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https://www.readbyqxmd.com/read/28734923/diagnostic-accuracy-of-coronary-ct-angiography-for%C3%A2-the-evaluation-of-bioresorbable-vascular-scaffolds
#1
Carlos Collet, Bernard Chevalier, Angel Cequier, Jean Fajadet, Marcello Dominici, Steffen Helqvist, A J Van Boven, Dariusz Dudek, Dougal McClean, Manuel Almeida, Jan J Piek, Erhan Tenekecioglu, Antonio Bartorelli, Stephan Windecker, Patrick W Serruys, Yoshinobu Onuma
OBJECTIVES: To assess the diagnostic accuracy of coronary computed tomography angiography (CTA) for bioresorbable vascular scaffold (BVS) evaluation. BACKGROUND: Coronary CTA has emerged as a noninvasive method to evaluate patients with suspected or established coronary artery disease. The diagnostic accuracy of coronary CTA to evaluate angiographic outcomes after BVS implantation has not been well established. METHODS: In the ABSORB II (A Bioresorbable Everolimus-Eluting Scaffold Versus a Metallic Everolimus-Eluting Stent II) study, patients were randomized either to receive treatment with the BVS or everolimus-eluting metallic stent...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28727799/atlantic-salmon-cardiac-primary-cultures-an-in-vitro-model-to-study-viral-host-pathogen-interactions-and-pathogenesis
#2
Patricia A Noguera, Bianka Grunow, Matthias Klinger, Katherine Lester, Bertrand Collet, Jorge Del-Pozo
Development of Salmon Cardiac Primary Cultures (SCPCs) from Atlantic salmon pre-hatch embryos and their application as in vitro model for cardiotropic viral infection research are described. Producing SCPCs requires plating of trypsin dissociated embryos with subsequent targeted harvest from 24h up to 3 weeks, of relevant tissues after visual identification. SCPCs are then transferred individually to chambered wells for culture in isolation, with incubation at 15-22°. SCPCs production efficiency was not influenced by embryo's origin (0...
2017: PloS One
https://www.readbyqxmd.com/read/28717859/estimated-costs-of-clinical-and-surgical-treatment-of-severe-obesity-in-the-brazilian-public-health-system
#3
Paula Rosales Zubiaurre, Luciana Ribeiro Bahia, Michelle Quarti Machado da Rosa, Roberto Pereira Assumpção, Alexandre Vontobel Padoin, Samanta Pereira Sussembach, Everton Nunes da Silva, Claudio Corá Mottin
BACKGROUND: Obesity is a major global epidemic and a burden to society and health systems. This study aimed to estimate and compare the anual costs of clinical and surgical treatment of severe obesity from the perspective of the Brazilian Public Health System. METHODS: An observational and cross-sectional study was performed in three reference centers. Data collection on health resources utilization and productivity loss was carried out through an online questionnaire...
July 17, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28705563/la-transition-enfant-adulte-pour-les-patients-souffrant-de-troubles-des-conduites-alimentaires
#4
Corinne Blanchet-Collet, Hervé Lefevre, Marie Rose Moro
THE CHILD-ADULT TRANSITION FOR PATIENTS SUFFERING FROM EATING DISORDERS.: Eating disorders are chronic and evolutive psychiatric conditions which develop on a continuum between childhood and adulthood. The transition between child, adolescent and then adult care is a period of great vulnerability which may induce drop-out and aggravation of symptoms. In the case of eating disorders in particular, personalised transition programmes have been implemented in order to provide this support.
July 2017: Soins. Pédiatrie, Puériculture
https://www.readbyqxmd.com/read/28694669/magnetic-resonance-imaging-may-predict-deep-remission-in-patients-with-perianal-fistulizing-crohn-s-disease
#5
Lucie Thomassin, Laura Armengol-Debeir, Cloé Charpentier, Valerie Bridoux, Edith Koning, Guillaume Savoye, Céline Savoye-Collet
AIM: To evaluate the imaging course of Crohn's disease (CD) patients with perianal fistulas on long-term maintenance anti-tumor necrosis factor (TNF)-α therapy and identify predictors of deep remission. METHODS: All patients with perianal CD treated with anti-TNF-α therapy at our tertiary care center were evaluated by magnetic resonance imaging (MRI) and clinical assessment. Two MR examinations were performed: at initiation of anti-TNF-α treatment and then at least 2 years after...
June 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28692268/photoinduced-structural-dynamics-of-molecular-systems-mapped-by-time-resolved-x-ray-methods
#6
Majed Chergui, Eric Collet
We review the tremendous advances in ultrafast X-ray science, over the past 15 years, making the best use of new ultrashort X-ray sources including table-top or large-scale facilities. Different complementary X-ray-based techniques, including spectroscopy, scattering, and diffraction, are presented. The broad and expanding spectrum of these techniques in the ultrafast time domain is delivering new insight into the dynamics of molecular systems, of solutions, of solids, and of biosystems. Probing the time evolution of the electronic and structural degrees of freedom of these systems on the time scales of femtosecond to picoseconds delivers new insight into our understanding of dynamical matter...
July 10, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28691911/a-novel-synchronized-diastolic-injection-method-to-reduce-contrast-volume-during-aortography-for-aortic-regurgitation-assessment-in-vitro-experiment-of-a-transcatheter-heart-valve-model
#7
Yosuke Miyazaki, Mohammad Abdelghani, Ellen S de Boer, Jean-Paul Aben, Math van Sloun, Todd Suchecki, Marcel van 't Veer, Carlos Collet, Taku Asano, Yuki Katagiri, Erhan Tenekecioglu, Osama I I Soliman, Yoshinobu Onuma, Robbert de Winter, Pim Tonino, Frans N van de Vosse, Marcel C M Rutten, Patrick W Serruys
AIMS: In the minimalist transcatheter aortic valve implantation (TAVI) era, the usage of transesophageal echocardiography becomes restricted. Conversely, aortography gains clinical ground in quantifying prosthetic valve regurgitation (PVR) during the procedure. In a mock circulation system, we sought to compare the contrast volume required and the accuracy of aortographic videodensitometric PVR assessment using a synchronized diastolic and standard (non-synchronized) injection aortography...
July 11, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28684430/percutaneous-coronary-intervention-has-similar-5-year-survival-rates-to-coronary-artery-bypass-grafting-surgery-for-patients-with-unprotected-left-main-artery-disease
#8
Carlos Collet, Patrick W Serruys
No abstract text is available yet for this article.
July 6, 2017: Evidence-based Medicine
https://www.readbyqxmd.com/read/28683293/a-specific-gut-microbiota-dysbiosis-of-type-2-diabetic-mice-induces-glp-1-resistance-through-an-enteric-no-dependent-and-gut-brain-axis-mechanism
#9
Estelle Grasset, Anthony Puel, Julie Charpentier, Xavier Collet, Jeffrey E Christensen, François Tercé, Rémy Burcelin
No abstract text is available yet for this article.
July 5, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28682397/copper-i-catalyzed-oxidative-hydrolysis-of-ugi-3-component-and-ugi-azide-reaction-products-towards-2%C3%A2-%C3%AE-ketoamides-and-%C3%AE-ketotetrazoles
#10
Jurriën W Collet, Christopher Foley, Arthur Y Shaw, Romano V A Orru, Eelco Ruijter, Christopher Hulme
Herein, a two-step MCR-oxidation methodology accessing decorated 2° α-ketoamides and α-ketotetrazoles is described via a catalytic copper(i)-mediated C-N oxidation/acidic hydrolysis of Ugi-three-component and Ugi-azide reaction products. The ability to install diversity from aldehyde and isocyanide synthons allows rapid complexity generation. Of note, (1) 2° α-ketoamides are traditionally difficult to access and more so reminiscent of the endogenous peptide bonds. (2) The route to α-keto-tetrazoles is significantly shorter than that in previous reports...
July 6, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28674071/-major-tom-to-ground-control-how-lipoproteins-communicate-extra-cytoplasmic-stress-to-the-decision-center-of-the-cell
#11
Géraldine Laloux, Jean-François Collet
The envelope of bacteria is a complex multi-layered shield that ensures multiple essential functions, including protecting the cell from external assaults. Hence, bacterial cells have evolved intricate mechanisms, called envelope stress response systems (ESRS), to monitor all kinds of perturbations affecting the integrity of their envelope and mount an appropriate response to contain or repair the damage. In the model bacterium Escherichia coli, several ESRS are built around a two-component system, in which envelope stress triggers a phosphotransfer between a sensor protein in the inner membrane of the envelope and a response regulator in the cytoplasm...
July 3, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28662806/temporal-trends-in-transcatheter-aortic%C3%A2-valve-replacement-in-france-france-2-to-france-tavi
#12
Vincent Auffret, Thierry Lefevre, Eric Van Belle, Hélène Eltchaninoff, Bernard Iung, René Koning, Pascal Motreff, Pascal Leprince, Jean Philippe Verhoye, Thibaut Manigold, Geraud Souteyrand, Dominique Boulmier, Patrick Joly, Frédéric Pinaud, Dominique Himbert, Jean Philippe Collet, Gilles Rioufol, Said Ghostine, Olivier Bar, Alain Dibie, Didier Champagnac, Lionel Leroux, Frédéric Collet, Emmanuel Teiger, Olivier Darremont, Thierry Folliguet, Florence Leclercq, Thibault Lhermusier, Patrick Olhmann, Bruno Huret, Luc Lorgis, Laurent Drogoul, Bernard Bertrand, Christian Spaulding, Laurent Quilliet, Thomas Cuisset, Maxence Delomez, Farzin Beygui, Jean-Philippe Claudel, Alain Hepp, Arnaud Jegou, Antoine Gommeaux, Anfani Mirode, Luc Christiaens, Charles Christophe, Claude Cassat, Damien Metz, Lionel Mangin, Karl Isaaz, Laurent Jacquemin, Philippe Guyon, Christophe Pouillot, Serge Makowski, Vincent Bataille, Josep Rodés-Cabau, Martine Gilard, Hervé Le Breton
BACKGROUND: Transcatheter aortic valve replacement (TAVR) is standard therapy for patients with severe aortic stenosis who are at high surgical risk. However, national data regarding procedural characteristics and clinical outcomes over time are limited. OBJECTIVES: The aim of this study was to assess nationwide performance trends and clinical outcomes of TAVR during a 6-year period. METHODS: TAVRs performed in 48 centers across France between January 2013 and December 2015 were prospectively included in the FRANCE TAVI (French Transcatheter Aortic Valve Implantation) registry...
July 4, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28649954/in-vitro-validation-of-coronary-ct-angiography-for-the-evaluation-of-complex-lesions
#13
Carlos Collet, Yoshinobu Onuma, Maik J Grundeken, Yosuke Miyazaki, Marcio Bittercourt, Pieter Kitslaar, Sadako Motoyama, Yukio Ozaki, Taku Asano, Jolanda J Wentzel, Geert J Streekstra, Patrick W Serruys, Robbert J de Winter, Nihls Planken
AIMS: To assess in vitro the diagnostic accuracy of computed tomography angiography (CTA) for the evaluation of complex coronary lesions. METHODS AND RESULTS: Five Plexiglas phantoms with three bifurcations lesions each were designed to mimic the anatomic variations and fractal phenomenon of the coronary tree. In addition, luminal stenosis were scaled up with increases of 10%. A third generation dual-source computed tomography was used. Automated quantitative CTA analysis was performed...
June 27, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28628446/diphtheria-in-mayotte-2007-2015
#14
Emmanuel Belchior, Sabine Henry, Edgar Badell, Louis Collet, Thierry Benoit-Cattin, Anne-Marie de Montera, Nicole Guiso, Olivier Patey, Daniel Levy-Bruhl, Laurent Filleul, Francois Chieze, Sophie Olivier
Epidemiology of diphtheria in the southwestern Indian Ocean is poorly documented. We analyzed 14 cases of infection with toxigenic Corynebacterium diphtheriae reported during 2007-2015 in Mayotte, a French department located in this region. Local control of diphtheria is needed to minimize the risk for importation of the bacterium into disease-free areas.
July 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28614437/chronic-disease-in-childhood-and-adolescence-continuity-of-care-in-the-health-care-network
#15
Vanessa Medeiros da Nóbrega, Maria Elizabete de Amorim Silva, Leiliane Teixeira Bento Fernandes, Claudia Silveira Viera, Altamira Pereira da Silva Reichert, Neusa Collet
OBJECTIVE: To evaluate the continuity of care for children and adolescents with chronic diseases in the health care network. METHODS: This qualitative study was conducted between February and October 2013 with 12 families, six health managers, and 14 health professionals from different health care services in a municipality of the state of Paraíba, Brazil, using focal groups, semi-structured interviews, and medical record consultation. The data were analyzed by triangulation and thematic analysis...
June 12, 2017: Revista da Escola de Enfermagem da U S P
https://www.readbyqxmd.com/read/28598528/use-of-radar-detectors-to-track-attendance-of-albatrosses-at-fishing-vessels
#16
H Weimerskirch, D P Filippi, J Collet, S M Waugh, S C Patrick
Despite international waters covering over 60% of the world's oceans, our understanding of how fisheries in these regions shape ecosystem processes is surprisingly poor. Seabirds are known to forage at fishing vessels, with potential deleterious effects for their population, but the extent of overlap and behavior in relation to ships are poorly known. Using novel biologging devices, which can detect radar emissions to record the position of boats and seabirds, we measured the true extent of the overlap between seabirds and fishing vessels, and generated estimates of the intensity of fishing and distribution of vessels in international waters...
June 9, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/28596159/in-vivo-relationship-between-hypoxia-and-angiogenesis-in-human-glioblastoma-a-multimodal-imaging-study
#17
Keven Ferreira da Ponte, David Hassanein Berro, Solène Collet, Jean-Marc Constans, Evelyne Emery, Samuel Valable, Jean-Sébastien Guillamo
Glioblastoma multiforme (GBM) is the most common and aggressive primary brain tumor. This aggressiveness is in part attributed to the closely interrelated phenomena, tumor hypoxia and angiogenesis, although few in vivo data exist in human brain tumors. This work aims to study hypoxia and angiogenesis, in vivo and in situ, in patients admitted with GBM using multimodal imaging. Methods: 23 GBM patients were assessed by [(18)F]-FMISO PET and conventional and perfusion MRI prior to surgery. The level and location of hypoxia ([(18)F]-FMISO uptake, evaluated by tumor/blood ratio, T/B), vascularization (cerebral blood volume, CBV) and vascular permeability (contrast enhancement after gadolinium injection) were analyzed...
June 8, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28592235/gene-centromere-mapping-in-meiotic-gynogenetic-european-seabass
#18
Münevver Oral, Julie Colléter, Michaël Bekaert, John B Taggart, Christos Palaiokostas, Brendan J McAndrew, Marc Vandeputte, Béatrice Chatain, Heiner Kuhl, Richard Reinhardt, Stefano Peruzzi, David J Penman
BACKGROUND: Fully isogenic lines in fish can be developed using "mitotic" gynogenesis (suppression of first zygotic mitosis following inactivation of the sperm genome). However, genome-wide verification of the steps in this process has seldom been applied. We used ddRADseq to generate SNP markers in a meiotic gynogenetic family of European seabass (Dicentrarchus labrax): (i) to verify the lack of paternal contribution in a meiotic gynogenetic family; (ii) to generate a gene-centromere map from this family; (iii) to identify telomeric markers that could distinguish mitotic gynogenetics from meiotic gynogenetics, which sometimes arise spontaneously in mitotic gynogenetic families...
June 7, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28590249/difference-in-hemodynamic-microenvironment-in-vessels-scaffolded-with-absorb-bvs-and-mirage-brms-insights-from-a-pre-clinical-endothelial-shear-stress-study
#19
Erhan Tenekecioglu, Ryo Torii, Christos Bourantas, Yohei Sotomi, Rafael Cavalcante, Yaping Zeng, Carlos Collet, Tom Crake, Pannipa Suwannasom, Yoshinobu Onuma, Patrick W Serruys
AIMS: In silico studies have provided robust evidence that stent design affects local hemodynamic forces, which appear as a major determinant of clinical outcomes following stent implantation. However, implications of different stent/scaffold configurations on local hemodynamic forces have not yet been investigated in vivo in a comparative fashion. METHOD AND RESULTS: Eight healthy mini pigs were implanted with six Absorb everolimus-eluting Bioresorbable Vascular Scaffolds (Absorb BVS) and five Mirage sirolimus-eluting Bioresorbable Microfiber Scaffolds (Mirage BRMS)...
June 6, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28573375/chronic-maxillary-atelectasis-and-silent-sinus-syndrome-two-faces-of-the-same-clinical-entity
#20
Clotilde de Dorlodot, Stephanie Collet, Philippe Rombaux, Mihaela Horoi, Sergio Hassid, Philippe Eloy
Chronic maxillary atelectasis (CMA) and silent sinus syndrome (SSS) are rare clinical entities characterized by an implosion of the maxillary sinus that may or may not be associated with sinonasal symptoms, and are complicated by ipsilateral enophthalmos. The objective of this article is to discuss the definitions, physiopathology, clinical and radiographic characteristics, and surgical management of these entities. We retrospectively reviewed 18 patients (7 women, 11 men, aged 12-70 years) diagnosed and treated in the ear, nose, and throat departments of four Belgian teaching hospitals between 2000 and 2015...
June 1, 2017: European Archives of Oto-rhino-laryngology
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