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https://www.readbyqxmd.com/read/29128386/a-pilot-study-of-endoscopically-inserted-biodegradable-biliary-stents-in-the-treatment-of-benign-biliary-strictures-and-cystic-duct-leaks
#1
Antti Siiki, Irina Rinta-Kiikka, Juhani Sand, Johanna Laukkarinen
BACKGROUND AND AIMS: Self-expanding biodegradable biliary stents (BDBSs) have recently become available for use in endoscopic retrograde cholangiography (ERC). The aim was to evaluate the effectiveness and safety of novel BDBS in iatrogenic cystic duct leaks and benign biliary strictures (BBSs). MATERIALS AND METHODS: Patients providing informed consent were recruited for the prospective study. Braided self-expanding poly-dioxanone BDBSs were inserted in ERC during the period 2012 to 2016...
November 8, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29112097/predictive-factors-for-long-operative-duration-in-patients-undergoing-laparoscopic-cholecystectomy-after-endoscopic-retrograde-cholangiography-for-combined-choledochocystolithiasis
#2
Ryukyung Lee, Heontak Ha, Young Seok Han, Min Kyu Jung, Jae Min Chun
PURPOSE: Choledochocystolithiasis and its associated complications such as cholangitis and pancreatitis are managed by endoscopic retrograde cholangiography (ERC), with endoscopic stone extraction followed by laparoscopic cholecystectomy (LC). However, affected patients present with complex conditions linked to operative difficulties in performing LC. The aim of this study was to elucidate the predictive factors for a prolonged LC procedure following ERC for treating patients with choledochocystolithiasis...
November 3, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/29093748/a-systematic-review-on-multiparametric-mr-imaging-in-prostate-cancer-detection
#3
REVIEW
Roberta Fusco, Mario Sansone, Vincenza Granata, Sergio Venanzio Setola, Antonella Petrillo
Background: Literature data suggest that multi-parametric Magnetic Resonance Imaging (MRI), including morphologic T2-weigthed images (T2-MRI) and functional approaches such as Dynamic Contrast Enhanced-MRI (DCE-MRI), Diffusion Weighted Imaging (DWI) and Magnetic Resonance Spectroscopic Imaging (MRSI), give an added value in the prostate cancer localization and local staging. Methods: We performed a systematic review of literature about the role and the potentiality of morphological and functional MRI in prostate cancer, also in a multimodal / multiparametric approach, and we reported the diagnostic accuracy results for different imaging modalities and for different MR coil settings: endorectal coil (ERC) and phased array coil (PAC)...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/29089269/erc-vs-direct-cholangioscopy-dawn-of-a-new-reference-standard
#4
Vincent Zimmer
No abstract text is available yet for this article.
October 13, 2017: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29078387/individual-differences-in-associative-memory-among-older-adults-explained-by-hippocampal-subfield-structure-and-function
#5
Valerie A Carr, Jeffrey D Bernstein, Serra E Favila, Brian K Rutt, Geoffrey A Kerchner, Anthony D Wagner
Older adults experience impairments in episodic memory, ranging from mild to clinically significant. Given the critical role of the medial temporal lobe (MTL) in episodic memory, age-related changes in MTL structure and function may partially account for individual differences in memory. Using ultra-high-field 7T structural MRI and high-resolution 3T functional MRI (hr-fMRI), we evaluated MTL subfield thickness and function in older adults representing a spectrum of cognitive health. Participants performed an associative memory task during hr-fMRI in which they encoded and later retrieved face-name pairs...
October 23, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29069280/prosperous-high-throughput-prediction-of-substrate-cleavage-sites-for-90-proteases-with-improved-accuracy
#6
Jiangning Song, Fuyi Li, André Leier, Tatiana T Marquez-Lago, Tatsuya Akutsu, Gholamreza Haffari, Kuo-Chen Chou, Geoffrey I Webb, Robert N Pike
Summary: Proteases are enzymes that specifically cleave the peptide backbone of their target proteins. As an important type of irreversible post-translational modification, protein cleavage underlies many key physiological processes. When dysregulated, proteases' actions are associated with numerous diseases. Many proteases are highly specific, cleaving only those target substrates that present certain particular amino acid sequence patterns. Therefore, tools that successfully identify potential target substrates for proteases may also identify previously unknown, physiologically relevant cleavage sites, thus providing insights into biological processes and guiding hypothesis-driven experiments aimed at verifying protease-substrate interaction...
October 23, 2017: Bioinformatics
https://www.readbyqxmd.com/read/29049096/the-effect-of-tackler-technique-on-head-injury-assessment-risk-in-elite-rugby-union
#7
Gregory J Tierney, Karl Denvir, Garreth Farrell, Ciaran K Simms
PURPOSE: To use match video evidence of tackles in elite level rugby union in order to identify tackler proficiency characteristics, for both Lower Body and Upper Body Tackles, that result in Head Injury Assessments (HIA) for the tackler. METHODS: A review of international rugby union matches (2013-2016) and Pro 12/ERC Champions Cup matches (2014-2016) from a professional rugby union club was conducted. HIA (n=53) and non-HIA tackles (n=233) were categorised as either front-on or side-on Upper Body or Lower Body Tackles and scored for tackling proficiency characteristics...
October 18, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29046958/laparoscopic-choledochoduodenostomy-as-a-reliable-rescue-procedure-for-complicated-bile-duct-stones
#8
Palanisamy Senthilnathan, Dhawal Sharma, Sandeep C Sabnis, S Srivatsan Gurumurthy, E Senthil Anand, V P Nalankilli, Natesan Anand Vijai, Palanivelu Praveen Raj, Ramakrishnan Parthasarathy, Subbaiah Rajapandian, Chinnusamy Palanivelu
BACKGROUND: Endoscopic retrograde cholangiopancreatography (ERCP) with stone extraction is generally accepted as first line management for common bile duct (CBD) stones. CBD exploration, either by open or laparoscopic approach nowadays, is usually reserved for ERCP failures, complicated stone locations, along with altered anatomical situations. The aim of this study was to highlight the increasing role of laparoscopic choledochoduodenostomy which is not only a reliable but also as a rescue procedure for those failed ERCP cases due to complicated bile duct stones...
October 18, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29040579/cultural-determinants-influence-assisted-reproduction-usage-in-europe-more-than-economic-and-demographic-factors
#9
Patrick Präg, Melinda C Mills
STUDY QUESTION: To what extent do financial, demographic and cultural determinants explain the vast cross-national differences in ART treatments in Europe? SUMMARY ANSWER: The normative cultural acceptance of ART is a major driver of ART treatments in Europe, above and beyond differences in country wealth, demographic aspects and religious composition. WHAT IS KNOWN ALREADY: There are vast differences in the number of ART treatments across European countries, which are to some extent related to country affluence, regulation, and insurance coverage and costs...
November 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29036144/second-order-statistics-of-a-radially-polarized-partially-coherent-twisted-beam-in-a-uniaxial-crystal
#10
Wenyu Fu, Pengfei Cao
The Wigner function (WDF) has been used to study the second-order moments for a radially polarized partially coherent twisted (RPPCT) beam (i.e., a RPPC beam with a twist phase) propagating in a uniaxial crystal. With the help of the extended Huygens-Fresnel integral formula and definition of the WDF, the analytical formulas for propagation factor (M(2)-factor), effective radius of curvature (ERC), and Rayleigh range of a RPPCT beam propagating in a uniaxial crystal have been derived. Our numerical results show that the M(2)-factor of a RPPCT beam with larger absolute value of the twist factor or lower coherence is less affected by anisotropic diffraction in a uniaxial crystal...
September 1, 2017: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/29032594/implementation-of-aicar-analysis-by-gc-c-irms-for-anti-doping-purposes
#11
C Buisson, C Frelat, C Mongongu, N Martinat, M Audran
AICAR (5-aminoimidazole-4-carboxamide-1-β-D-ribofuranoside), is a naturally-occurring substance which is part to the prohibited list of WADA. It is claimed to improve physical performance when administered as a supplement. As for other endogenous compounds such as steroids, the GC-C-IRMS analysis remains an efficient tool to differentiate endogenous substances from exogenous ones. A protocol was described in the literature for the analysis of AICAR by GC-C-IRMS. The aim of the present study was to implement this protocol in our laboratory and to propose solutions to avoid the difficulties encountered...
October 15, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29024915/information-density-converges-in-dialogue-towards-an-information-theoretic-model
#12
Yang Xu, David Reitter
The principle of entropy rate constancy (ERC) states that language users distribute information such that words tend to be equally predictable given previous contexts. We examine the applicability of this principle to spoken dialogue, as previous findings primarily rest on written text. The study takes into account the joint-activity nature of dialogue and the topic shift mechanisms that are different from monologue. It examines how the information contributions from the two dialogue partners interactively evolve as the discourse develops...
October 9, 2017: Cognition
https://www.readbyqxmd.com/read/29023983/age-vascular-health-and-alzheimer-disease-biomarkers-in-an-elderly-sample
#13
Prashanthi Vemuri, Timothy G Lesnick, Scott A Przybelski, David S Knopman, Val J Lowe, Jonathan Graff-Radford, Rosebud O Roberts, Michelle M Mielke, Mary M Machulda, Ronald C Petersen, Clifford R Jack
OBJECTIVE: To investigate the associations between age, vascular health, and Alzheimer disease (AD) imaging biomarkers in an elderly sample. METHODS: We identified 430 individuals along the cognitive continuum aged >60 years with amyloid positron emission tomography (PET), tau PET, and magnetic resonance imaging (MRI) scans from the population-based Mayo Clinic Study of Aging. A subset of 329 individuals had fluorodeoxyglucose (FDG) PET. We ascertained presently existing cardiovascular and metabolic conditions (CMC) from health care records and used the summation of presence/absence of hypertension, hyperlipidemia, cardiac arrhythmias, coronary artery disease, congestive heart failure, diabetes mellitus, and stroke as a surrogate for vascular health...
November 2017: Annals of Neurology
https://www.readbyqxmd.com/read/29023299/reconstruction-of-liposarcoma-resection-defect-with-a-made-to-measure-polyethylene-prosthesis-using-three-dimensional-digital-technology
#14
Josué Hernando, David Geijo, Ignacio Osoitz Leizaola-Cardesa, Antonio Aguilar-Salvatierra, María Carmen Gómez, Cristina Erce, Javier Martín, Gerardo Gómez-Moreno
BACKGROUND: Liposarcoma is considered one of the most frequently occurring tumors of the soft tissues, representing 17% to 30% of all mesenchymal cell tumors. It is less common in the head and neck representing <10% of tumors in this region. The reconstruction of defects derived from resection of these tumors presents a surgical challenge. New three-dimensional digital technologies allow more exact surgery, cause less morbidity, and achieve adequate aesthetic outcomes. OBJECTIVE: The aim of this article was to describe the complex reconstruction of a defect caused by the resection of a liposarcoma in the temporal region...
October 11, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29021205/the-erc-from-before-then-to-anniversary-celebrations
#15
Frank Gannon
No abstract text is available yet for this article.
November 2017: EMBO Reports
https://www.readbyqxmd.com/read/28991997/substituting-ground-woody-plants-for-cottonseed-hulls-in-lamb-feedlot-diets-growth-performance-blood-serum-chemistry-and-rumen-fluid-parameters
#16
T R Whitney, J L Glasscock, J P Muir, W C Stewart, E J Scholljegerdes
Effects of using ground woody plants in Rambouillet wether lamb feedlot diets on growth performance, blood serum, and rumen parameters were evaluated. A randomized design study was used with 2 feeding periods (70% concentrate diet from d 0 to 27 [Period 1] and 86% concentrate diet from d 28 to 57 [Period 2]); the concentrate portion of the diets mainly consisted of dried distiller's grains with solubles and sorghum grain. Lambs were individually fed 6 diets that differed only by roughage source ( = 8 animals/treatment; 32...
September 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28983829/mechanical-ventilation-during-resuscitation-how-manual-chest-compressions-affect-a-ventilator-s-function
#17
Tillmann Speer, Wolfgang Dersch, Björn Kleine, Christian Neuhaus, Clemens Kill
INTRODUCTION: Guidelines for resuscitation recommend positive-pressure ventilation with a fixed ventilation rate as provided by an automated transport ventilator during cardiopulmonary resuscitation (CPR) with a secured airway. We investigated the influence of manual chest compressions (CC) on the accuracy of ventilator presets and the quality of CC with intermittent positive-pressure ventilation (IPPV), bilevel ventilation (BiLevel), and the novel ventilation mode chest compression synchronized ventilation (CCSV) in a simulation model...
October 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28978975/childhood-obesity-prevention-through-a-community-based-cluster-randomized-controlled-physical-activity-intervention-among-schools-in-china-the-health-legacy-project-of-the-2nd-world-summer-youth-olympic-games-yog-obesity-study
#18
Z Wang, F Xu, Q Ye, L A Tse, H Xue, Z Tan, E Leslie, N Owen, Y Wang
BACKGROUND: Childhood obesity has been becoming a worldwide public health problem. We conducted a community-based physical activity (PA) intervention program aiming at childhood obesity prevention in general student population in Nanjing of China, the host city of the 2nd World Summer Youth Olympic Games (YOG-Obesity study). METHODS: This was a cluster randomized controlled intervention study. Participants were the 4th (Mean age±s.e.: 9.0±0.01) and 7th (Mean age±s...
October 5, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28978362/reliability-and-utility-of-manual-and-automated-estimates-of-total-intracranial-volume
#19
Samuel J Crowley, Jared J Tanner, Daniel Ramon, Nadine A Schwab, Loren P Hizel, Catherine C Price
OBJECTIVES: Total intracranial volume (TICV) is an important control variable in brain-behavior research, yet its calculation has challenges. Manual TICV (Manual) is labor intensive, and automatic methods vary in reliability. To identify an accurate automatic approach we assessed the reliability of two FreeSurfer TICV metrics (eTIV and Brainmask) relative to manual TICV. We then assessed how these metrics alter associations between left entorhinal cortex (ERC) volume and story retention...
October 5, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28970730/suspicious-brush-cytology-is-an-indication-for-liver-transplantation-evaluation-in-primary-sclerosing-cholangitis
#20
Sonja Boyd, Marko Vannas, Kalle Jokelainen, Helena Isoniemi, Heikki Mäkisalo, Martti A Färkkilä, Johanna Arola
AIM: To investigate markers for high-grade dysplasia for the optimal timing of liver transplantation in patients with primary sclerosing cholangitis (PSC). METHODS: Earlier data support a dysplasia-carcinoma sequence, even low- to high-grade dysplasia, in PSC-associated cholangiocarcinoma (CCA). Surveillance using endoscopic retrograde cholangiography (ERC) and brush cytology aims to detect cases of biliary dysplasia, and liver transplantation is an option in cases with suspicion of malignancy in brushing...
September 7, 2017: World Journal of Gastroenterology: WJG
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