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https://www.readbyqxmd.com/read/28088844/role-of-contrast-ct-for-the-diagnosis-and-the-prognosis-of-suspected-lvad-thrombosis
#1
Bill C Tran, Prabhjot S Nijjar
BACKGROUND: There is an urgent need for further studies evaluating the role of imaging modalities in the management of left ventricular assist device (LVAD) thrombosis. This study reviews the role of computed tomography (CT) in the diagnosis of suspected LVAD thrombosis. METHODS: All contrast chest CTs performed in patients with suspected LVAD thrombosis at the University of Minnesota between January 2008 and April 2014 were reviewed. Significant CT findings were identified, operative notes were reviewed, and patient outcomes were reported...
January 15, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28088805/a-retrospective-analysis-of-stereoelectroencephalography-and-subdural-electroencephalography-for-preoperative-evaluation-of-intractable-epilepsy
#2
Meihua Yang, Yuanshi Ma, Wei Li, Xianjun Shi, Zhi Hou, Ning An, Chunqing Zhang, Lihong Liu, Hui Yang, Dong Zhang, Shiyong Liu
BACKGROUND: Different methods for intracranial electrode recording have various advantages and disadvantages, and controversy exists regarding the complications of stereoelectroencephalography (SEEG) and subdural EEG. OBJECTIVE: The purpose of this study was to determine the efficacy and safety of SEEG by comparing it with subdural EEG. METHODS: Data from 100 patients who underwent SEEG (n = 48) and subdural EEG (n = 52) to evaluate the epileptogenic zone were collected from June 2011 to June 2015...
January 14, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28088757/challenges-in-neonatal-transport-in-jamaica-a-resource-limited-setting
#3
Salome Henry, Helen Trotman
AIM: This study aimed to determine challenges associated with neonatal transport in Jamaica, a resource-limited setting. METHODS: This was a prospective descriptive study of neonates transported to the University Hospital of the West Indies (UHWI) over a 15 month period. Data on the clinical status of the neonates before, during and at the end of transport, as well as on accompanying staff and equipment, were collected. Neonatal demographics, reason for transfer and outcome at 48 h and at discharge were also collected...
January 14, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28088727/representativeness-of-clinical-pet-study-participants-with-schizophrenia-a-systematic-review
#4
So Kirino, Takefumi Suzuki, Hiroyoshi Takeuchi, Masaru Mimura, Hiroyuki Uchida
While positron emission tomography (PET) studies have provided invaluable data on antipsychotic effects, selection bias remains a serious concern. A systematic review of PET studies that measured dopamine D2 receptor blockade with antipsychotics was conducted to examine their inclusion/exclusion criteria, using PubMed, EMBASE, and ClinicalTrials.gov (last search, September 2016). PET studies were included if they measured D2 receptor occupancy in patients with schizophrenia and included introduction of antipsychotic treatment or antipsychotic regimen change in a systematic manner...
January 5, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28088726/fabrication-of-highly-hydrophilic-filter-using-natural-and-hydrothermally-treated-mica-nanoparticles-for-efficient-waste-oil-water-separation
#5
Udara Bimendra Gunatilake, Jayasundera Bandara
For the effective oil/water separation, a novel superhydrophilic (underwater superoleophobic) filter is fabricated with the naturally and hydrothermally treated mica particles. To fabricate a double layered filter, hydrothermally treated mica particles were initially electrodeposited on a stainless steel mesh and a natural mica particles were sprayed on the first hydrothermally deposited mica layer. The double layered mica coated membrane showed superamphiphilic and superhydrophilic/superoleophobic (contact angle >159°) characteristics in air and underwater respectively...
January 12, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28088665/influenza-a-h1n1-pdm-2009-and-influenza-b-virus-co-infection-in-hospitalized-and-non-hospitalized-patients-during-the-2015-2016-epidemic-season-in-israel
#6
Rakefet Pando, Yaron Drori, Nehemya Friedman, Aharona Glatman-Freedman, Hanna Sefty, Tamar Shohat, Ella Mendelson, Musa Hindiyeh, Michal Mandelboim
BACKGROUND: Influenza A and B viruses co-infections are rare events and mainly occurred in immunocompromised patients. OBJECTIVES: In this study we report an unusually high occurrence of influenza A (H1N1)pdm 2009 and influenza B virus co-infections during the epidemic year 2015-2016. STUDY DESIGN: Nasopharyngeal swabs were collected from 1919 patients visiting 26 outpatient clinics distributed throughout Israel and presenting with influenza-like illness...
January 6, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28088602/aggressive-surgical-approach-to-the-management-of-neuroendocrine-tumors-a-report-of-1-000-surgical-cytoreductions-by-a-single-institution
#7
Eugene A Woltering, Brianne A Voros, David T Beyer, Yi-Zarn Wang, Ramcharan Thiagarajan, Pamela Ryan, Anne Wright, Robert A Ramirez, M Jennifer Ricks, J Philip Boudreaux
BACKGROUND: Neuroendocrine tumors (NETs) are rare neoplasms. Our group has treated over 2,000 NET patients and has performed over 1,000 surgical cytoreductive procedures. STUDY DESIGN: Records of 834 NET patients who underwent surgical cytoreduction at our institution were reviewed. Demographic information, intraoperative findings, extent of disease, complications, and survival rates were calculated. RESULTS: 800 patients underwent 1,001 cytoreductive surgeries...
January 11, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28088520/palmitic-acid-increases-invasiveness-of-pancreatic-cancer-cells-aspc-1-through-tlr4-ros-nf-%C3%AE%C2%BAb-mmp-9-signaling-pathway
#8
Makena J Binker-Cosen, Daniel Richards, Brenda Oliver, Herbert Y Gaisano, Marcelo G Binker, Laura I Cosen-Binker
Pancreatic cancer (PC) is an aggressive malady with proclivity for early metastasis. Overexpression of toll-like receptor 4 (TLR4) in pancreatic ductal adenocarcinoma, the most common type of pancreatic malignancy, correlates to tumor size, lymph node involvement, venous invasion and pathological stage. Lipopolysaccharides (LPS) are natural TLR4 ligands that have been shown to increase the invasive ability of PC cells. However, rapid inactivation of circulating LPS and low systemic absorption of inhaled LPS from the bronchoalveolar compartment make other agonists such as saturated fatty acids more suitable to be considered for TLR4-related cell invasiveness...
January 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28088428/aortic-floating-thrombus-detected-by-computed-tomography-angiography-incidentally-five-cases-and-a-literature-review
#9
Shuyi Yang, Jie Yu, Wenjuan Zeng, Liang Yang, Lin Teng, Yue Cui, Heshui Shi
OBJECTIVE: To analyze the findings of aortic floating thrombus (AFT) on computed tomography angiography (CTA) for a definitive, timely diagnosis and to select a reasonable management course to improve prognosis. METHOD: We retrospectively analyzed imaging findings of 5 patients with AFT detected by CTA, including location, morphology, size, involved aortic segment, concomitant embolism, stent, and dynamic changes during the follow-up. RESULTS: Seven lesions were detected in the initial CTA studies of the 5 patients: 5 aortic intraluminal floating thrombi (3 patients) and 2 aortic in-stents floating thrombi (ASFTs; 2 patients)...
December 22, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28088381/long-term-neurobehavioral-symptoms-and-return-to-productivity-in-operation-enduring-freedom-operation-iraqi-freedom-veterans-with-and-without-traumatic-brain-injury
#10
Marianne H Mortera, Stacy A Kinirons, Jessie Simantov, Heidi Klingbeil
OBJECTIVES: To describe Operation Enduring Freedom/Operation Iraqi Freedom (OEF/OIF) Veterans who underwent the Comprehensive Traumatic Brain Injury Evaluation (CTBIE), differences between the traumatic brain injury (TBI) and non- traumatic brain injury (non-TBI) subgroups, and factors associated with return to productivity (RTP). DESIGN: Retrospective medical record review. SETTING: Veterans Affairs Medical Center, Polytrauma/TBI Network Site...
January 11, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28088241/perceptions-of-mistreatment-among-trainees-vary-at-different-stages-of-clinical-training
#11
Afif N Kulaylat, Danni Qin, Susie X Sun, Christopher S Hollenbeak, Jane R Schubart, Antone J Aboud, Donald J Flemming, Peter W Dillon, Edward R Bollard, David C Han
BACKGROUND: Mistreatment of trainees remains a frequently reported phenomenon in medical education. One barrier to creating an educational culture of respect and professionalism may be a lack of alignment in the perceptions of mistreatment among different learners. Through the use of clinical vignettes, our aim was to assess the perceptions of trainees toward themes of potential mistreatment at different stages of training. METHODS: Based on observations from external experts embedded in the clinical learning environment, six thematic areas of potential mistreatment were identified: verbal abuse, specialty-choice discrimination, non-educational tasks, withholding/denying learning opportunities, neglect and gender/racial insensitivity...
January 14, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28088187/a-double-blind-randomized-placebo-controlled-trial-of-combined-calcitriol-and-ergocalciferol-versus-ergocalciferol-alone-in-chronic-kidney-disease-with-proteinuria
#12
Paweena Susantitaphong, Siriwan Nakwan, Sadudee Peerapornratana, Khajohn Tiranathanagul, Pisut Katavetin, Nattachai Srisawat, Kearkiat Praditpornsilpa, Somchai Eiam-Ong
BACKGROUND: KDOQI guideline suggests that nutritional vitamin D should be supplemented in chronic kidney disease (CKD) patients who have vitamin D insufficiency/deficiency. However, there are scarce data regarding the additional benefit of active vitamin D supplement in CKD patients who were receiving nutritional vitamin D supplement. This study was conducted to explore the effect of adding active vitamin D to nutritional vitamin D supplement on proteinuria and kidney function in CKD with vitamin D insufficiency/deficiency...
January 14, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28088163/note-determine-entanglement-length-through-monomer-mean-square-displacement
#13
Ji-Xuan Hou
I present a refined version of the method for determining entanglement length through monomer mean-square displacement. By retrieving a prefactor π/2 that might be lost in previous derivation, the entanglement length of the standard bead-spring model estimated by this method coincides with the measurements of other methods.
January 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28088066/activity-dependent-development-of-visual-receptive-fields
#14
REVIEW
Andrew Thompson, Alexandra Gribizis, Chinfei Chen, Michael C Crair
It is widely appreciated that neuronal activity contributes to the development of brain representations of the external world. In the visual system, in particular, it is well known that activity cooperates with molecular cues to establish the topographic organization of visual maps on a macroscopic scale [1,2] (Huberman et al., 2008; Cang and Feldheim, 2013), mapping axons in a retinotopic and eye-specific manner. In recent years, significant progress has been made in elucidating the role of activity in driving the finer-scale circuit refinement that shapes the receptive fields of individual cells...
January 11, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28088024/multi-year-record-of-atmospheric-and-snow-surface-nitrate-in-the-central-antarctic-plateau
#15
R Traversi, S Becagli, M Brogioni, L Caiazzo, V Ciardini, F Giardi, M Legrand, G Macelloni, B Petkov, S Preunkert, C Scarchilli, M Severi, V Vitale, R Udisti
Continuous all year-round samplings of atmospheric aerosol and surface snow at high (daily to 4-day) resolution were carried out at Dome C since 2004-05 to 2013 and nitrate records are here presented. Basing on a larger statistical data set than previous studies, results confirm that nitrate seasonal pattern is characterized by maxima during austral summer for both aerosol and surface snow, occurring in-phase with solar UV irradiance. This temporal pattern is likely due to a combination of nitrate sources and post-depositional processes whose intensity usually enhances during the summer...
December 30, 2016: Chemosphere
https://www.readbyqxmd.com/read/28087939/dendritic-cells-in-the-immune-system-history-lineages-tissues-tolerance-and-immunity
#16
Jonathan M Austyn
The aim of this review is to provide a coherent framework for understanding dendritic cells (DCs). It has seven sections. The introduction provides an overview of the immune system and essential concepts, particularly for the nonspecialist reader. Next, the "History" section outlines the early evolution of ideas about DCs and highlights some sources of confusion that still exist today. The "Lineages" section then focuses on five different populations of DCs: two subsets of "classical" DCs, plasmacytoid DCs, monocyte-derived DCs, and Langerhans cells...
December 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/28087891/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#17
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
January 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28087860/retraction-note-triptolide-contributes-to-decrease-in-tlr4-expression-by-upregulating-mir-224-3p-to-inhibit-the-inflammatory-reaction-in-diabetic-nephropathy
#18
Bei Sun, Shaolan Hu, Yongmei Li, Endong Zhu, Li Li, Fei Han, Chun-Jun Li, Liming Chen
.
December 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/28087723/prophylactic-propranolol-for-prevention-of-rop-and-visual-outcome-at-1%C3%A2-year-prerop-trial
#19
Kishore Pratap Sanghvi, Nandkishor S Kabra, Phalguni Padhi, Umesh Singh, Swarup Kumar Dash, Bhupendra S Avasthi
OBJECTIVE: To evaluate the role of prophylactic propranolol in the prevention of retinopathy of prematurity (ROP) in infants ≤32 weeks of gestational age and their visual outcome at 1 year of corrected gestational age. DESIGN: Randomised double blind placebo controlled trial, parallel group nrolment with allocation ratio of 1:1. SETTINGS: Two level III neonatal intensive care units. PARTICIPANTS: 109 preterm neonates of ≤32 weeks of gestation with postnatal age ≤8 days old...
January 13, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28087578/distinct-binding-of-pet-ligands-pbb3-and-av-1451-to-tau-fibril-strains-in-neurodegenerative-tauopathies
#20
Maiko Ono, Naruhiko Sahara, Katsushi Kumata, Bin Ji, Ruiqing Ni, Shunsuke Koga, Dennis W Dickson, John Q Trojanowski, Virginia M-Y Lee, Mari Yoshida, Isao Hozumi, Yasumasa Yoshiyama, John C van Swieten, Agneta Nordberg, Tetsuya Suhara, Ming-Rong Zhang, Makoto Higuchi
Diverse neurodegenerative disorders are characterized by deposition of tau fibrils composed of conformers (i.e. strains) unique to each illness. The development of tau imaging agents has enabled visualization of tau lesions in tauopathy patients, but the modes of their binding to different tau strains remain elusive. Here we compared binding of tau positron emission tomography ligands, PBB3 and AV-1451, by fluorescence, autoradiography and homogenate binding assays with homologous and heterologous blockades using tauopathy brain samples...
January 12, 2017: Brain: a Journal of Neurology
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