.readbyqxmd.com/read/28413699/white-matter-connections-of-the-inferior-parietal-lobule-a-study-of-surgical-anatomy
#11
Joshua D Burks, Lillian B Boettcher, Andrew K Conner, Chad A Glenn, Phillip A Bonney, Cordell M Baker, Robert G Briggs, Nathan A Pittman, Daniel L O'Donoghue, Dee H Wu, Michael E Sughrue
INTRODUCTION: Interest in the function of the inferior parietal lobule (IPL) has resulted in increased understanding of its involvement in visuospatial and cognitive functioning, and its role in semantic networks. A basic understanding of the nuanced white-matter anatomy in this region may be useful in improving outcomes when operating in this region of the brain. We sought to derive the surgical relationship between the IPL and underlying major white-matter bundles by characterizing macroscopic connectivity...
April 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28412025/the-influence-of-chronic-il-6-exposure-in-vivo-on-rat-achilles-tendon-extracellular-matrix
#12
Mark S Katsma, Shivam H Patel, Erica Eldon, Kathryn A Corbell, Kevin L Shimkus, James D Fluckey, Chad C Carroll
When compared to placebo, acetaminophen (APAP) reduces tendon stiffness and collagen cross-linking. APAP also enhances the exercise-induced increase in peritendinous levels of IL-6. Elevated levels of IL-6 are associated with tendinopathy, thus we hypothesized that chronic, elevated peritendinous IL-6 would alter tendon extracellular matrix (ECM). IL-6 (∼3000pgml(-1)) was injected (3dwk(-1) for 8-wks) into the Achilles peritendinous region of male Wistar rats (n=16) with the opposite leg serving as a sham...
April 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28409637/halogenated-compounds-from-directed-fermentation-of-penicillium-concentricum-an-endophytic-fungus-of-the-liverwort-trichocolea-tomentella
#13
Tehane Ali, Masanori Inagaki, Hee-Byung Chai, Thomas Wieboldt, Chad Rapplye, L Harinantenaina Rakotondraibe
One new chlorinated xanthone, 6-chloro-3,8-dihydroxy-1-methylxanthone (1), a new 2-bromo-gentisyl alcohol (2), and a mixture of 6-epimers of 6-dehydroxy-6-bromogabosine C (3a and 3b), together with 19 previously identified compounds, epoxydon (4), norlichexanthone (5), 2-chlorogentisyl alcohol (6), hydroxychlorogentisyl quinone (7), 6-dehydroxy-6α-chlorogabosine C (8a), 6-dehydroxy-6β-chlorogabosine C (8b), gentisyl alcohol (9), gentisyl quinone (10), (R,S)-1-phenyl-1,2-ethanediol (11), dehydrodechlorogriseofulvin (12), dechlorogriseofulvin (13), dehydrogriseofulvin (14), griseofulvin (15), ethylene glycol benzoate (16), alternariol (17), griseoxanthone C (18), drimiopsin H (19), griseophenone C (20), and griseophenone B (21), were isolated from cultures of Penicillium concentricum, a fungal endophyte of the liverwort Trichocolea tomentella...
April 14, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28408475/regulation-of-human-immunodeficiency-virus-type-1-hiv-1-mrna-translation
#14
REVIEW
Laura Hidalgo, Chad M Swanson
Human immunodeficiency virus type 1 (HIV-1) mRNA translation is a complex process that uses the host translation machinery to synthesise viral proteins. Several mechanisms for HIV-1 mRNA translation initiation have been proposed including (1) cap-dependent, eIF4E-dependent, (2) cap-dependent, cap-binding complex-dependent, (3) internal ribosome entry sites, and (4) ribosome shunting. While these mechanisms promote HIV-1 mRNA translation in the context of in vitro systems and subgenomic constructs, there are substantial knowledge gaps in understanding how they regulate viral protein production in the context of full-length virus infection...
April 15, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28403427/new-persistent-opioid-use-after-minor-and-major-surgical-procedures-in-us-adults
#15
Chad M Brummett, Jennifer F Waljee, Jenna Goesling, Stephanie Moser, Paul Lin, Michael J Englesbe, Amy S B Bohnert, Sachin Kheterpal, Brahmajee K Nallamothu
Importance: Despite increased focus on reducing opioid prescribing for long-term pain, little is known regarding the incidence and risk factors for persistent opioid use after surgery. Objective: To determine the incidence of new persistent opioid use after minor and major surgical procedures. Design, Setting, and Participants: Using a nationwide insurance claims data set from 2013 to 2014, we identified US adults aged 18 to 64 years without opioid use in the year prior to surgery (ie, no opioid prescription fulfillments from 12 months to 1 month prior to the procedure)...
April 12, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28397034/comparison-of-milk-fatty-acid-profiles-measured-on-kouri-cows-near-lake-chad-and-on-dairy-cattle-as-reported-by-meta-analytical-data
#16
O Bada Algom, C Fabry, P L Leroy, J-L Hornick
Kouri (Bos taurus) is a breed aboriginal from Lake Chad and threatened with extinction. This study aimed to compare milk fatty acid profiles measured on Kouri cows and on high-yielding dairy cattle in Europe and elsewhere as reported by meta-analytical data (22 experimentations). Milk samples were collected from 14 Kouri dairy cows in dry season (March to June) and fatty acids (FA) were determined by gas chromatography. Overall, 32 FA have been identified. Kouri showed lower values (P < 0.001) in the sum of saturated FA (SFA, -10...
April 10, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28396719/case-of-hepatocellular-carcinoma-in-a-patient-with-hereditary-tyrosinemia-in-the-post-newborn-screening-era
#17
Essam M Imseis, John S Bynon, Chad Thornhill
Hereditary tyrosinemia type 1 (HT-1) is a metabolic disorder caused by a defect in tyrosine degradation. Without treatment, symptoms of hepatomegaly, renal tubular dysfunction, growth failure, neurologic crises resembling porphyrias, rickets and possible hepatocellular carcinoma can develop. The use of 2-(2-nitro-4-trifluoromethylbenzoyl)-1,3-cyclohexanedione and early diagnosis through newborn screening initiatives have resulted in a sharp decline in morbidity and mortality associated with this disease. We present a case report of a 7-year-old patient with HT-1 who was born prior to the addition of tyrosinemia to the newborn screening in her birth area...
March 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28395549/magnesium-sulfate-for-neuroprotection-in-the-setting-of-chorioamnionitis
#18
James M Edwards, Laura E Edwards, Geeta K Swamy, Chad A Grotegut
PURPOSE: We examined the effects of magnesium on premature neonatal outcomes complicated by chorioamnionitis. MATERIALS AND METHODS: We conducted a secondary analysis of data from the BEAM Trial, an RCT to determine if antenatal magnesium decreases the incidence of CP in preterm birth. We compared the effect of magnesium sulfate by the presence or absence of chorioamnionitis. Outcomes examined include CP, IVH, NEC, BPD, and assessments of mental and motor disability...
April 11, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28394855/associations-of-cd4-t-cell-count-hiv-1-rna-viral-load-and-antiretroviral-therapy-with-kaposi-sarcoma-risk-among-hiv-infected-persons-in-the-united-states-and-canada
#19
Robert Dubrow, Li Qin, Haiqun Lin, Raúl U Hernández-Ramírez, Romain S Neugebauer, Wendy Leyden, Keri N Althoff, Chad J Achenbach, Nancy A Hessol, Sharada P Modur, Gypsyamber D'Souza, Ronald J Bosch, Surbhi Grover, Michael A Horberg, Mari M Kitahata, Angel M Mayor, Richard M Novak, Charles S Rabkin, Timothy R Sterling, James J Goedert, Amy C Justice, Eric A Engels, Richard D Moore, Michael J Silverberg
BACKGROUND: Kaposi sarcoma (KS) remains common among HIV-infected persons. To better understand KS etiology and to help target prevention efforts, we comprehensively examined a variety of CD4+ T-cell count and HIV-1 RNA viral load (VL) measures, as well as antiretroviral therapy (ART) use, to determine independent predictors of KS risk. SETTING: North American AIDS Cohort Collaboration on Research and Design. METHODS: We followed HIV-infected persons during 1996-2009 from 18 cohorts...
April 7, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28393301/structured-reporting-of-ct%C3%A2-enterography%C3%A2-for%C3%A2-inflammatory-bowel-disease-effect-on-key-feature%C3%A2-reporting-accuracy-across-training-levels-and-subjective-assessment-of-disease-by-referring-physicians
#20
Benjamin Wildman-Tobriner, Brian C Allen, Mustafa R Bashir, Morgan Camp, Chad Miller, Lauren E Fiorillo, Alan Cubre, Sanaz Javadi, Alex D Bibbey, Wendy L Ehieli, Nancy McGreal, Reinaldo Quevedo, Julie K Thacker, Maciej Mazurowski, Tracy A Jaffe
PURPOSE: To compare the content and accuracy of structured reporting (SR) versus non-structured reporting (NSR) for computed tomographic enterography (CTE) of inflammatory bowel disease (IBD). MATERIALS AND METHODS: This IRB-approved, HIPAA-compliant, retrospective study included 30 adult subjects (15 male, 15 female; mean age 41.9 years) with IBD imaged with CTE. Nine radiologists (3 faculty, 3 abdominal imaging fellows, and 3 senior radiology residents) independently interpreted all examinations using both NSR and SR, separated by four weeks...
April 9, 2017: Abdominal Radiology
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