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https://www.readbyqxmd.com/read/27914281/stability-of-smokeless-powder-compounds-on-collection-devices
#1
Regina Verena Taudte, Claude Roux, Alison Beavis
The current trend towards the implementation of organic gunshot residue (OGSR) analysis into gunshot residue (GSR) investigation protocols typically involves the sequential analysis of inorganic and organic GSR. However, to allow for the consecutive analysis of inorganic and organic GSR, specimens will often be stored for different lengths of time which may result in compounds of interest degrading. In order to optimise storage conditions, it is important to consider compound degradation on collection devices during storage...
November 24, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27913329/2-d-ultrasound-sparse-arrays-multidepth-radiation-optimization-using-simulated-annealing-and-spiral-array-inspired-energy-functions
#2
Emmanuel Roux, Alessandro Ramalli, Piero Tortoli, Christian Cachard, Marc C Robini, Herve Liebgott
Full matrix arrays are excellent tools for 3-D ultrasound imaging, but the required number of active elements is too high to be individually controlled by an equal number of scanner channels. The number of active elements is significantly reduced by the sparse array techniques, but the position of the remaining elements must be carefully optimized. This issue is faced here by introducing novel energy functions in the simulated annealing (SA) algorithm. At each iteration step of the optimization process, one element is freely translated and the associated radiated pattern is simulated...
December 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/27913235/laparoscopic-gastric-bypass-versus-laparoscopic-sleeve-gastrectomy-a-retrospective-multicenter-comparison-between-early-and-long-term-post-operative-outcomes
#3
Fabio Rondelli, Walter Bugiantella, Maria Cristina Vedovati, Enrico Mariani, Ruben Carlo Balzarotti Canger, Sara Federici, Adriano Guerra, Marcello Boni
BACKGROUND: Laparoscopic Roux-en-Y gastric bypass (LRYGB) and laparoscopic sleeve gastrectomy (LSG) are the most commonly performed procedures for morbid obesity. METHODS: We performed a retrospective review of patients undergoing LRYGB or LSG between August 2000 and November 2014. RESULTS: Data from 581 (280 LSG and 301 LRYGB) were gathered. Operating time (77.6 vs 250.5 min; p < 0.001), post-operative complication rate (3.9% vs 11...
November 29, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27912678/the-physiology-and-molecular-underpinnings-of-the-effects-of-bariatric-surgery-on-obesity-and-diabetes
#4
Simon S Evers, Darleen A Sandoval, Randy J Seeley
Bariatric surgeries, such as Roux-en-Y gastric bypass and vertical sleeve gastrectomy, produce significant and durable weight loss in both humans and rodents. Recently, these surgical interventions have also been termed metabolic surgery because they result in profound metabolic improvements that often surpass the expected improvement due to body weight loss alone. In this review we focus on the weight-loss independent effects of bariatric surgery, which encompass energy expenditure and macronutrient preference, the luminal composition of the gut (i...
November 28, 2016: Annual Review of Physiology
https://www.readbyqxmd.com/read/27912030/perinatal-outcomes-and-the-influence-of-maternal-characteristics-after-roux-en-y-gastric-bypass-surgery
#5
Cristiane Chagas, Cláudia Saunders, Silvia Pereira, Jacqueline Silva, Carlos Saboya, Andréa Ramalho
OBJECTIVE: Assess the perinatal outcomes and identify what maternal characteristics can influence them in women who had undergone Roux-en-Y gastric bypass (RYGB). MATERIALS AND METHODS: Analytical, prospective, and longitudinal study with pregnant adult women. INCLUSION CRITERIA: chronological age >20 years; singleton pregnancy; RYGB surgery before pregnancy. EXCLUSION CRITERIA: prior malabsorptive or restrictive surgeries; malabsorption syndrome...
December 2, 2016: Journal of Women's Health
https://www.readbyqxmd.com/read/27909875/one-anastomosis-gastric-bypass-why-biliary-reflux-remains-controversial
#6
Matthieu Bruzzi, Jean-Marc Chevallier, Sébastien Czernichow
One-anastomosis gastric bypass is an alternative to the "gold-standard" Roux-en-Y gastric bypass. This technique appears to be safe and efficient, but controversy remains regarding the long-term theoretical risk of subsequent biliary reflux and its possible complications, such as cancer. The aim of the present narrative review was to summarize some of the current thoughts on biliary reflux. Research has established that exposure to chronic bile reflux in humans and rats (outside the "bariatric surgery" box) induce esophageal intestinal metaplasia and esophageal adenocarcinoma...
December 1, 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27909874/is-daily-low-dose-aspirin-safe-to-take-following-laparoscopic-roux-en-y-gastric-bypass-for-obesity-surgery
#7
Xian Kang, Dennis Hong, Mehran Anvari, Maria Tiboni, Nalin Amin, Scott Gmora
BACKGROUND: Laparoscopic Roux-en-Y gastric bypass (LRYGB) surgery is a safe and effective procedure for patients with severe obesity. One potential complication of LRYGB is the development of marginal ulcers (MUs). Nonsteroidal anti-inflammatory drugs (NSAIDs) are known to significantly increase the likelihood of developing marginal ulcers after surgery. However, the risk associated with low-dose aspirin consumption is not well defined. We examined the impact of daily low-dose aspirin (81 mg) on the development of marginal ulcers following LRYGB...
December 1, 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27908026/resonant-metalenses-for-flexural-waves-in-plates
#8
Andrea Colombi
The dispersion curves of a cluster of closely spaced rods supported by a thin plate are characterised by subwavelength bandgaps and slow group velocities induced by local resonance effects. A recent analytical study [Williams, Roux, Rupin, and Kuperman (2015). Phys. Rev. B 91, 104307], has shown how the slow velocity branch depends, amongst other parameters, on the height of the rods that make up the cluster. Such metamaterial, offering easy-to-tune spatial velocity gradients, is a perfect candidate for building gradient index lenses such as Luneburg, Maxwell, and 90° rotating...
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27906132/the-distinct-fate-of-smooth-and-rough-mycobacterium-abscessus-variants-inside-macrophages
#9
Anne-Laure Roux, Albertus Viljoen, Aïcha Bah, Roxane Simeone, Audrey Bernut, Laura Laencina, Therese Deramaudt, Martin Rottman, Jean-Louis Gaillard, Laleh Majlessi, Roland Brosch, Fabienne Girard-Misguich, Isabelle Vergne, Chantal de Chastellier, Laurent Kremer, Jean-Louis Herrmann
Mycobacterium abscessus is a pathogenic, rapidly growing mycobacterium responsible for pulmonary and cutaneous infections in immunocompetent patients and in patients with Mendelian disorders, such as cystic fibrosis (CF). Mycobacterium abscessus is known to transition from a smooth (S) morphotype with cell surface-associated glycopeptidolipids (GPL) to a rough (R) morphotype lacking GPL. Herein, we show that M. abscessus S and R variants are able to grow inside macrophages and are present in morphologically distinct phagosomes...
November 2016: Open Biology
https://www.readbyqxmd.com/read/27905489/the-mammalian-linc-complex-regulates-genome-transcriptional-responses-to-substrate-rigidity
#10
Samer G Alam, Qiao Zhang, Nripesh Prasad, Yuan Li, Srikar Chamala, Ram Kuchibhotla, Birendra Kc, Varun Aggarwal, Shristi Shrestha, Angela L Jones, Shawn E Levy, Kyle J Roux, Jeffrey A Nickerson, Tanmay P Lele
Mechanical integration of the nucleus with the extracellular matrix (ECM) is established by linkage between the cytoskeleton and the nucleus. This integration is hypothesized to mediate sensing of ECM rigidity, but parsing the function of nucleus-cytoskeleton linkage from other mechanisms has remained a central challenge. Here we took advantage of the fact that the LINC (linker of nucleoskeleton and cytoskeleton) complex is a known molecular linker of the nucleus to the cytoskeleton, and asked how it regulates the sensitivity of genome-wide transcription to substratum rigidity...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905219/early-24-hour-blood-pressure-response-to-roux-en-y-gastric-bypass-in-obese-patients
#11
Julie S Pedersen, Christian Borup, Morten Damgaard, Vindhya D Yatawara, Andrea K Floyd, Niels Gadsbøll, Peter K Bonfils
Recently, it has been proposed, that the blood pressure (BP) lowering effect of gastric bypass surgery not only is explained by the obtained weight loss, but that the anatomical rearrangement of the gut after 'malabsorptive' surgical techniques, such as the laparoscopic Roux-en-Y gastric bypass (LRYGB), may affect BP through a change in a putative 'entero-renal' axis. If so one could anticipate a reduction in BP even before a noticeable weight loss was obtained. The purpose of the present study was to investigate the very early BP response to LRYGB surgery...
December 1, 2016: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/27903746/intestinal-glycolysis-visualized-by-fdg-pet-ct-correlates-with-glucose-decrement-after-gastrectomy
#12
Cheol Ryong Ku, Narae Lee, Jae Won Hong, In Gyu Kwon, Woo Jin Hyung, Sung Hoon Noh, Eun Jig Lee, Mijin Yun, Arthur Cho
Gastrectomy method is known to influence glucose homeostasis. (18)F-fluorodeoxyglucose (FDG) PET/CT acquired after gastrectomy often reveals newly developed physiologic small bowel uptake. We correlated newly developed small bowel FDG uptake and glucose homeostasis in post-gastrectomy gastric cancer patients. We retrospectively analyzed 239 non-diabetic patients who underwent staging and follow-up FDG PET/CT before and after gastrectomy for gastric cancer. Post-operative small bowel glycolysis was quantified by recording intestinal total lesion glycolysis (TLG)...
November 30, 2016: Diabetes
https://www.readbyqxmd.com/read/27903153/management-of-obesity
#13
Naji Alamuddin, Zayna Bakizada, Thomas A Wadden
This review examines weight loss and accompanying improvements in obesity-related comorbidities produced by intensive lifestyle intervention, pharmacotherapy, and bariatric surgery. Obese individuals lose approximately 6 to 8 kg (approximately 6% to 8% of initial weight) with 6 months of participation in a high-intensity lifestyle intervention (≥ 14 treatment visits) consisting of diet, physical activity, and behavior therapy. Such losses reduce progression to type 2 diabetes in at-risk people and decrease blood pressure and triglyceride levels...
December 10, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27903129/a-one-step-conversion-from-gastric-banding-to-laparoscopic-roux-en-y-gastric-bypass-is-as-safe-as-a-two-step-conversion-a-comparative-analysis-of-885-patients
#14
I Debergh, B Defoort, M De Visschere, S Flahou, S Van Cauwenberge, J P Mulier, B Dillemans
AIMS: To achieve additional weight loss or to resolve band-related problems, a laparoscopic adjustable gastric banding (LAGB) can be converted to a laparoscopic Roux-en-Y gastric bypass (RYGB). There is limited data on the feasibility and safety of routinely performing a single-step conversion. We assessed the efficacy of this revisional approach in a large cohort of patients operated in a high-volume bariatric institution. METHODS: Between October 2004 and December 2015, a total of 885 patients who underwent LAGB removal with RYGB were identified from a prospectively collected database...
November 30, 2016: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/27902955/extrahepatic-biliary-obstrution-secondary-to-neuroendocrine-tumor-of-the-common-hepatic-duct
#15
Faraz A Khan, Anastasia Stevens-Chase, Rahman Chaudhry, Asra Hashmi, David Edelman, Donald Weaver
INTRODUCTION: Primary neuroendocrine tumors (NET) of the extrahepatic biliary tree are a rare entity with less than 100 reported cases in the literature. PRESENTATION OF CASE: Here, we report a case of NET of the extrahepatic bile duct in a 64-year-old male patient presenting with painless jaundice, direct hyperbilirubinemia, and mildly elevated transaminases. Diagnostic workup with an ultrasound revealed dilation of the intrahepatic biliary ducts, without cholelithiasis or choledocholithiasis...
November 23, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27901525/headgroup-engineering-in-mechanosensitive-membrane-probes
#16
Saeideh Soleimanpour, Adai Colom, Emmanuel Derivery, Marcos Gonzalez-Gaitan, Aurelien Roux, Naomi Sakai, Stefan Matile
Systematic headgroup engineering yields planarizable push-pull flipper probes that are ready for use in biology - stable, accessible, modifiable -, and affords non-trivial insights into chalcogen-bond mediated mechanophore degradation and fluorescence enhancement.
November 30, 2016: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/27901462/what-is-your-diagnosis
#17
Alexandre B Le Roux, Jennifer M Hickey, Peter G Noel
No abstract text is available yet for this article.
December 15, 2016: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/27901328/prognostic-value-of-interim-fdg-pet-ct-in-patients-older-than-60-years-with-diffuse-large-b-cell-lymphoma-treated-by-pmitcebo-plus-rituximab-comparison-between-deauville-5-point-scale-and-international-harmonization-project-criteria
#18
Naelle Lombion, Philippe Robin, Adrian Tempescul, Pierre Y LE Roux, Ulrike Schick, Gaëlle Guillerm, Jean C Ianotto, Christian Berthou, Pierre Y Salaün, Ronan Abgral
BACKGROUND: Advanced age is an independent poor prognostic factor of diffuse large B-cell lymphoma. PMitCEBO is an alternative to CHOP to decrease side effects in elderly patients. Many studies have shown prognostic value of an interim FDG PET-CT to predict survival. A recent consensus (ICML, Lugano 2013) has suggested using the 5-point scale Deauville criteria instead of those of the international harmonization project (IHP) to visually assess the response on interim PET. The objective of this study was to evaluate the prognostic value of an interim FDG PET-CT in patients older than 60 with treated DLBCL and to compare IHP and 5-PS Deauville visual interpretation to predict survival...
November 30, 2016: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27901287/randomized-trial-of-roux-en-y-gastric-bypass-versus-sleeve-gastrectomy-in-achieving-excess-weight-loss
#19
M Ignat, M Vix, I Imad, A D'Urso, S Perretta, J Marescaux, D Mutter
BACKGROUND: Robust data on quality of life (QoL) after different techniques of bariatric surgery are sparse. This RCT compared excess weight loss (EWL) and QoL after sleeve gastrectomy versus Roux-en-Y gastric bypass (RYGB). METHODS: Obese patients were assigned randomly to RYGB or sleeve gastrectomy. The primary outcome measure was EWL. Secondary outcomes included QoL, co-morbidity, adverse events, vitamin and glycolipid status. QoL was assessed before and annually after surgery, using the Moorehead-Ardelt Quality of Life Questionnaire II (M-A-QoLQII) and Gastrointestinal Quality of Life Index (GIQLI)...
November 30, 2016: British Journal of Surgery
https://www.readbyqxmd.com/read/27900560/serum-leptin-obestatin-and-ghrelin-levels-and-gastric-emptying-rates-of-liquid-and-solid-meals-in-non-obese-rats-with-roux-en-y-bypass-surgery-or-prosthesis-placement-implications-for-the-role-of-vagal-afferents
#20
Yunus Yavuz, Zarife Nigar Özdemir Kumral, Gülsün Memi, Özge Dağdeviren Çevik, Cumhur Yeğen, Berrak Ç Yeğen
BACKGROUND: The present study aimed to investigate the effects of Roux-en-Y gastric bypass (RYGB) and prosthesis placement on gastric emptying rate in conjunction with serum ghrelin-obestatin-leptin responses in non-obese rats with intact or denervated afferent innervation. METHODS: Under anesthesia, male Sprague-Dawley rats underwent either sham operation, RYGB, prosthesis, and/or Gregory cannula placement. Three weeks later, liquid or solid gastric emptying tests were performed and serum ghrelin, leptin and obestatin levels were measured...
November 29, 2016: Obesity Surgery
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