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https://www.readbyqxmd.com/read/27915405/long-term-functional-outcomes-and-knee-alignment-of-computer-assisted-navigated-total-knee-arthroplasty
#1
V Sardana, J M Burzynski, M Khan, N Stone, B S Weening, P K Zalzal
INTRODUCTION: This retrospective study examined the relationship between the mechanical axis throughout a functional arc of motion and functional outcome scores in patients undergoing computer-assisted navigation-based total knee arthroplasty (CAN-TKA) at 6-year follow-up. MATERIALS AND METHODS: The Stryker eNact Precision Knee Navigation System was utilized to obtain pre- and postoperative alignment measurements throughout the functional arc of motion. Patients were contacted via telephone and asked to complete the Short Form-12 and Western Ontario and McMaster Universities, which have been demonstrated to be reliable, valid, and sensitive assessment tools in this patient population...
December 3, 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27915099/foliar-heavy-metal-uptake-toxicity-and-detoxification-in-plants-a-comparison-of-foliar-and-root-metal-uptake
#2
REVIEW
Muhammad Shahid, Camille Dumat, Sana Khalid, Eva Schreck, Tiantian Xiong, Nabeel Khan Niazi
Anthropologic activities have transformed global biogeochemical cycling of heavy metals by emitting considerable quantities of these metals into the atmosphere from diverse sources. In spite of substantial and progressive developments in industrial processes and techniques to reduce environmental emissions, atmospheric contamination by toxic heavy metals and associated ecological and health risks are still newsworthy. Atmospheric heavy metals may be absorbed via foliar organs of plants after wet or dry deposition of atmospheric fallouts on plant canopy...
November 24, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27915031/acid-ceramidase-deficiency-is-characterized-by-a-unique-plasma-cytokine-and-ceramide-profile-that-is-altered-by-therapy
#3
Shaalee Dworski, Ping Lu, Aneal Khan, Bruno Maranda, John J Mitchell, Rossella Parini, Maja Di Rocco, Boris Hugle, Makoto Yoshimitsu, Bo Magnusson, Balahan Makay, Nur Arslan, Norberto Guelbert, Karoline Ehlert, Andrea Jarisch, Janet Gardner-Medwin, Rawane Dagher, Maria Teresa Terreri, Charles Marques Lorenco, Lilianna Barillas-Arias, Pranoot Tanpaiboon, Alexander Solyom, James S Norris, Xingxuan He, Edward H Schuchman, Thierry Levade, Jeffrey A Medin
Acid Ceramidase Deficiency (Farber Disease, FD) is an ultra-rare Lysosomal Storage Disorder that is poorly understood and often misdiagnosed as Juvenile Idiopathic Arthritis (JIA). Hallmarks of FD are accumulation of ceramides, widespread macrophage infiltration, splenomegaly, and lymphocytosis. The cytokines involved in this abnormal hematopoietic state are unknown. There are dozens of ceramide species and derivatives, but the specific ones that accumulate in FD have not been investigated. We used a multiplex assay to analyze cytokines and mass spectrometry to analyze ceramides in plasma from patients and mice with FD, controls, Farber patients treated by hematopoietic stem cell transplantation (HSCT), JIA patients, and patients with Gaucher disease...
November 30, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27914971/once-weekly-ofatumumab-in-untreated-or-relapsed-waldenstr%C3%A3-m-s-macroglobulinaemia-an-open-label-single-arm-phase-2-study
#4
Richard R Furman, Herbert A Eradat, Christine G DiRienzo, Craig C Hofmeister, Suzanne R Hayman, John P Leonard, Morton Coleman, Ranjana Advani, Asher Chanan-Khan, Julie Switzky, Qiming M Liao, Damini Shah, Roxanne C Jewell, Steen Lisby, Thomas S Lin
BACKGROUND: The development of more effective and safer treatments, especially non-chemotherapeutics, is needed for patients with Waldenström's macroglobulinaemia. The aim of the study was to assess the safety and clinical activity of intravenous ofatumumab monotherapy for untreated and relapsed Waldenström's macroglobulinaemia. METHODS: We did a phase 2, open-label, single-arm study at six centres (hospitals and cancer clinics) in the USA. Patients aged at least 18 years who were diagnosed with untreated or relapsed Waldenström's macroglobulinaemia and required treatment, received up to three cycles of weekly ofatumumab for 5 weeks...
November 30, 2016: Lancet Haematology
https://www.readbyqxmd.com/read/27914961/expanding-the-clinical-and-genetic-spectrum-of-g6pd-deficiency-the-occurrence-of-bcgitis-and-novel-missense-mutation
#5
Taj Ali Khan, Humaira Mazhar, Mehboob Nawaz, Kalsoom Kalsoom, Muhammad Ishfaq, Huma Asif, Hazir Rahman, Muhammad Qasim, Farkhanda Naz, Mubashir Hussain, Baharullah Khattak, Waheed Ullah, Otavio Cabral-Marques, Jawad Butt, Asif Iqbal
Glucose-6-phosphate dehydrogenase (G6PD) is a key enzyme in the pentose phosphate pathway that ensures sufficient production of coenzyme nicotinamide adenine dinucleotide phosphate (NADPH) by catalyzing the reduction of NADP+ to NADPH. Noteworthy, the latter mediates the production of reactive oxygen species (ROS) by phagocytic cells such as neutrophils and monocytes. Therefore, patients with severe forms of G6PD deficiency may present impaired NADPH oxidase activity and become susceptible to recurrent infections...
November 30, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27914497/acute-management-of-stroke-patients-taking-non-vitamin-k-antagonist-oral-anticoagulants-addressing-real-world-anticoagulant-management-issues-in-stroke-aramis-registry-design-and-rationale
#6
Ying Xian, Adrian F Hernandez, Tina Harding, Gregg C Fonarow, Deepak L Bhatt, Robert E Suter, Yosef Khan, Lee H Schwamm, Eric D Peterson
BACKGROUND: Non-vitamin K antagonist oral anticoagulants (NOACs, dabigatran, rivaroxaban, apixaban, and edoxaban) have been increasingly used as alternatives to warfarin for stroke prophylaxis in patients with atrial fibrillation. Yet there is substantial lack of information on how patients on NOACs are currently treated when they have an acute ischemic stroke and the best strategies for treating intracerebral hemorrhage for those on chronic anticoagulation with warfarin or a NOAC. These are critical unmet needs for real world clinical decision making in these emergent patients...
December 2016: American Heart Journal
https://www.readbyqxmd.com/read/27913625/absence-of-mir-146a-in-podocytes-increases-risk-of-diabetic-glomerulopathy-via-upregulation-of-erbb4-and-notch-1
#7
Ha Won Lee, Samia Q Khan, Shehryar Khaliqdina, Mehmet M Altintas, Florian Grahammer, Jimmy L Zhao, Kwihey Koh, Nicholas J Tardi, Mohd Hafeez Faridi, Terese Geraghty, David J Cimbaluk, Katalin Susztak, Luis F Moita, David Baltimore, Pierre-Louis Tharaux, Tobias B Huber, Matthias Kretzler, Markus Bitzer, Jochen Reiser, Vineet Gupta
Podocyte injury is an early event in diabetic kidney disease and is a hallmark of glomerulopathy. MicroRNA-146a (miR-146a) is highly expressed in many cell types under homeostatic conditions, and plays an important anti-inflammatory role in myeloid cells. However, its role in podocytes is unclear. Here, we show that miR-146a expression levels decrease in the glomeruli of patients with type 2 diabetes (T2D), which correlates with increased albuminuria and glomerular damage. MiR-146a levels are also significantly reduced in the glomeruli of albuminuric BTBR ob/ob mice, indicating its significant role in maintaining podocyte health...
December 2, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27912187/holistic-risk-assessment-of-surface-water-contamination-due-to-pb-210-in-oil-produced-water-from-the-bakken-shale
#8
Luisa Torres, Om Prakash Yadav, Eakalak Khan
A holistic risk assessment of surface water (SW) contamination due to lead-210 (Pb-210) in oil produced water (PW) from the Bakken Shale in North Dakota (ND) was conducted. Pb-210 is a relatively long-lived radionuclide and very mobile in water. Because of limited data on Pb-210, a simulation model was developed to determine its concentration based on its parent radium-226 and historical total dissolved solids levels in PW. Scenarios where PW spills could reach SW were analyzed by applying the four steps of the risk assessment process...
November 29, 2016: Chemosphere
https://www.readbyqxmd.com/read/27912161/a-prospective-randomized-trial-of-tapered-cuff-endotracheal-tubes-with-intermittent-subglottic-suctioning-in-preventing-ventilator-associated-pneumonia-in-critically-ill-patients
#9
Ata Mahmoodpoor, Hadi Hamishehkar, Masoud Hamidi, Kamran Shadvar, Sarvin Sanaie, Samad Ej Golzari, Zahid Hussain Khan, Nader D Nader
BACKGROUND: Endotracheal tube placement is necessary for the control of the airway in patients who are mechanically ventilated. However, prolonged duration of endotracheal tube placement contributes to the development of ventilator-associated pneumonias (VAPs). The aim of this study was to evaluate whether subglottic suctioning using TaperGuard EVAC tubes was effective in decreasing the frequency of VAP. METHODS: A total of 276 mechanically ventilated patients for more than 72 hours were randomly assigned to group E (EVAC tube) and group C (conventional tube)...
November 14, 2016: Journal of Critical Care
https://www.readbyqxmd.com/read/27911103/tools-for-outcome-prediction-in-patients-with-community-acquired-pneumonia
#10
Faheem Khan, Mark B Owens, Marcos Restrepo, Pedro Povoa, Ignacio Martin-Loeches
Community-acquired pneumonia (CAP) is one of the most common causes of mortality world-wide. The mortality rate of patients with CAP is influenced by the severity of the disease, treatment failure and the requirement for hospitalization and/or intensive care unit (ICU) management, all of which may be predicted by biomarkers and clinical scoring systems. Areas Covered: We review the recent literature examining the efficacy of established and newly-developed clinical scores, biological and inflammatory markers such as C-Reactive protein (CRP), procalcitonin (PCT) and Interleukin-6 (IL-6), whether used alone or in conjunction with clinical severity scores to assess the severity of CAP, predict treatment failure, guide acute in-hospital or ICU admission and predict mortality...
December 2, 2016: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/27910732/binding-of-anti-cardiovascular-drug-to-serum-albumin-an-insight-in-the-light-of-spectroscopic-and-computational-approaches
#11
Tajalli Ilm Chandel, Gulam Rabbani, MohsinVahid Khan, Masihuz Zaman, Parvez Alam, Yasser Shahein, Rizwan Hasan Khan
Isoprenaline hydrochloride is a potential cardiovascular drug helps in the smooth functioning of the heart muscles. So, we have performed the binding study of ISO with BSA. This study was investigated by UV absorption, fluorescence, synchronous fluorescence, circular dichroism etc. The analysis of intrinsic fluorescence data showed the low binding affinity of ISO. The binding constant Kb was 2.8×103 M-1 and binding stoichiometry (n) was approximately one and the Gibb's free energy change at 310 K was determined to be -8...
December 2, 2016: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/27910566/hotspot-electron-temperature-from-x-ray-continuum-measurements-on-the-nif
#12
L C Jarrott, L R Benedetti, H Chen, N Izumi, S F Khan, T Ma, S R Nagel, O L Landen, A Pak, P K Patel, M Schneider, H A Scott
We report on measurements of the electron temperature in the hotspot of inertially confined, layered, spherical implosions on the National Ignition Facility using a differential filtering diagnostic. Measurements of the DT and DD ion temperatures using neutron time-of-flight detectors are complicated by the contribution of hot spot motion to the peak width, which produce an apparent temperature higher than the thermal temperature. The electron temperature is not sensitive to this non-thermal velocity and is thus a valuable input to interpreting the stagnated hot spot conditions...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910442/a-comparison-of-flat-fielding-techniques-for-x-ray-framing-cameras
#13
L R Benedetti, C Trosseille, J P Holder, K Piston, D Hargrove, D K Bradley, P Bell, J Raimbourg, M Prat, L A Pickworth, S F Khan
Gain can vary across the active area of an x-ray framing camera by a factor of 4 (or more!) due to the voltage loss and dispersion associated with pulse transmission in a microstripline-coated microchannel plate. In order to make quantitative measurements, it is consequently important to measure the gain variation ("flat field"). Moreover, because of electromagnetic cross talk, gain variation depends on specific operational parameters, and ideally a flat field would be obtained at all operating conditions. As part of a collaboration between Lawrence Livermore National Laboratory's National Ignition Facility and the Commissariat à l'Énergie Atomique, we have been able to evaluate the consistency of three different methods of measuring x-ray flat fields...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910429/automated-analysis-of-hot-spot-x-ray-images-at-the-national-ignition-facility
#14
S F Khan, N Izumi, S Glenn, R Tommasini, L R Benedetti, T Ma, A Pak, G A Kyrala, P Springer, D K Bradley, R P J Town
At the National Ignition Facility, the symmetry of the hot spot of imploding capsules is diagnosed by imaging the emitted x-rays using gated cameras and image plates. The symmetry of an implosion is an important factor in the yield generated from the resulting fusion process. The x-ray images are analyzed by decomposing the image intensity contours into Fourier and Legendre modes. This paper focuses on the additional protocols for the time-integrated shape analysis from image plates. For implosions with temperatures above ∼4 keV, the hard x-ray background can be utilized to infer the temperature of the hot spot...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910406/comparison-of-implosion-core-metrics-a-10-ps-dilation-x-ray-imager-vs-a-100-ps-gated-microchannel-plate
#15
S R Nagel, L R Benedetti, D K Bradley, T J Hilsabeck, N Izumi, S Khan, G A Kyrala, T Ma, A Pak
The dilation x-ray imager (DIXI) [T. J. Hilsabeck et al., Rev. Sci. Instrum. 81, 10E317 (2010); S. R. Nagel et al., ibid. 83, 10E116 (2012); S. R. Nagel et al., ibid. 85, 11E504 (2014)] is a high-speed x-ray framing camera that uses the pulse-dilation technique to achieve a temporal resolution of less than 10 ps. This is a 10 × improvement over conventional framing cameras currently employed on the National Ignition Facility (NIF) (100 ps resolution), and otherwise only achievable with 1D streaked imaging...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910341/development-of-a-krypton-doped-gas-symmetry-capsule-platform-for-x-ray-spectroscopy-of-implosion-cores-on-the-nif
#16
T Ma, H Chen, P K Patel, M B Schneider, M A Barrios, D T Casey, H-K Chung, B A Hammel, L F Berzak Hopkins, L C Jarrott, S F Khan, B Lahmann, R Nora, M J Rosenberg, A Pak, S P Regan, H A Scott, H Sio, B K Spears, C R Weber
The electron temperature at stagnation of an ICF implosion can be measured from the emission spectrum of high-energy x-rays that pass through the cold material surrounding the hot stagnating core. Here we describe a platform developed on the National Ignition Facility where trace levels of a mid-Z dopant (krypton) are added to the fuel gas of a symcap (symmetry surrogate) implosion to allow for the use of x-ray spectroscopy of the krypton line emission.
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910247/auditory-processing-in-noise-is-associated-with-complex-patterns-of-disrupted-functional-connectivity-in-autism-spectrum-disorder
#17
Fahimeh Mamashli, Sheraz Khan, Hari Bharadwaj, Konstantinos Michmizos, Santosh Ganesan, Keri-Lee A Garel, Javeria Ali Hashmi, Martha R Herbert, Matti Hämäläinen, Tal Kenet
Autism spectrum disorder (ASD) is associated with difficulty in processing speech in a noisy background, but the neural mechanisms that underlie this deficit have not been mapped. To address this question, we used magnetoencephalography to compare the cortical responses between ASD and typically developing (TD) individuals to a passive mismatch paradigm. We repeated the paradigm twice, once in a quiet background, and once in the presence of background noise. We focused on both the evoked mismatch field (MMF) response in temporal and frontal cortical locations, and functional connectivity with spectral specificity between those locations...
December 2, 2016: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/27909928/erratum-to-cost-effective-enhanced-iron-bioavailability-in-rice-grain-grown-on-calcareous-soil-by-sulfur-mediation-and-its-effect-on-heavy-metals-mineralization
#18
Pia Muhammad Adnan Ramzani, Muhammad Khalid, Shazia Anjum, Waqas-Ud-Din Khan, Shafaqat Ali, Fakhir Hannan, Muhammad Iqbal
No abstract text is available yet for this article.
December 2, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27909778/it-is-all-about-the-solvent-on-the-importance-of-the-mobile-phase-for-zic-hilic-glycopeptide-enrichment
#19
Kathirvel Alagesan, Sana Khan Khilji, Daniel Kolarich
Glycopeptide enrichment is a crucial step in glycoproteomics for which hydrophilic interaction chromatography (HILIC) has extensively been applied due to its low bias towards different glycan types. A systematic evaluation of applicable HILIC mobile phases on glycopeptide enrichment efficiency and selectivity is, to date, however, still lacking. Here, we present a novel, simplified technique for HILIC enrichment termed "Drop-HILIC", which was applied to systematically evaluate the mobile phase effect on ZIC-HILIC (zwitterionic type of hydrophilic interaction chromatography) glycopeptide enrichment...
December 1, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27909642/seasonal-variations-and-trends-in-hospitalization-for-peptic-ulcer-disease-in-the-united-states-a-12-year-analysis-of-the-nationwide-inpatient-sample
#20
Ritesh Kanotra, Moiz Ahmed, Nileshkumar Patel, Badal Thakkar, Shantanu Solanki, Sarah Tareen, Matthew J Fasullo, Mayurathan Kesavan, Nikhil Nalluri, Ahsan Khan, Dhaval Pau, Liliane Deeb, Jeffrey Abergel, Ananya Das
BACKGROUND: Peptic ulcer disease (PUD) is a major public health burden significantly impacting the cost of hospitalization in the United States (US). We examined the trends, characteristics, complications, cost, and seasonality of PUD-related hospitalizations from 2000 to 2011. METHODS: With the use of the Nationwide Inpatient Sample from 2000 through 2011, we identified PUD-related hospitalizations using the International Classification of Diseases (ICD-9), 9th Revision, and the Clinical Modification code 531...
October 30, 2016: Curēus
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