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david ludwig

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https://www.readbyqxmd.com/read/28211560/carfilzomib-lenalidomide-and-dexamethasone-in-patients-with-relapsed-multiple-myeloma-categorised-by-age-secondary-analysis-from-the-phase-3-aspire-study
#1
Meletios A Dimopoulos, A Keith Stewart, Tamás Masszi, Ivan Špička, Albert Oriol, Roman Hájek, Laura Rosiñol, David Siegel, Georgi G Mihaylov, Vesselina Goranova-Marinova, Péter Rajnics, Aleksandr Suvorov, Ruben Niesvizky, Andrzej Jakubowiak, Jesus San-Miguel, Heinz Ludwig, Antonio Palumbo, Mihaela Obreja, Sanjay Aggarwal, Philippe Moreau
: A primary analysis of the ASPIRE study found that the addition of carfilzomib to lenalidomide and dexamethasone (carfilzomib group) significantly improved progression-free survival (PFS) compared with lenalidomide and dexamethasone alone (control group) in patients with relapsed multiple myeloma (RMM). This post hoc analysis examined outcomes from ASPIRE in patients categorised by age. In the carfilzomib group, 103/396 patients were ≥70 years old, and in the control group, 115/396 patients were ≥70 years old...
February 17, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28210456/severe-odontogenic-infection-an-emergency-case-report
#2
Marcelo Guzmán-Letelier, Claudia Crisosto-Jara, Camilo Diaz-Ricouz, Miguel Peñarrocha-Diago, David Peñarrocha-Oltra
Odontogenic infections (OI) are a major reason for consultation in dental practice. They affect people of all ages, and most of them respond well to current medical and surgical treatments. However, some OI can spread to vital and deep structures, overcome the host immune system - especially in diabetic, immunocompromised or weakened patients - and even prove fatal. Ludwig's angina is a severe form of diffuse cellulitis that can have an acute onset and spread very rapidly, bilaterally affecting areas of the head and neck, and may prove life threatening...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28198369/giant-heat-transfer-in-the-crossover-regime-between-conduction-and-radiation
#3
Konstantin Kloppstech, Nils Könne, Svend-Age Biehs, Alejandro W Rodriguez, Ludwig Worbes, David Hellmann, Achim Kittel
Heat is transferred by radiation between two well-separated bodies at temperatures of finite difference in vacuum. At large distances the heat transfer can be described by black body radiation, at shorter distances evanescent modes start to contribute, and at separations comparable to inter-atomic spacing the transition to heat conduction should take place. We report on quantitative measurements of the near-field mediated heat flux between a gold coated near-field scanning thermal microscope tip and a planar gold sample at nanometre distances of 0...
February 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28192535/correction-evidence-based-neonatal-unit-practices-and-determinants-of-postnatal-corticosteroid-use-in-preterm-births-below-30-weeks-ga-in-europe-a-population-based-cohort-study
#4
Alexandra Nuytten, Hélène Behal, Alain Duhamel, Pierre-Henri Jarreau, Jan Mazela, David Milligan, Ludwig Gortner, Aurélie Piedvache, Jennifer Zeitlin, Patrick Truffert
[This corrects the article DOI: 10.1371/journal.pone.0170234.].
2017: PloS One
https://www.readbyqxmd.com/read/28191018/thymosin-%C3%AE-4-improves-differentiation-and-vascularization-of-ehts
#5
Tilman Ziegler, Rabea Hinkel, Andrea Stöhr, Thomas Eschenhagen, Karl-Ludwig Laugwitz, Ferdinand le Noble, Robert David, Arne Hansen, Christian Kupatt
Induced pluripotent stem cells (iPSC) constitute a powerful tool to study cardiac physiology and represents a promising treatment strategy to tackle cardiac disease. However, iPSCs remain relatively immature after differentiation. Additionally, engineered heart tissue (EHT) has been investigated as a therapy option in preclinical disease models with promising results, although their vascularization and functionality leave room for improvement. Thymosin β4 (Tβ4) has been shown to promote the differentiation of progenitor cell lines to cardiomyocytes while it also induces angiogenic sprouting and vascular maturation...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28176844/isl1-is-a-major-susceptibility-gene-for-classic-bladder-exstrophy-and-a-regulator-of-urinary-tract-development
#6
Rong Zhang, Michael Knapp, Kentaro Suzuki, Daiki Kajioka, Johanna M Schmidt, Jonas Winkler, Öznur Yilmaz, Michael Pleschka, Jia Cao, Christina Clementson Kockum, Gillian Barker, Gundela Holmdahl, Glenda Beaman, David Keene, Adrian S Woolf, Raimondo M Cervellione, Wei Cheng, Simon Wilkins, John P Gearhart, Fabio Sirchia, Massimo Di Grazia, Anne-Karolin Ebert, Wolfgang Rösch, Jörg Ellinger, Ekkehart Jenetzky, Nadine Zwink, Wout F Feitz, Carlo Marcelis, Johannes Schumacher, Federico Martinón-Torres, Martin Lloyd Hibberd, Chiea Chuen Khor, Stefanie Heilmann-Heimbach, Sandra Barth, Simeon A Boyadjiev, Alfredo Brusco, Michael Ludwig, William Newman, Agneta Nordenskjöld, Gen Yamada, Benjamin Odermatt, Heiko Reutter
Previously genome-wide association methods in patients with classic bladder exstrophy (CBE) found association with ISL1, a master control gene expressed in pericloacal mesenchyme. This study sought to further explore the genetics in a larger set of patients following-up on the most promising genomic regions previously reported. Genotypes of 12 markers obtained from 268 CBE patients of Australian, British, German Italian, Spanish and Swedish origin and 1,354 ethnically matched controls and from 92 CBE case-parent trios from North America were analysed...
February 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28135005/dendritic-release-of-neurotransmitters
#7
Mike Ludwig, David Apps, John Menzies, Jyoti C Patel, Margaret E Rice
Release of neuroactive substances by exocytosis from dendrites is surprisingly widespread and is not confined to a particular class of transmitters: it occurs in multiple brain regions, and includes a range of neuropeptides, classical neurotransmitters, and signaling molecules, such as nitric oxide, carbon monoxide, ATP, and arachidonic acid. This review is focused on hypothalamic neuroendocrine cells that release vasopressin and oxytocin and midbrain neurons that release dopamine. For these two model systems, the stimuli, mechanisms, and physiological functions of dendritic release have been explored in greater detail than is yet available for other neurons and neuroactive substances...
December 6, 2016: Comprehensive Physiology
https://www.readbyqxmd.com/read/28125815/patent-ductus-arteriosus-treatment-in-very-preterm-infants-a-european-population-based-cohort-study-epice-on-variation-and-outcomes
#8
Anna-Karin Edstedt Bonamy, Anna Gudmundsdottir, Rolf F Maier, Liis Toome, Jennifer Zeitlin, Mercedes Bonet, Alan Fenton, Asbjørn Børch Hasselager, Arno van Heijst, Ludwig Gortner, David Milligan, Patrick Van Reempts, Elaine M Boyle, Mikael Norman
BACKGROUND: Spontaneous closure of patent ductus arteriosus (PDA) occurs frequently in very preterm infants and despite the lack of evidence for treatment benefits, treatment for PDA is common in neonatal medicine. OBJECTIVES: The aim of this work was to study regional variations in PDA treatment in very preterm infants (≤31 weeks of gestation), its relation to differences in perinatal characteristics, and associations with bronchopulmonary dysplasia (BPD) and survival without major neonatal morbidity...
January 26, 2017: Neonatology
https://www.readbyqxmd.com/read/28114369/evidence-based-neonatal-unit-practices-and-determinants-of-postnatal-corticosteroid-use-in-preterm-births-below-30-weeks-ga-in-europe-a-population-based-cohort-study
#9
Alexandra Nuytten, Hélène Behal, Alain Duhamel, Pierre-Henri Jarreau, Jan Mazela, David Milligan, Ludwig Gortner, Aurélie Piedvache, Jennifer Zeitlin, Patrick Truffert
BACKGROUND: Postnatal corticosteroids (PNC) were widely used to treat and prevent bronchopulmonary dysplasia in preterm infants until studies showed increased risk of cerebral palsy and neurodevelopmental impairment. We aimed to describe PNC use in Europe and evaluate the determinants of their use, including neonatal characteristics and adherence to evidence-based practices in neonatal intensive care units (NICUs). METHODS: 3917/4096 (95,6%) infants born between 24 and 29 weeks gestational age in 19 regions of 11 European countries of the EPICE cohort we included...
2017: PloS One
https://www.readbyqxmd.com/read/28112487/distinct-profiles-of-social-skill-in-adults-with-autism-spectrum-disorder-and-schizophrenia
#10
Kerrianne E Morrison, Amy E Pinkham, David L Penn, Skylar Kelsven, Kelsey Ludwig, Noah J Sasson
Overlapping social impairments in Autism Spectrum Disorder (ASD) and Schizophrenia (SCZ) contributed to decades of diagnostic confusion that continues to this day in some clinical settings. The current study provides the first direct and detailed comparison of social behavior in the two disorders by identifying profiles of social skill in adults with ASD (n = 54), SCZ (n = 54), and typically developing (TD) controls (n = 56) during a real-world social interaction. ASD and SCZ groups exhibited poorer social skill, both overall and on most discrete abilities, relative to the TD group...
January 23, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28089808/stress-induced-hyperglycemia-after-spontaneous-subarachnoid-hemorrhage-and-its-role-in-predicting-cerebrospinal-fluid-diversion
#11
Bappaditya Ray, Ayumi Ludwig, Lori K Yearout, David M Thompson, Bradley N Bohnstedt
BACKGROUND: Stress induced hyperglycemia (SIH) after acute cerebrovascular disease is common and is associated with adverse clinical outcomes. Incidence of SIH after spontaneous subarachnoid hemorrhage (SAH) and its role in shunt placement has not been systematically investigated. Present study is designed to investigate the incidence of SIH after spontaneous SAH and its determinants. Role of SIH and premorbid hyperglycemia (using glycated hemoglobin, HbA1c) in predicting external ventricular drainage (EVD) and ventriculoperitoneal shunt (VPS) placement is also investigated...
January 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28077380/metabolomic-profiles-as-reliable-biomarkers-of-dietary-composition
#12
Tõnu Esko, Joel N Hirschhorn, Henry A Feldman, Yu-Han H Hsu, Amy A Deik, Clary B Clish, Cara B Ebbeling, David S Ludwig
BACKGROUND: Clinical nutrition research often lacks robust markers of compliance, complicating the interpretation of clinical trials and observational studies of free-living subjects. OBJECTIVE: We aimed to examine metabolomics profiles in response to 3 diets that differed widely in macronutrient composition during a controlled feeding protocol. DESIGN: Twenty-one adults with a high body mass index (in kg/m(2); mean ± SD: 34.4 ± 4.9) were given hypocaloric diets to promote weight loss corresponding to 10-15% of initial body weight...
January 11, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28073580/drug-information-by-public-health-and-regulatory-institutions-results-of-an-8-country-survey-in-europe
#13
Giulio Formoso, Maria Font-Pous, Wolf-Dieter Ludwig, David Phizackerley, Dick Bijl, Juan Erviti, Blanka Pospíšilová, Jean Louis Montastruc
PURPOSE: To evaluate the framework of drug information produced by public health and regulatory institutions in Europe. MATERIALS AND METHODS: We carried out a short survey asking editors of ISDB bulletins of the European region to indicate the main sources of drug information provided by public health and regulatory authorities in their countries, the specific kind of information produced and their opinions about strengths and weaknesses of such information. The availability of evaluations about the added therapeutic value of drugs and of tools facilitating the implementation of such information were particularly addressed and checked on the websites of those institutions...
December 29, 2016: Health Policy
https://www.readbyqxmd.com/read/28013289/impact-of-synthetic-elements-on-aortic-root-haemodynamics-computed-fluid-dynamics-of-aortic-root-reconstruction-and-valve-reimplantation
#14
Denis Berdajs, Selim Mosbahi, Francesco Strano, Zalan Forro, Marco Burki, Ludwig K von Segesser
OBJECTIVES: The aim was to evaluate the impact of the aortic valve reimplantation (David) and of the aortic root (AoR) remodelling (Yacoub) on the AoR haemodynamics. METHODS: In an experimental setup where the clinical scenario of Yacoub, (n = 5, domestic pig) and of David (n = 5, domestic pig) procedure was performed in each AoR, six high-fidelity (200 Hz) sonomicrometric crystals were implanted. Crystals were positioned at three commissures with their projection at the root base...
December 24, 2016: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/27920089/world-endometriosis-society-consensus-on-the-classification-of-endometriosis
#15
Neil P Johnson, Lone Hummelshoj, G David Adamson, Jörg Keckstein, Hugh S Taylor, Mauricio S Abrao, Deborah Bush, Ludwig Kiesel, Rulla Tamimi, Kathy L Sharpe-Timms, Luk Rombauts, Linda C Giudice
STUDY QUESTION: What is the global consensus on the classification of endometriosis that considers the views of women with endometriosis? SUMMARY ANSWER: We have produced an international consensus statement on the classification of endometriosis through systematic appraisal of evidence and a consensus process that included representatives of national and international, medical and non-medical societies, patient organizations, and companies with an interest in endometriosis...
February 2017: Human Reproduction
https://www.readbyqxmd.com/read/27882721/survival-of-patients-with-metastatic-leiomyosarcoma-the-md-anderson-clinical-center-for-targeted-therapy-experience
#16
Zhijie Wang, Naiyi Shi, Aung Naing, Filip Janku, Vivek Subbiah, Dejka M Araujo, Shreyaskumar R Patel, Joseph A Ludwig, Lois M Ramondetta, Charles F Levenback, Pedro T Ramirez, Sarina A Piha-Paul, David Hong, Daniel D Karp, Apostolia M Tsimberidou, Funda Meric-Bernstam, Siqing Fu
Advanced stage leiomyosarcoma (LMS) is incurable with current systemic antitumor therapies. Therefore, there is clinical interest in exploring novel therapeutic regimens to treat LMS. We reviewed the medical records of 75 consecutive patients with histologically confirmed metastatic LMS, who had been referred to the Clinical Center for Targeted Therapy at MD Anderson Cancer Center. To lay the foundation for potential phase I trials for the treatment of advanced LMS, we analyzed tumor response and survival outcome data...
December 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27863014/a-multicenter-study-of-diet-quality-on-birth-weight-and-gestational-age-in-infants-of-hiv-infected-women
#17
Tracie L Miller, Denise L Jacobson, Gabriel Somarriba, Daniela Neri, Joy Kurtz-Vraney, Patricia Graham, Matthew W Gillman, David C Landy, Suzanne Siminski, Laurie Butler, Kenneth C Rich, Kristy Hendricks, David A Ludwig
We determined factors associated with diet quality and assessed the relationship between diet quality, birth weight, and gestational age in a prospective national multicenter cohort study. We evaluated diet quality with the Healthy Eating Index (HEI, scale 0-100) in the third trimester of pregnancy with three 24-hr multiple-pass dietary recalls in 266 HIV+ women enrolled in the Pediatric HIV/AIDS Cohort Study. Covariates included demographics, food security, pre-pregnancy body mass index, HIV disease severity, substance use, and antiretroviral exposures...
November 8, 2016: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/27860369/factor-structure-of-therapist-fidelity-to-individual-resiliency-training-in-the-recovery-after-an-initial-schizophrenia-episode-early-treatment-program
#18
Julia Browne, Alexandra N Edwards, David L Penn, Piper S Meyer-Kalos, Jennifer D Gottlieb, Paul Julian, Kelsey Ludwig, Kim T Mueser, John M Kane
BACKGROUND: Evidence-based approaches and early intervention have improved the long-term prognosis of individuals with schizophrenia. However, little is known about the therapeutic processes involved in individual therapy in first-episode psychosis. A comprehensive psychosocial/psychiatric programme for this population, NAVIGATE, includes an individual therapy component, individual resiliency training (IRT). Fidelity of clinicians' adherence to the IRT protocol has been collected to ensure proper implementation of this manual-based intervention...
November 9, 2016: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/27824709/personalizing-rectal-cancer-management
#19
Kirk A Ludwig, David Vargas, Harry Reynolds
No abstract text is available yet for this article.
December 2016: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27819455/information-foraging-for-perceptual-decisions
#20
Casimir J H Ludwig, David R Evens
We tested an information foraging framework to characterize the mechanisms that drive active (visual) sampling behavior in decision problems that involve multiple sources of information. Experiments 1 through 3 involved participants making an absolute judgment about the direction of motion of a single random dot motion pattern. In Experiment 4, participants made a relative comparison between 2 motion patterns that could only be sampled sequentially. Our results show that: (a) Information (about noisy motion information) grows to an asymptotic level that depends on the quality of the information source; (b) The limited growth is attributable to unequal weighting of the incoming sensory evidence, with early samples being weighted more heavily; (c) Little information is lost once a new source of information is being sampled; and (d) The point at which the observer switches from 1 source to another is governed by online monitoring of his or her degree of (un)certainty about the sampled source...
February 2017: Journal of Experimental Psychology. Human Perception and Performance
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