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https://www.readbyqxmd.com/read/28092996/chromosome-1-amplification-has-similar-prognostic-value-to-del-17p13-and-t-4-14-p16-q32-in-multiple-myeloma-patients-analysis-of-real-life-data-from-the-polish-myeloma-study-group
#1
Norbert Grzasko, Roman Hajek, Marek Hus, Sylwia Chocholska, Marta Morawska, Krzysztof Giannopoulos, Krzysztof Czarnocki, Agnieszka Druzd-Sitek, Barbara Pienkowska-Grela, Jolanta Rygier, Lidia Usnarska-Zubkiewicz, Dominik Dytfeld, Tadeusz Kubicki, Artur Jurczyszyn, Maciej Korpysz, Anna Dmoszynska
The study aimed to assess prognostic significance of del(13q14), del(17p13), t(4;14)(p16;q32), and amp(1q21) in newly diagnosed myeloma patients treated mostly with thalidomide-based therapies. All genetic abnormalities except del(13q14) were independent prognostic factors associated with shortened progression-free survival (PFS) and overall survival (OS). Patients with no abnormalities, one abnormality, and ≥2 abnormalities had a median PFS of 41.8, 17.0, and 10.0 months, respectively; a median OS was not reached, 48...
January 16, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28091837/peritoneal-fluid-of-low-ct-hounsfield-units-as-a-screening-criterion-for-traumatic-bowel-perforation
#2
Yon-Cheong Wong, Li-Jen Wang, Cheng-Hsien Wu, Huan-Wu Chen, Being-Chuan Lin, Yu-Pao Hsu
PURPOSE: To investigate whether peritoneal fluid of low CT Hounsfield units is an important screening criterion for traumatic bowel perforation. MATERIALS AND METHODS: We performed a retrospective study on two cohorts of blunt trauma patients who had peritoneal fluid. Intravenous and oral contrast was used for the first cohort (61 patients) as opposed to intravenous contrast only for the second cohort (60 patients). We compared the CT Hounsfield units of peritoneal fluid with bowel perforation...
January 13, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28078430/blood-urea-nitrogen-to-serum-creatinine-ratio-is-an-accurate-predictor-of-outcome-in-diarrhea-associated-hemolytic-uremic-syndrome-a-preliminary-study
#3
Werner Keenswijk, Jill Vanmassenhove, Ann Raes, Evelyn Dhont, Johan Vande Walle
: Diarrhea-associated hemolytic uremic syndrome (D+HUS) is a common thrombotic microangiopathy during childhood and early identification of parameters predicting poor outcome could enable timely intervention. This study aims to establish the accuracy of BUN-to-serum creatinine ratio at admission, in addition to other parameters in predicting the clinical course and outcome. Records were searched for children between 1 January 2008 and 1 January 2015 admitted with D+HUS. A complicated course was defined as developing one or more of the following: neurological dysfunction, pancreatitis, cardiac or pulmonary involvement, hemodynamic instability, and hematologic complications while poor outcome was defined by death or development of chronic kidney disease...
January 11, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28074307/clinical-characteristics-and-long-term-outcome-of-diarrhea-associated-hemolytic-uremic-syndrome-a-single-center-experience
#4
Takeshi Ninchoji, Kandai Nozu, Keita Nakanishi, Tomoko Horinouchi, Junya Fujimura, Tomohiko Yamamura, Shogo Minamikawa, Shingo Ishimori, Koichi Nakanishi, Norishige Yoshikawa, Ichiro Morioka, Hiroshi Kaito, Kazumoto Iijima
OBJECTIVES: To clarify the clinical characteristics and long-term outcomes of patients with diarrhea-associated hemolytic uremic syndrome (D + HUS) with a particular focus on time course. METHODS: We retrospectively analyzed the medical records of 61 patients with D + HUS who were admitted to Kobe University Hospital between 1995 and 2015. The onset of D + HUS was defined as day 1 of diarrhea. RESULTS: The age of onset was 4.1 (1...
January 10, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28062285/a-review-on-strategies-for-decreasing-e-%C3%A2-coli-o157-h7-risk-in-animals
#5
REVIEW
Pardis Saeedi, Maryam Yazdanparast, Elham Behzadi, Ali Hatef Salmanian, Seyed Latif Mousavi, Shahram Nazarian, Jafar Amani
Enterohemorrhagic Escherichia coli (EHEC) serotype O157:H7 is a food-borne pathogen that younger children are most prone to this microorganism. Hemolytic Uremic Syndrome (HUS) caused by EHEC, leads to the destruction of red blood cells and kidney failure. The virulence of E.coli O157:H7 is attributed to fimbriae, that facilitate colonization of bacteria within the colon and verotoxins (VT) or Shiga toxins (Stx) that are released into the blood. Although, in most cases, the infection is self-limitedin young children and aged population, it may cause HUS...
January 3, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28058212/complement-related-kidney-diseases-recurrence-after-transplantation
#6
REVIEW
Maurizio Salvadori, Elisabetta Bertoni
The recurrence of renal disease after renal transplantation is becoming one of the main causes of graft loss after kidney transplantation. This principally concerns some of the original diseases as the atypical hemolytic uremic syndrome (HUS), the membranoproliferative glomerulonephritis (MPGN), in particular the MPGN now called C3 glomerulopathy. Both this groups of renal diseases are characterized by congenital (genetic) or acquired (auto-antibodies) modifications of the alternative pathway of complement...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28057514/systemic-effects-of-subtilase-cytotoxin-produced-by-escherichia-coli-o113-h21
#7
E Abril Seyahian, Gisela Oltra, Federico Ochoa, Santiago Melendi, Ricardo Hermes, James C Paton, Adrienne W Paton, Nestor Lago, Mauricio Castro Parodi, Alicia Damiano, Cristina Ibarra, Elsa Zotta
: Subtilase cytotoxin (SubAB) is a member of the AB5 cytotoxin family and is produced by certain strains of Shiga toxigenic Escherichia coli. The toxin is known to be lethal to mice, but the pathological mechanisms that contribute to Uremic Hemolytic Syndrome (HUS) are poorly understood. In this study we show that intraperitoneal injection of a sublethal dose of SubAB in rats triggers a systemic response, with ascitic fluid accumulation, heart hypertrophy and damage to the liver, colon and kidney...
January 2, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28047924/tu-fg-brb-01-dual-energy-ct-proton-stopping-power-ratio-calibration-and-validation-with-animal-tissues
#8
Y Xie, L Yin, C Ainsley, J McDonough, T Solberg, A Lin, B Teo
PURPOSE: The conversion of Hounsfield Unit (HU) to proton stopping power ratio (SPR) is a main source of uncertainty in proton therapy. In this study, the SPRs of animal tissues were measured and compared with prediction from dual energy CT (DECT) and single energy CT (SECT) calibrations. METHODS: A stoichiometric calibration method for DECT was applied to predict the SPR using CT images acquired at 80 kVp and 140 kVp. The dual energy index was derived based on the HUs of the paired spectral images and used to calculate the SPRs of the materials...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047457/su-f-i-45-an-automated-technique-to-measure-image-contrast-in-clinical-ct-images
#9
J Sanders, E Abadi, B Meng, E Samei
PURPOSE: To develop and validate an automated technique for measuring image contrast in chest computed tomography (CT) exams. METHODS: An automated computer algorithm was developed to measure the distribution of Hounsfield units (HUs) inside four major organs: the lungs, liver, aorta, and bones. These organs were first segmented or identified using computer vision and image processing techniques. Regions of interest (ROIs) were automatically placed inside the lungs, liver, and aorta and histograms of the HUs inside the ROIs were constructed...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047208/su-f-t-398-improving-radiotherapy-treatment-planning-using-dual-energy-computed-tomography-based-tissue-characterization
#10
N Tomic, H Bekerat, J Seuntjens, R Forghani, F DeBlois, S Devic
PURPOSE: Both kVp settings and geometric distribution of various materials lead to significant change of the HU values, showing the largest discrepancy for high-Z materials and for the lowest CT scanning kVp setting. On the other hand, the dose distributions around low-energy brachytherapy sources are highly dependent on the architecture and composition of tissue heterogeneities in and around the implant. Both measurements and Monte Carlo calculations show that improper tissue characterization may lead to calculated dose errors of 90% for low energy and around 10% for higher energy photons...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046990/su-d-202-03-statistical-segmentation-on-quantitative-ct-for-assessing-spatial-tumor-response-during-radiation-therapy-delivery
#11
D Schott, T Schmidt, X Chen, S Klawikowski, G Noid, E Dalah, X Li
PURPOSE: Develop a method to segment regions of interest (ROIs) in tumor with statistically similar Hounsfield unit (HU) values and/or HU changes during chemoradiation therapy (CRT) delivery, to assess spatial tumor treatment response based on daily CTs during CRT delivery. METHODS: Generate a three region map of ROIs with differential HUs, by sampling neighboring voxels around a selected voxel and comparing to the mean of the entire ROI using a t-test. The cumulative distribution function, P, is calculated from the t-test...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28042026/dexamethasone-prevents-motor-deficits-and-neurovascular-damage-produced-by-shiga-toxin-2-and-lipopolysaccharide-in-the-mouse-striatum
#12
Alipio Pinto, Adriana Cangelosi, Patricia A Geoghegan, Jorge Goldstein
Shiga toxin 2 (Stx2) from enterohemorrhagic Escherichia coli (EHEC) causes bloody diarrhea and Hemolytic Uremic Syndrome (HUS) that may derive to fatal neurological outcomes. Neurological abnormalities in the striatum are frequently observed in affected patients and in studies with animal models while motor disorders are usually associated with pyramidal and extra pyramidal systems. A translational murine model of encephalopathy was employed to demonstrate that systemic administration of a sublethal dose of Stx2 damaged the striatal microvasculature and astrocytes, increase the blood brain barrier permeability and caused neuronal degeneration...
December 30, 2016: Neuroscience
https://www.readbyqxmd.com/read/28035470/the-clinical-and-laboratory-features-of-chinese-han-anti-factor-h-autoantibody-associated-hemolytic-uremic-syndrome
#13
Di Song, Xiao-Rong Liu, Zhi Chen, Hui-Jie Xiao, Jie Ding, Shu-Zhen Sun, Hong-Yan Liu, Wei-Yi Guo, Su-Xia Wang, Feng Yu, Ming-Hui Zhao
BACKGROUND: Anti-complement factor H (CFH) autoantibody-associated hemolytic uremic syndrome (HUS) is a severe sub-type of HUS. METHODS: We assessed the clinical and renal pathological features, circulating complement levels, and genetic background of Chinese pediatric patients with this sub-type of HUS. Thirty-three consecutive patients with acute kidney injury who tested positive for serum anti-CFH autoantibodies were enrolled in this study. RESULTS: All of the eight patients who underwent renal biopsies presented with changes typical of thrombotic microangiopathy, especially changes in chronic characteristics...
December 29, 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28012007/long-term-health-related-quality-of-life-and-psychological-adjustment-in-children-after-haemolytic-uraemic-syndrome
#14
Helene Werner, Kathrin Buder, Markus A Landolt, Thomas J Neuhaus, Guido F Laube, Giuseppina Spartà
BACKGROUND: In children after haemolytic-uraemic syndrome (HUS), little is known about long-term health-related quality of life (HRQoL) and psychological adjustment as defined by behavioural problems, depressive symptoms and post-traumatic stress symptoms. METHODS: Sixty-two paediatric patients with a history of HUS were included in this study. Medical data of the acute HUS episode were retrieved retrospectively from hospital records. Data on the clinical course at study investigation were assessed by clinical examination and laboratory evaluation...
December 23, 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/27991739/paediatric-hus-cases-related-to-the-consumption-of-raw-milk-sold-by-vending-machines-in-italy-quantitative-risk-assessment-based-on-escherichia-coli-o157-official-controls-over-7%C3%A2-years
#15
F Giacometti, P Bonilauri, S Piva, G Scavia, S Amatiste, D M Bianchi, M N Losio, S Bilei, G Cascone, D Comin, P Daminelli, L Decastelli, G Merialdi, R Mioni, A Peli, A Petruzzelli, F Tonucci, G Liuzzo, A Serraino
A quantitative risk assessment (RA) was developed to estimate haemolytic-uremic syndrome (HUS) cases in paediatric population associated with the consumption of raw milk sold in vending machines in Italy. The historical national evolution of raw milk consumption phenomenon since 2008, when consumer interest started to grow, and after 7 years of marketing adjustment, is outlined. Exposure assessment was based on the official Shiga toxin-producing Escherichia coli O157:H7 (STEC) microbiological records of raw milk samples from vending machines monitored by the regional Veterinary Authorities from 2008 to 2014, microbial growth during storage, consumption frequency of raw milk, serving size, consumption preference and age of consumers...
December 19, 2016: Zoonoses and Public Health
https://www.readbyqxmd.com/read/27991453/low-dose-lung-cancer-screening-with-photon-counting-ct-a-feasibility-study
#16
Rolf Symons, Tyler E Cork, Pooyan Sahbaee, Matthew K Fuld, Steffen Kappler, Les R Folio, David A Bluemke, Amir Pourmorteza
To evaluate the feasibility of using a whole-body photon-counting detector (PCD) CT scanner for low-dose lung cancer screening compared to a conventional energy integrating detector (EID) system. Radiation dose-matched EID and PCD scans of the COPDGene 2 phantom were acquired at different radiation dose levels (CTDIvol: 3.0, 1.5, and 0.75 mGy) and different tube voltages (120, 100, and 80 kVp). EID and PCD images were compared for quantitative Hounsfield unit (HU) accuracy, noise levels, and contrast-to-noise ratios (CNR) for detection of ground-glass nodules (GGN) and emphysema...
January 7, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27984685/-prevalence-and-frequency-of-factors-associated-with-infection-in-patients-older-than-18-years-with-closed-fractures
#17
D F Rincón-Cardozo, N Sauza-Rodríguez, L C Padilla-Rueda, P A Rincón-Cardozo, C O Díaz-Mantilla, C A Abril-Gaona
INTRODUCTION: Surgical site infection (ISO) is the most common nosocomial infection and is a process associated with multiple factors, which together generate a condition that directly affects the welfare of the patient. MATERIAL AND METHODS: Cross-sectional study, conducted over 1 year period, the sample size was established for all patients who met the inclusion criteria. An instrument takes the variables; double tabulation of patients is performed in Excel 2013 and data are analyzed in Stata version 11...
May 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/27983581/proteomic-analyses-of-agkistrodon-contortrix-contortrix-venom-using-2d-electrophoresis-and-ms-techniques
#18
Aleksandra Bocian, Małgorzata Urbanik, Konrad Hus, Andrzej Łyskowski, Vladimír Petrilla, Zuzana Andrejčáková, Monika Petrillová, Jaroslav Legáth
Snake venom is a complex mixture of proteins and peptides which in the Viperidae is mainly hemotoxic. The diversity of these components causes the venom to be an extremely interesting object of study. Discovered components can be used in search for new pharmaceuticals used primarily in the treatment of diseases of the cardiovascular system. In order to determine the protein composition of the southern copperhead venom, we have used high resolution two dimensional electrophoresis and MALDI ToF/ToF MS-based identification...
December 13, 2016: Toxins
https://www.readbyqxmd.com/read/27982687/angiotensinogen-and-interleukin-18-as-markers-of-chronic-kidney-damage-in-children-with-a-history-of-hemolytic-uremic-syndrome
#19
K Lipiec, P Adamczyk, E Świętochowska, K Ziora, M Szczepańska
Hemolytic uremic syndrome (HUS) is a type of thrombotic microangiopathy, in the course of which some patients may develop chronic kidney disease (CKD). It is clinically important to investigate the markers of a poor prognosis. The levels of angiotensinogen (AGT) and interleukin-18 (IL-18) in serum and urine were evaluated. Study was conducted in 29 children with a history of HUS. Serum and urine AGT concentration was significantly higher in children after HUS as compared to the control group. No differences depending on the type of HUS and gender were noted...
December 16, 2016: Physiological Research
https://www.readbyqxmd.com/read/27978506/a-minireview-on-the-in-vitro-and-in-vivo-experiments-with-anti-escherichia-coli-o157-h7-phages-as-potential-biocontrol-and-phage-therapy-agents
#20
REVIEW
Salehe Sabouri, Zargham Sepehrizadeh, Sahar Amirpour-Rostami, Mikael Skurnik
Phage therapy is an old method of combating bacterial pathogens that has recently been taken into consideration due to the alarming spread of antibiotic resistance. Escherichia coli O157:H7 is a foodborne pathogen that causes hemorrhagic colitis and life-threatening Hemolytic Uremic Syndrome (HUS). There are several studies on isolation of specific phages against E. coli O157:H7 and more than 60 specific phages have been published so far. Although in vitro experiments have been successful in elimination or reduction of E...
December 11, 2016: International Journal of Food Microbiology
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