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High cut off membrane

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https://www.readbyqxmd.com/read/29340038/diagnostic-performance-of-68gallium-psma-11-pet-ct-to-detect-significant-prostate-cancer-and-comparison-with-18fec-pet-ct
#1
Manuela A Hoffmann, Matthias Miederer, Helmut J Wieler, Christian Ruf, Frank M Jakobs, Mathias Schreckenberger
Background: Radiolabeled prostate-specific membrane antigen (PSMA) has proven to be a highly accurate method to detect recurrence and metastases of prostate cancer, but only sparse data is available about its performance in the diagnosis of clinically significant primary prostate cancer. Methods: We compared 68Ga-PSMA-11 PET/CT in 25 patients with 18FEC PET/CT in 40 patients with suspected prostate carcinoma based on an increased PSA level.The PET/CT results were compared with the histopathologic Gleason Score (GS) of biopsies...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29338117/nestin-expression-in-primary-and-metastatic-uveal-melanoma-possible-biomarker-for-high-risk-uveal-melanoma
#2
Luna Djirackor, Dilem Shakir, Helen Kalirai, Goran Petrovski, Sarah E Coupland
PURPOSE: Nestin, a member of the intermediate filament protein family, has been described as a putative cancer stem cell marker (CSC) in uveal melanoma and poor prognostic factor in a variety of tumours, including cutaneous melanoma. In this study, we examined the expression of nestin in primary (PUM) and metastatic uveal melanoma (MUM) samples, and correlated the findings with histological, clinical and survival data. METHODS: Nestin expression was assessed by immunohistochemistry in 141 PUM and 26 MUM samples; 11 PUM cases were matched with their corresponding metastases...
January 16, 2018: Acta Ophthalmologica
https://www.readbyqxmd.com/read/29304774/assessment-of-the-association-between-increasing-membrane-pore-size-and-endotoxin-permeability-using-a-novel-experimental-dialysis-simulation-set-up
#3
Eva Schepers, Griet Glorieux, Sunny Eloot, Michael Hulko, Adriana Boschetti-de-Fierro, Werner Beck, Bernd Krause, Wim Van Biesen
BACKGROUND: Membranes with increasing pore size are introduced to enhance removal of large uremic toxins with regular hemodialysis. These membranes might theoretically have higher permeability for bacterial degradation products. In this paper, permeability for bacterial degradation products of membranes of comparable composition with different pore size was investigated with a new in vitro set-up that represents clinical flow and pressure conditions. METHODS: Dialysis was simulated with an AK200 machine using a low-flux, high-flux, medium cut-off (MCO) or high cut-off (HCO) device (n = 6/type)...
January 5, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29295662/use-of-beta-subunit-of-human-chorionic-gonadotropin-assay-as-a-diagnostic-tool-for-prelabour-rupture-of-membranes
#4
Ashraf Eldaly, Eman Omran, Mohamed A Youssef, Ahmed Abdallah, Ahmed Metwally, Hisham Haggag, Rasha Elkaffas
PURPOSE: The study aimed at assessment of the accuracy of β-hCG test in vaginal washing fluid for diagnosis of prelabour rupture of membranes (PROM). PATIENTS AND METHODS: Two groups of pregnant women from 17 to 38 weeks of gestation were recruited. The first group (PROM group) included 50 pregnant women with unequivocal PROM. The other group included 50 pregnant women with intact membranes. Sterile speculum examination was performed. If less than 5 cc was collected or no fluid found, 10 cc sterile saline was sprinkled on the vaginal wall and 5 cc were recollected in a sterile syringe...
January 2, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29238603/early-proteinuria-response-a-valid-real-life-situation-predictor-of-long-term-lupus-renal-outcome-in-an-ethnically-diverse-group-with-severe-biopsy-proven-nephritis
#5
Michelle R Ugolini-Lopes, Luciana Parente C Seguro, Maitê Xavier F Castro, Danielle Daffre, Alex C Lopes, Eduardo F Borba, Eloisa Bonfá
Objective: Two recent important lupus nephritis trials reported that proteinuria was a good predictor of renal outcome in Caucasians, but data on real-life situation, other races and severe nephritis are lacking to substantiate this finding as a simple test to guide clinical practice. The aim of this study was to validate proteinuria as a predictor of long-term renal outcome in real-life situation in a racially diverse group of patients with severe nephritis. Methods: Proteinuria, serum creatinine (SCr) and urine red blood cells were assessed at baseline and after 3, 6 and 12 months, as early predictors of long-term renal outcome (SCr <1...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29216944/-prognostic-value-of-oxygen-challenge-test-for-patients-with-cardiogenic-shock-receiving-extracorporeal-membrane-oxygenation
#6
Liang Dong, Xiuhong Zhang, Fengming Liang, Xuan Yu, Ting Yang, Lang Li
OBJECTIVE: To investigate the prognostic value of oxygen challenge test (OCT) for patients with cardiogenic shock receiving extracorporeal membrane oxygenation (ECMO). METHODS: A retrospective analysis was conducted. Seventy-eight patients diagnosed with cardiogenic shock receiving veno-arterial (V-A) ECMO admitted to Department of intensive care unit (ICU) of Wuxi People's Hospital Affiliated to Nanjing Medical University from June 2012 to May 2017 were enrolled...
December 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29197818/application-of-volume-retarded-osmosis-and-low-pressure-membrane-hybrid-process-for-water-reclamation
#7
Sung-Ju Im, Jungwon Choi, Jung-Gil Lee, Sanghyun Jeong, Am Jang
A new concept of volume-retarded osmosis and low-pressure membrane (VRO-LPM) hybrid process was developed and evaluated for the first time in this study. Commercially available forward osmosis (FO) and ultrafiltration (UF) membranes were employed in a VRO-LPM hybrid process to overcome energy limitations of draw solution (DS) regeneration and production of permeate in the FO process. To evaluate its feasibility as a water reclamation process, and to optimize the operational conditions, cross-flow FO and dead-end mode UF processes were individually evaluated...
November 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/29182326/phase-inversion-directly-induced-tight-ultrafiltration-uf-hollow-fiber-membranes-for-effective-removal-of-textile-dyes
#8
Gang Han, Yingnan Feng, Tai-Shung Chung, Martin Weber, Christian Maletzko
This study has demonstrated the application of tight ultrafiltration (UF) membranes for effective removal of textile dyes from water at a low pressure. Novel UF hollow fiber membranes with well-defined nanopores and surface charges were developed via a single-step spinning process without any post-treatment. The newly developed tight UF hollow fibers not only possess a small mean pore diameter of 1.0-1.3 nm with a molecular weight cut-off (MWCO) of 1000-2000 Da but also have a high pure water permeability (PWP) of 82...
November 28, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29178124/high-cut-off-membranes-in-acute-kidney-injury-and-continuous-renal-replacement-therapy
#9
Zaccaria Ricci, Stefano Romagnoli, Claudio Ronco
Innovation in continuous renal replacement therapies (CRRT) utilized to treat acute kidney injury (AKI) and sepsis, has brought new machines and techniques. Part of these new advances are due to the availability of innovative biomaterials and the construction of membranes with larger pores and wide distribution of pore sizes. This includes the creation of a new generation of high cut-off membranes whose utilization in clinical practice is promising for the wide spectrum of solutes that are removed during extracorporeal therapies...
November 24, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/29175617/bioaccessibility-of-pbdes-present-in-indoor-dust-a-novel-dialysis-membrane-method-with-a-tenax-ta%C3%A2-absorption-sink
#10
Katerina Kademoglou, Adrian C Williams, Chris D Collins
Human uptake of flame retardants (FRs) such as polybrominated diphenyl ethers (PBDEs) via indoor dust ingestion is commonly considered as 100% bioaccessible, leading to potential risk overestimation. Here, we present a novel in vitro colon-extended physiologically-based extraction test (CE-PBET) with Tenax TA® as an absorptive "sink" capable to enhance PBDE gut bioaccessibility. A cellulose-based dialysis membrane (MW cut-off 3.5kDa) with high pH and temperature tolerance was used to encapsulate Tenax TA®, facilitating efficient physical separation between the absorbent and the dust, while minimizing re-absorption of the ingested PBDEs to the dust particles...
November 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29153041/association-of-procalcitonin-values-and-bacterial-infections-in-pediatric-patients-receiving-extracorporeal-membrane-oxygenation
#11
Vi Ean Tan, Wayne S Moore, Arun Chopra, Jeffrey J Cies
OBJECTIVE: There is increasing data in pediatrics demonstrating procalcitonin (PCT) is more sensitive and specific than other biomarkers in the setting of bacterial infections. However, the use of PCT in neonatal and pediatric extracorporeal membrane oxygenation (ECMO) is not well described. Therefore, the purpose of this study was to describe the clinical utility of PCT in determining the absence or presence of bacterial infections in neonatal and pediatric patients on ECMO. METHODS: This was a retrospective electronic medical record (EMR) review of data between January 1, 2010 to June 30, 2016 at a single, free-standing, children 's hospital...
November 1, 2017: Perfusion
https://www.readbyqxmd.com/read/29136724/-expert-consensus-for-the-diagnosis-and-treatment-of-patients-with-renal-impairment-of-multiple-myeloma
#12
(no author information available yet)
Renal impairment (RI) is a common complication of multiple myeloma (MM), which is presented as chronic kidney disease (CKD) or acute kidney injury (AKI). The typical pathological feature is cast nephropathy. Presently international system staging (ISS) is used in evaluating MM. Although the classic Durie-Salmon staging system could be still used in clinical practice, it may miss out some patients with renal impairment. For evaluations of RI in MM patients with CKD, it's recommended to assess the estimated glomerular filtration rate (eGFR) by creatinine based formula CKD-epidemiology collaboration (EPI) or modification of diet in renal disease(MDRD) and to stage the renal injuries according to 2013 Kidney Disease Improving Global Outcomes (KDIGO) CKD guidelines...
November 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29128957/expression-of-glut-1-in-malignant-melanoma-and-melanocytic-nevi-an-immunohistochemical-study-of-400-cases
#13
Miroslav Důra, Kristýna Němejcová, Radek Jakša, Michaela Bártů, Ondřej Kodet, Ivana Tichá, Romana Michálková, Pavel Dundr
The glucose transporter-1 (Glut-1) is a cell membrane glycoprotein involved in glucose uptake. An increased expression of Glut-1 is an important cell adaptation mechanism against hypoxia. An upregulation of Glut-1 can be found in several types of malignant tumors, which are able to reprogram their metabolism from oxidative phosphorylation to aerobic glycolysis (Warburg effect). However, the data regarding melanocytic lesions is equivocal. We performed comprehensive immunohistochemical analysis of the Glut-1 expression in 225 malignant melanomas (MM) and 175 benign nevi...
November 11, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29108919/egfr-immunohistochemistry-as-biomarker-for-antibody-based-therapy-of-squamous-nsclc-experience-from-the-first-ring-trial-of-the-german-quality-assurance-initiative-for-pathology-quip-%C3%A2
#14
Iver Petersen, Manfred Dietel, Wolf J Geilenkeuser, Masoud Mireskandari, Wilko Weichert, Katja Steiger, Andreas H Scheel, Reinhard Büttner, Peter Schirmacher, Arne Warth, Felix Lasitschka, Hans-Ulrich Schildhaus, Thomas Kirchner, Simone Reu, Hans Kreipe, Florian Länger, Markus Tiemann, Christoph Schulte, Korinna Jöhrens
BACKGROUND: EGFR and its downstream signaling pathway are important targets for cancer therapy. Recently, the monoclonal anti-EGFR antibody Necitumumab in combination with gemcitabine and cisplatin was approved (EMA/14106/2016) for first-line treatment of squamous non-small cell carcinoma (SqNSCLC). Eligibility was restricted to cases with positive EGFR expression. In this context, a ring trial of the Quality Assurance Initiative for Pathology (QuIP(®)) was launched to prepare the German pathology community for a reliable and reproducible, immunohistochemically based biomarker test...
September 28, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29098820/-analyze-nanofiltration-separation-rule-of-chlorogenic-acid-from-low-concentration-ethanol-by-donnan-effect-and-solution-diffusion-effect
#15
Cun-Yu Li, Li-Cheng Liu, Li-Yang Jin, Hong-Yang Li, Guo-Ping Peng
To separate chlorogenic acid from low concentration ethanol and explore the influence of Donnan effect and solution-diffusion effect on the nanofiltration separation rule. The experiment showed that solution pH and ethanol volume percent had influences on the separation of chlorogenic acid. Within the pH values from 3 to 7 for chlorogenic acid in 30% ethanol, the rejection rate of chlorogenic acid was changed by 70.27%. Through the response surface method for quadratic regression model, an interaction had been found in molecule weight cut-off, pH and ethanol volume percent...
July 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29090523/digital-microscopy-as-a-screening-tool-for-the-diagnosis-of-hereditary-hemolytic-anemia
#16
R Huisjes, W W van Solinge, M D Levin, R van Wijk, J A Riedl
INTRODUCTION: Evaluation of red blood cell (RBC) morphology is an important first step in the differential diagnosis of hereditary hemolytic anemia. It is, however, labor intensive, expensive, and prone to subjectivity. To improve and standardize the analysis of RBC morphology as a screening tool in the diagnosis of hereditary hemolytic anemia, we studied its automated analysis by digital microscopy (DM). METHODS: Blood from 90 patients with hereditary hemolytic anemia and 32 normal control subjects was analyzed by the CellaVision DM96 Digital Microscope...
November 1, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/29017155/effectiveness-of-ihd-with-adsorptive-pmma-membrane-in-myeloma-cast-nephropathy-a-cohort-study
#17
Florence Sens, Déborah Chaintreuil, Anne Jolivot, Fitsum Guebre-Egziabher, Philip Robinson, Lionel Karlin, Frank Bridoux, Laurent Juillard
BACKGROUND: In patients with cast nephropathy and acute kidney injury (AKI) requiring dialysis, the reduction of serum free light chains (FLC) using chemotherapy and intensive hemodialysis (IHD) with a high cut-off filter may improve renal and patient outcomes. We evaluated the effectiveness of a combination of chemotherapy and IHD with an adsorbent polymethylmethacrylate membrane (IHD-PMMA) on renal recovery and survival. METHODS: A single-center retrospective cohort-study was conducted...
October 10, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28992849/severe-myoglobinuric-acute-kidney-injury-in-a-kidney-recipient-rapid-recovery-after-hemodialysis-with-the-super-high-flux-membrane-theralite%C3%A2-%C3%A2
#18
Ahmed Goubella, Fabrice Gankam-Kengne, Thomas Baudoux, David Fagnoul, Cécile Husson, Marie-Luce Delforge, Nilufer Broeders, Joëlle L Nortier
Myoglobinuric acute kidney injury (AKI) is a severe condition requiring early therapeutic strategies. Early recognition and treatment are crucial to reduce morbidity and mortality rate. Here, we report a kidney recipient with severe rhabdomyolysis and AKI secondary to parvovirus B19 infection. Initiation of hemodialysis with the super high-flux filter Theralite<sup>®</sup> (Gambro, cut-off 45 kDa, 2.1 m<sup>2</sup>) resulted in the clearance of myoglobin from 61 to 71% after 3 hours...
December 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28992224/modulation-of-leucocytic-angiotensin-converting-enzymes-expression-in-patients-maintained-on-high-permeable-haemodialysis
#19
Bogusz Trojanowicz, Christof Ulrich, Roman Fiedler, Peter Martus, Markus Storr, Torsten Boehler, Kristin Werner, Michael Hulko, Daniel Zickler, Kevin Willy, Ralf Schindler, Matthias Girndt
Background: High mortality of haemodialysis patients is associated with systemic chronic inflammation and overactivation of the renin-angiotensin system (RAS). Insufficient elimination of pro-inflammatory immune mediators, especially in the molecular weight range of 15-45 kDa, may be one of the reasons for this. Employment of haemodialysis membranes with increased permeability was shown to ameliorate the inflammatory response and might modulate the effects of local RAS. In this study, we tested the impact of high cut-off (HCO), medium cut-off (MCO) and high-flux (HF) dialysis on leucocytic transcripts of angiotensin-converting enzymes (ACE and ACE2)...
July 19, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28980429/metabolic-characteristics-of-programmed-cell-death-ligand-1-expressing-lung-cancer-on-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography
#20
Kazuki Takada, Gouji Toyokawa, Tatsuro Okamoto, Shingo Baba, Yuka Kozuma, Taichi Matsubara, Naoki Haratake, Takaki Akamine, Shinkichi Takamori, Masakazu Katsura, Fumihiro Shoji, Hiroshi Honda, Yoshinao Oda, Yoshihiko Maehara
Programmed cell death-1 (PD-1) and programmed cell death-ligand 1 (PD-L1) have been identified as novel targets of immunotherapy of lung cancer. In present study, we evaluated the metabolic characteristics of lung cancer by using (18) F-fluorodeoxyglucose positron emission tomography/computed tomography ((18) F-FDG PET/CT) with regard to PD-L1 protein expression. PD-L1 protein expression was evaluated by immunohistochemistry with the antibody clone SP142 in 579 surgically resected primary lung cancer patients...
November 2017: Cancer Medicine
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