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https://www.readbyqxmd.com/read/29778073/non-selective-rapid-electro-oxidation-of-persistent-refractory-vocs-in-industrial-wastewater-using-a-highly-catalytic-and-dimensionally-stable-irpd-ti-composite-electrode
#1
Wan-Cheol Cho, Kyung-Min Poo, Hend Omar Mohamed, Tae-Nam Kim, Yul-Seong Kim, Moon Hyun Hwang, Do-Won Jung, Kyu-Jung Chae
Volatile organic compounds (VOCs) are highly toxic contaminants commonly dissolved in industrial wastewater. Therefore, treatment of VOC-containing wastewater requires a robust and rapid reaction because liquid VOCs can become volatile secondary pollutants. In this study, electro-oxidation with catalytic composite dimensionally stable anodes (DSAs)-a promising process for degrading organic pollutants-was applied to remove various VOCs (chloroform, benzene, toluene, and trichloroethylene). Excellent treatment efficiency of VOCs was demonstrated...
May 11, 2018: Chemosphere
https://www.readbyqxmd.com/read/29774598/evaluation-of-current-strategies-for-surveillance-and-management-of-donor-specific-antibodies-single-center-study
#2
Daniel Sullivan, Chul Ahn, Ang Gao, Chantale Lacelle, Fernando Torres, Srinivas Bollineni, Amit Banga, Jessica Mullins, Manish Mohanka, Steve Ring, Michael Wait, Matthias Peltz, Pavan Duddupudi, Dhiraj Surapaneni, Vaidehi Kaza
BACKGROUND: Although, presence of donor specific antibodies (DSA) is known to impact lung allograft, limited data exists regarding DSA management. METHODS: We did a retrospective study at our center evaluating DSA management in adult lung transplant recipients undergoing lung transplantation between January 1, 2010 and June 30, 2014. Study follow up was completed through October 2017. All recipients were stratified into two groups based on the presence or absence of DSA...
May 17, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29771445/tirofiban-combined-with-rt-pa-intraarterial-thrombolysis-improves-the-recanalization-rate-of-acute-middle-cerebral-artery-occlusion-in-rabbits
#3
Y-J Yu, W Xiong
OBJECTIVE: To investigate the curative effect of tirofiban combined with recombinant tissue-plasminogen activator (rt-PA) selective intra-arterial thrombolysis on acute middle cerebral artery occlusion (MCAO). MATERIALS AND METHODS: A total of 60 adult male Japanese white rabbits weighing 2.5-3.0 kg were selected, and the acute cerebral infarction model was established via autologous thromboembolism of middle cerebral artery. Rabbits were randomly divided into 4 groups: tirofiban group (Ti group, 5 μg/kg, n=15), rt-PA group (rt-PA group, 2 mg/kg, n=15), tirofiban + rt-PA group (Ti + rt-PA group, 3 μg/kg Ti + 1 mg/kg rt-PA, n=15), and control group (Co group, n=15)...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29767445/comparison-of-de-novo-igm-and-igg-anti-hla-dsa-between-belatacept-and-calcineurin-treated-patients-an-analysis-of-the-benefit-and-benefit-ext-trial-cohorts
#4
Matthew J Everly, Mustimbo Roberts, Robert Townsend, Robert A Bray, Howard M Gebel
Preventing conversion of donor-specific anti-HLA antibodies (DSA) from an IgM-to-IgG could a way to prevent chronic rejection. We evaluated whether belatacept-treated patients [belatacept less-intensive (LI) more-intensive (MI) regimens] have a lower rate of conversion than cyclosporine A (CsA) treated patients. We included 330 HLA mismatched patients from two phase-3 trials with either (a) complete donor/recipient HLA-A,-B,-DR, and -DQ loci typing or (b) incomplete HLA typing with IgG DSA detected pre- or post-transplant...
May 16, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29764034/-application-of-low-profile-visualized-intraluminal-support-lvis-stents-in-assisting-coil-embolization-of-intracranial-aneurysms
#5
D C Xu, J Li, Z Q Jiang
Objective: To evaluate the safety and effectiveness of application of LVIS stent-assisted coiling endovascular procedures in cerebral aneurysms . Methods: The clinical data of 41 patients with intracranial aneurysms , which were performed in LVIS stent-assisted coiling endovascular therapies from June 2015 to October 2017 in The First Affiliated Hospital of Bengbu Medical College were analyzed retrospectively. 13 patients were unruptured and 28 patients were ruptured. Immediate angiography outcomes and follow-up angiography outcomes were assessed by DSA...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29764028/-application-of-3d-virtual-reality-technology-with-multi-modality-fusion-in-resection-of-glioma-located-in-central-sulcus-region
#6
T N Chen, X T Yin, X G Li, J Zhao, L Wang, N Mu, K Ma, K Huo, D Liu, B Y Gao, H Feng, F Li
Objective: To explore the clinical and teaching application value of virtual reality technology in preoperative planning and intraoperative guide of glioma located in central sulcus region. Method: Ten patients with glioma in the central sulcus region were proposed to surgical treatment. The neuro-imaging data, including CT, CTA, DSA, MRI, fMRI were input to 3dgo sczhry workstation for image fusion and 3D reconstruction. Spatial relationships between the lesions and the surrounding structures on the virtual reality image were obtained...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29763951/dynamic-4d-ct-angiography-for-guiding-transarterial-chemoembolization-impact-on-the-reduction-of-contrast-material-operator-radiation-exposure-catheter-consumption-and-diagnostic-confidence
#7
Moritz H Albrecht, Thomas J Vogl, Julian L Wichmann, Simon S Martin, Jan-Erik Scholtz, Sebastian Fischer, Renate M Hammerstingl, Marc Harth, Nour-Eldin A Nour-Eldin, Axel Thalhammer, Stephan Zangos, Ralf W Bauer
PURPOSE:  This study was carried out to investigate the impact of abdominal dynamic four-dimensional CT angiography (4D-CTA) for guiding transarterial chemoembolization (TACE) on the amount of contrast material used, operator radiation exposure, catheter consumption, and diagnostic confidence. MATERIALS AND METHODS:  Written consent was waived for this IRB-approved retrospective study. 29 patients (20 men; mean age: 65.7 ± 11.5 years) with malignant liver lesions underwent 4D-CTA, prior to initial TACE...
June 2018: RöFo: Fortschritte Auf Dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
https://www.readbyqxmd.com/read/29763749/combined-surgical-and-endovascular-treatment-of-a-complex-posterior-communicating-artery-aneurysm-at-one-stage-in-a-hybrid-operating-room
#8
Can Xin, Zhengwei Li, Jianjian Zhang, Zhongwei Xiong, Xiaolin Wu, Shiyu Zhao, Mingjun Cai, Wenyuan Zhao, Jincao Chen
BACKGROUND: Although clipping and coiling of intracranial aneurysms are effective treatment options, they each have respective limitations. With the advent of hybrid operating room, combined clipping and coiling for complex aneurysms at one stage becomes feasible. In this article, we report a successful case of a left posterior communicating artery (PCoA) aneurysm where combined clipping and endovascular treatment were applied. CASE DESCRIPTION: A 57-year-old man had been complaining of severe headache for 10 days...
May 12, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29757907/t-follicular-regulatory-cells-and-antibody-responses-in-transplantation
#9
E F Wallin
De novo donor specific antibody (DSA) formation is a major problem in transplantation, and associated with long-term graft decline and loss as well as sensitisation, limiting future transplant options. Forming high-affinity, long-lived antibody responses involves a process called the germinal center (GC) reaction, and requires interaction between several cell types, including GC B cells, T follicular helper (Tfh) and T follicular regulatory (Tfr) cells. Tfr cells are an essential component of the GC reaction, limiting its size and reducing nonspecific or self-reactive responses...
May 1, 2018: Transplantation
https://www.readbyqxmd.com/read/29757900/detection-of-complement-binding-donor-specific-antibodies-not-igg-antibody-strength-nor-c4d-status-at-antibody-mediated-rejection-diagnosis-is-an-independent-predictor-of-kidney-graft-failure
#10
Jorge Malheiro, Sofia Santos, Sandra Tafulo, Leonídio Dias, La Salete Martins, Isabel Fonseca, Manuela Almeida, Sofia Pedroso, Idalina Beirão, António Castro-Henriques, António Cabrita
BACKGROUND: Antibody-mediated rejection (ABMR) remains associated with reduced kidney graft survival and no clear prognostic marker is available. METHODS: We investigated whether donor-specific antibodies (DSA) ability to bind C1q in comparison with ABMR C4d status, both indirect signs of complement activation, improve risk stratification at time of ABMR. Hence, among 467 patients in whom ≥1 graft biopsy was performed between 2008 and 2015, we included 56 with ABMR according to Banff'15 criteria...
May 3, 2018: Transplantation
https://www.readbyqxmd.com/read/29755829/cobalt-doped-black-tio-2-nanotube-array-as-a-stable-anode-for-oxygen-evolution-and-electrochemical-wastewater-treatment
#11
Yang Yang, Li Cheng Kao, Yuanyue Liu, Ke Sun, Hongtao Yu, Jinghua Guo, Sofia Ya Hsuan Liou, Michael R Hoffmann
TiO2 has long been recognized as a stable and reusable photocatalyst for water splitting and pollution control. However, it is an inefficient anode material in the absence of photoactivation due to its low electron conductivity. To overcome this limitation, a series of conductive TiO2 nanotube array electrodes have been developed. Even though nanotube arrays are effective for electrochemical oxidation initially, deactivation is often observed within a few hours. To overcome the problem of deactivation, we have synthesized cobalt-doped Black-TiO2 nanotube array (Co-Black NTA) electrodes that are stable for more than 200 h of continuous operation in a NaClO4 electrolyte at 10 mA cm-2 ...
May 4, 2018: ACS Catalysis
https://www.readbyqxmd.com/read/29754963/predictors-of-a-drainable-suppurative-adenitis-among-children-presenting-with-cervical-adenopathy
#12
Amir A Kimia, Tiffany F Rudloe, Nadine Aprahamian, Jennifer McNamara, David Roberson, Assaf Landschaft, Jennifer Vaughn, Marvin B Harper
OBJECTIVES: We sought to identify predictors for a drainable suppurative adenitis [DSA] among patients presenting with acute cervical lymphadenitis. METHODS: A retrospective cross sectional study of all patients admitted to an urban pediatric tertiary care emergency department over a 15 year period. Otherwise healthy patients who underwent imaging for an evaluation of cervical lymphadenitis were included. Cases were identified using a text-search module followed by manual review...
May 5, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29754418/comprehensive-outcomes-after-lung-retransplantation-a-single-center-review
#13
Kieran Halloran, Meghan Aversa, Kathryn Tinckam, Tereza Martinu, Matthew Binnie, Cecilia Chaparro, Chung-Wai Chow, Tom Waddell, Karen McRae, Andrew Pierre, Marc de Perrot, Kazuhiro Yasufuku, Marcelo Cypel, Shaf Keshavjee, Lianne G Singer
INTRODUCTION: Lung retransplantation is an important therapy for a growing population of lung transplant recipients with graft failure, but detailed outcome data are lacking. METHODS: We conducted a retrospective cohort study of adult lung retransplant in the Toronto Lung Transplant Program from 2001 to 2013 (n=38). We analyzed the post-operative course, graft function, renal function, microbiology, donor specific antibodies (DSA), quality of life and survival compared to a control cohort of primary transplant recipients matched for age and era...
May 13, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29754068/contrast-enhanced-magnetic-resonance-venography-in-the-follow-up-evaluation-of-idiopathic-intracranial-hypertension-patients-with-cerebral-venous-sinus-stenting
#14
Srikanth R Boddu, Pierre Gobin, Cristiano Oliveira, Marc Dinkin, Athos Patsalides
PURPOSE: Role of contrast-enhanced magnetic resonance venography (CE-MRV) in the follow-up of venous sinus stenting (VSS) among the idiopathic intracranial hypertension (IIH) patients. MATERIALS AND METHODS: Prospective evaluation of VSS patients with CE-MRV, DRCV and DSA for follow-up of clinically suspected recurrent stenosis. CE-MRV was evaluated against DRCV and DSA. RESULTS: Ten patients with twelve episodes of recurrent symptoms. Sensitivity, specificity, PPV, NPV and accuracy of the CE-MRV for the detection of recurrent stenosis were: 100%, 33...
May 1, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/29753782/accounting-for-optical-errors-in-microtensiometry
#15
Zachary R Hinton, Nicolas J Alvarez
HYPOTHESIS: Drop shape analysis (DSA) techniques measure interfacial tension subject to error in image analysis and the optical system. While considerable efforts have been made to minimize image analysis errors, very little work has treated optical errors. There are two main sources of error when considering the optical system: the angle of misalignment and the choice of focal plane. Due to the convoluted nature of these sources, small angles of misalignment can lead to large errors in measured curvature...
April 27, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29751186/delayed-establishment-of-collateral-circulation-from-the-posterior-meningeal-artery-after-proximal-occlusion-of-the-posterior-inferior-cerebellar-artery-case-report-and-literature-review
#16
Kun Hou, Yunbao Guo, Baofeng Xu, Kan Xu, Jinlu Yu
BACKGROUND: Dissecting aneurysm on the posterior inferior cerebellar artery (PICA) is a very rare entity, endovascular embolization is often adopted. During procedure, if the parent artery is occluded, the distal PICA is usually supplied by the ipsilateral anterior inferior artery or the contralateral PICA. In extremely rare circumstances, the distal PICA can establish collateral circulation by transdural anastomosis with the posterior meningeal artery (PMA). CASE DESCRIPTION: A 29-year-old woman was admitted complaining of thunderclap headache, nausea, and vomiting for 3 hours...
May 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29750676/human-leukocyte-antigen-matching-in-organ-transplantation-what-we-know-and-how-can-we-make-it-better-revisiting-the-past-improving-the-future
#17
Anat R Tambur
PURPOSE OF REVIEW: A renaissance for human leukocyte antigen (HLA) testing emerged with the understanding that donor-specific HLA antibodies play a significant role in long-term allograft survival. This renewed focus on donor/recipient histocompatibility led to a recent quest to decipher antibody responses or, as introduced into the transplantation lexicon, 'HLA-epitope matching'. RECENT FINDINGS: Whether matching is at the antigen or the epitope level, in-depth understanding of how histo-incompatibility leads to activation of an immune response is required...
May 9, 2018: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/29742722/arterial-spin-labeling-mr-imaging-aids-to-identify-cortical-venous-drainage-of-dural-arteriovenous-fistulas
#18
Ji Hee Kang, Tae Jin Yun, Jong Kook Rhim, Young Dae Cho, Dong Hyun Yoo, Roh-Eul Yoo, Koung Mi Kang, Seung Hong Choi, Ji-Hoon Kim, Chul-Ho Sohn, Moon Hee Han
Cortical venous drainage (CVD) increases the probability of intracranial hemorrhage and mortality rate of dural arteriovenous fistulas (DAVF). Although digital subtraction angiography (DSA) is the most accurate method to determine CVD in DAVFs, this modality has limitations due to its invasive nature and radiation issues. The purpose of this study was to evaluate the diagnostic utility of arterial spin-labeling perfusion-weighted images (ASL-PWI) to identify CVD in patients with DAVF.The Institutional Review Board of our hospital approved this retrospective study...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29737389/4d-asl-based-mr-angiography-for-visualization-of-distal-arteries-and-leptomeningeal-collateral-vessels-in-moyamoya-disease-a-comparison-of-techniques
#19
Osamu Togao, Akio Hiwatashi, Makoto Obara, Koji Yamashita, Daichi Momosaka, Ataru Nishimura, Koichi Arimura, Nobuhiro Hata, Koji Yoshimoto, Koji Iihara, Marc Van Cauteren, Hiroshi Honda
OBJECTIVES: To evaluate the performance of four-dimensional pseudo-continuous arterial spin labeling (4D-pCASL)-based angiography using CENTRA-keyhole and view sharing (4D-PACK) in the visualization of flow dynamics in distal cerebral arteries and leptomeningeal anastomosis (LMA) collaterals in moyamoya disease in comparison with contrast inherent inflow-enhanced multiphase angiography (CINEMA), with reference to digital subtraction angiography (DSA). METHODS: Thirty-two cerebral hemispheres from 19 patients with moyamoya disease (mean age, 29...
May 8, 2018: European Radiology
https://www.readbyqxmd.com/read/29736424/value-of-double-track-sign-in-differentiating-primary-from-thrombosed-transverse-sinus-stenosis-in-patients-presumed-to-have-idiopathic-intracranial-hypertension
#20
Nasser M Aldossary
Background: Idiopathic intracranial hypertension (IIH) is primarily a disorder of young obese women of unknown etiology. The clinical presentation of IIH is similar to that of sinus thrombosis. The incidence of transverse sinus stenosis (TSS) reaches up to 90% of patients with IIH compared with normal subjects, and venous sinus thrombosis was reported in 11.4% of patients previously diagnosed as having IIH. Patients with thrombosis showed an abnormal region of double- track pattern on gadolinium (Gd) - enhanced T1WI within the dural sinus...
March 2018: ENeurologicalSci
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