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https://www.readbyqxmd.com/read/28088808/shunt-surgery-in-idiopathic-intracranial-hypertension-aided-by-electromagnetic-navigation
#1
Elvis J Hermann, Manolis Polemikos, Hans E Heissler, Joachim K Krauss
BACKGROUND: Idiopathic intracranial hypertension (IIH) is characterized by increased cerebrospinal fluid (CSF) pressure and normal or slit ventricles. Lumboperitoneal shunting had been favored by many investigators for CSF diversion in IIH for decades; however, it has been associated with various side effects. Because of the small ventricular size adequate positioning of a ventricular catheter is challenging. OBJECTIVES: Here, we investigated the usefulness of electromagnetic (EM)-guided ventricular catheter placement for ventriculoperitoneal shunting in IIH...
January 14, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28088785/the-igh-locus-3-cis-regulatory-super-enhancer-co-opts-aid-for-allelic-transvection
#2
Sandrine Le Noir, Brice Laffleur, Claire Carrion, Armand Garot, Sandrine Lecardeur, Eric Pinaud, Yves Denizot, Jane Skok, Michel Cogné
Immunoglobulin heavy chain (IgH) alleles have ambivalent relationships: they feature both allelic exclusion, ensuring monoallelic expression of a single immunoglobulin (Ig) allele, and frequent inter-allelic class-switch recombination (CSR) reassembling genes from both alleles. The IgH locus 3' regulatory region (3'RR) includes several transcriptional cis-enhancers promoting activation-induced cytidine deaminase (AID)-dependent somatic hypermutation (SHM) and CSR, and altogether behaves as a strong super-enhancer...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088742/patterns-of-drug-use-and-hiv-infection-among-adults-in-a-nationally-representative-sample
#3
Stephanie Shiau, Stephen M Arpadi, Michael T Yin, Silvia S Martins
BACKGROUND: Little is known about drug use patterns among people living with HIV in comparison to an uninfected group in the general population. The aim of this study was to investigate the association between legal and illegal drug use and HIV infection in a nationally representative sample of adults in the United States. METHODS: Public use data files (2005-2014) from the National Survey on Drug Use and Health (NSDUH) were used. Respondents were asked whether a medical professional had ever told them that they had HIV/AIDS...
January 7, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28088585/nocardiosis-in-south-of-france-during-the-last-ten-years
#4
Delphine Haussaire, Pierre-Edouard Fournier, Karamoko Djiguiba, Valerie Moal, Tristan Legris, Rajsingh Purgus, Jeremy Bismuth, Xavier Elharrar, Martine Reynaud-Gaubert, Henri Vacher-Coponat
BACKGROUND: Nocardiosis is a rare disease with polymorphic presentations. Epidemiology and clinical presentation could change with the increasing number of immunocompromised patients. METHODS: Medical records and microbiologic data for patients affected by nocardiosis and treated in the university hospital of Marseille between 2004 and 2014 were retrospectively analyzed. RESULTS: We analyzed 34 patients infected by Nocardia spp during this period...
January 11, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28088349/stroke-biomarkers-in-clinical-practice-a-critical-appraisal
#5
REVIEW
Geelyn J L Ng, Amy M L Quek, Christine Cheung, Thiruma V Arumugam, Raymond C S Seet
Biomarkers provide critical mechanistic insights to key biologic processes that occur during cerebral ischemia which, when carefully applied, can improve clinical decision-making in acute stroke management. The translation of a blood-based biomarker in ischemic stroke to clinical practice is challenging, in part, due to the complexity of ischemic stroke pathogenesis and the presence of a blood-brain barrier that restricts the release of brain-specific markers into the circulation. The pathologic and clinical aspects of ischemic stroke are described in this review, where a non-exhaustive list of biomarkers that interrogate different aspects of ischemic stroke such as oxidative damage, inflammation, thrombus formation, cardiac function and brain injury are described...
January 11, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28088340/the-role-of-magnetic-resonance-imaging-techniques-in-evaluation-and-management-of-the-idiopathic-inflammatory-myopathies
#6
REVIEW
Jessica Day, Sandy Patel, Vidya Limaye
Magnetic resonance imaging (MRI) is an important tool in the evaluation of neuromuscular disorders. MRI accurately demonstrates muscle oedema, atrophy, subcutaneous pathology and fatty infiltration and also highlights the distribution of muscle involvement. This review examines the role of MRI in evaluation of the idiopathic inflammatory myopathies (IIMs), a heterogeneous group of autoimmune conditions characterised by muscle inflammation and a variety of extra-muscular manifestations. MRI has a clear role in aiding diagnosis of these conditions, guiding muscle biopsy, differentiating subtypes of IIM using a pattern-based approach, and monitoring disease activity in a longitudinal fashion...
November 5, 2016: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28088244/study-of-the-variability-of-scapular-inclination-and-the-glenoid-version-considerations-for-preoperative-planning-clinical-radiological-study
#7
Petr Fulin, Martin Kysilko, David Pokorny, Radek Padr, Nikola Kasprikova, Ivan Landor, Antonin Sosna
BACKGROUND: Preoperative planning with the aid of imaging methods is a principal factor in successful surgery on the shoulder. This work aims to evaluate the variability of glenoid version, spiralling twist and scapular inclination in relation to the frontal axis. Studies focusing on measuring the variability of scapular inclination in the standardised rest position are lacking in the literature. METHODS: We evaluated 104 CT scans of the shoulder. We measured the glenoid version with respect to the scapular axis at three levels...
January 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28088226/use-of-an-intraoperative-navigation-system-for-retrieving-a-broken-dental-instrument-in-the-mandible-a-case-report
#8
Shintaro Sukegawa, Takahiro Kanno, Akane Shibata, Kenichi Matsumoto, Yuka Sukegawa-Takahashi, Kyosuke Sakaida, Yoshihiko Furuki
BACKGROUND: A fracture of root canal instruments, with a fractured piece protruding beyond the apex, is a troublesome incident during an endodontic treatment. Locating and retrieving them represents a challenge to maxillofacial surgeons because it is difficult to access due to the proximity between the foreign body and vital structures. Although safe and accurate for surgery, radiographs and electromagnetic devices do not provide a precise three-dimensional position. In contrast, computer-aided navigation provides a correlation between preoperatively collected data and intraoperatively encountered anatomy...
January 15, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28088191/predicting-probable-alzheimer-s-disease-using-linguistic-deficits-and-biomarkers
#9
Sylvester O Orimaye, Jojo S-M Wong, Karen J Golden, Chee P Wong, Ireneous N Soyiri
BACKGROUND: The manual diagnosis of neurodegenerative disorders such as Alzheimer's disease (AD) and related Dementias has been a challenge. Currently, these disorders are diagnosed using specific clinical diagnostic criteria and neuropsychological examinations. The use of several Machine Learning algorithms to build automated diagnostic models using low-level linguistic features resulting from verbal utterances could aid diagnosis of patients with probable AD from a large population...
January 14, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28087976/the-role-of-diode-array-ultraviolet-detection-for-the-identification-of-synthetic-cathinones
#10
Walter F Rowe, Ioan Marginean, Stephanie Carnes, Ira S Lurie
The utility of diode array UV detection for aiding in the identification of synthetic cathinones, including different sub classes and positional isomers is presented. For 35 synthetic cathinones' unique UV spectra are obtained for seven sub classes including mostly beta ketones, where position and type of substitution on benzene rings give rise to differences in UV maxima and relative intensity of the spectral bands. This aspect is key to distinguishing positional isomers which contain differences in R substitution (mono and di) around the benzene ring, which provides complementary information to electron ionization mass spectrometry, where the latter technique cannot distinguish between these types of positional isomers...
January 14, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28087900/itraq-based-quantitative-proteomic-analysis-and-bioinformatics-study-of-proteins-in-pterygia
#11
Dandan Linghu, Lili Guo, Yinghua Zhao, Zhiming Liu, Mingwei Zhao, Lvzhen Huang, Xiaoxin Li
PURPOSE: To analysis proteins in the tissue of pterygia, and to investigate their potential roles in pterygia, using the comparative proteomic technique of Isobaric Tags for Relative and Absolute Quantitation (iTRAQ) coupled with offline 2DLC-MS/MS, Western-bolt. METHOD: The tissues of pterygia and healthy conjunctiva were collected from 10 pterygia patients (6 females, 4 males; average age was 52 years old; average course of disease was 6 years) in our hospital from September, 2015 to March, 2016...
January 13, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28087894/public-cardiopulmonary-resuscitation-training-rates-and-awareness-of-hands-only-cardiopulmonary-resuscitation-a-cross-sectional-survey-of-victorians
#12
Janet E Bray, Karen Smith, Rosalind Case, Susie Cartledge, Lahn Straney, Judith Finn
OBJECTIVES: To provide contemporary Australian data on the public's training in cardiopulmonary resuscitation (CPR) and awareness of hands-only CPR. METHODS: A cross-sectional telephone survey in April 2016 of adult residents of the Australian state of Victoria was conducted. Primary outcomes were rates of CPR training and awareness of hands-only CPR. RESULTS: Of the 404 adults surveyed (mean age 55 ± 17 years, 59% female, 73% metropolitan residents), 274 (68%) had undergone CPR training...
January 13, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28087826/comparison-of-brain-mri-findings-with-language-and-motor-function-in-the-dystroglycanopathies
#13
Brianna N Brun, Shelley R H Mockler, Katie M Laubscher, Carrie M Stephan, Anne M Wallace, Julia A Collison, M Bridget Zimmerman, William B Dobyns, Katherine D Mathews
OBJECTIVE: To describe the spectrum of brain MRI findings in a cohort of individuals with dystroglycanopathies (DGs) and relate MRI results to function. METHODS: All available brain MRIs done for clinical indications on individuals enrolled in a DG natural history study (NCT00313677) were reviewed. Reports were reviewed when MRI was not available. MRIs were categorized as follows: (1) cortical, brainstem, and cerebellar malformations; (2) cortical and cerebellar malformations; or (3) normal...
January 13, 2017: Neurology
https://www.readbyqxmd.com/read/28087402/accuracy-is-in-the-eyes-of-the-pathologist-the-visual-interpretive-process-and-diagnostic-accuracy-with-digital-whole-slide-images
#14
Tad T Brunyé, Ezgi Mercan, Donald L Weaver, Joann G Elmore
Digital whole slide imaging is an increasingly common medium in pathology, with application to education, telemedicine, and rendering second opinions. It has also made it possible to use eye tracking devices to explore the dynamic visual inspection and interpretation of histopathological features of tissue while pathologists review cases. Using whole slide images, the present study examined how a pathologist's diagnosis is influenced by fixed case-level factors, their prior clinical experience, and their patterns of visual inspection...
January 10, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28087396/influence-of-coronal-bowing-on-the-lower-alignment-and-the-positioning-of-component-in-navigation-and-conventional-total-knee-arthroplasty
#15
Hideo Kobayashi, Yasushi Akamatsu, Ken Kumagai, Yoshihiro Kusayama, Masato Aratake, Tomoyuki Saito
BACKGROUND: Coronal alignment is an important factor for the function and longevity of total knee arthroplasty (TKA). Coronal bowing of the lower extremity is common among Asians and it may pose a risk for malalignment of the lower leg and malposition of component. HYPOTHESIS: We hypothesized that coronal bowing itself has a risk for malalignment of the lower leg and malposition of femoral / tibial components and that navigation TKA is beneficial for patients with coronal bowing...
January 10, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28087371/use-of-the-heart-pathway-with-high-sensitivity-cardiac-troponins-a-secondary-analysis
#16
Simon A Mahler, Jason P Stopyra, Fred S Apple, Robert F Riley, Gregory B Russell, Brian C Hiestand, James W Hoekstra, Cedric W Lefebvre, Bret A Nicks, David M Cline, Kim L Askew, David M Herrington, Gregory L Burke, Chadwick D Miller
OBJECTIVES: The HEART Pathway combines a decision aid and serial contemporary cardiac troponin I (cTnI) measures to achieve >99% sensitivity for major adverse cardiac events (MACE) at 30days and early discharge rates >20%. However, the impact of integrating high-sensitivity troponin (hs-cTn) measures into the HEART Pathway has yet to be determined. In this analysis we compare test characteristics of the HEART Pathway using hs-cTnI, hs-cTnT, or cTnI. DESIGN &METHODS: A secondary analysis of participants enrolled in the HEART Pathway RCT was conducted...
January 10, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28087322/cutaneous-exposure-to-vesicant-phosgene-oxime-acute-effects-on-the-skin-and-systemic-toxicity
#17
Neera Tewari-Singh, Dinesh G Goswami, Rama Kant, Claire R Croutch, Robert P Casillas, David J Orlicky, Rajesh Agarwal
Phosgene Oxime (CX), an urticant or nettle agent categorized as a vesicant, is a potential chemical warfare and terrorist weapon. Its exposure can result in widespread and devastating effects including high mortality due to its fast penetration and ability to cause immediate severe cutaneous injury. It is one of the least studied chemical warfare agents with no effective therapy available. Thus, our goal was to examine the acute effects of CX following its cutaneous exposure in SKH-1 hairless mice to help establish a relevant injury model...
January 10, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28087312/immunisation-choice-of-host-adjuvants-and-boosting-schedules-with-emphasis-on-polyclonal-antibody-production
#18
REVIEW
Philippe Delahaut
Polyclonal antibodies are frequently used as immunodiagnostic tools in fundamental research. They are also used for routine diagnostic purposes in human and veterinary medicine and for quality control procedures in the food-processing industry. The antibody is a major component of the detection system. It binds with the molecule to be identified. This conjugate is subsequently revealed by means of binding the antibody with a radio-isotope, a fluorescent substance, an enzyme inducing a color change, or a biosensor based analytical system...
January 10, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28087221/varenicline-provokes-impulsive-action-by-stimulating-%C3%AE-4%C3%AE-2-nicotinic-acetylcholine-receptors-in-the-infralimbic-cortex-in-a-nicotine-exposure-status-dependent-manner
#19
Yu Ohmura, Hitomi Sasamori, Iku Tsutsui-Kimura, Takeshi Izumi, Takayuki Yoshida, Mitsuhiro Yoshioka
Higher impulsivity is a risk factor for criminal involvement and drug addiction. Because nicotine administration enhances impulsivity, the effects of stop-smoking aids stimulating nicotinic acetylcholine receptors (nAChRs) on impulsivity must be determined in different conditions. Our goals were 1) to confirm the relationship between varenicline, a stop-smoking aid and α4β2 nAChR partial agonist, and impulsivity, 2) to elucidate the mechanisms underlying the effects of varenicline, 3) to examine whether a low dose of varenicline that does not evoke impulsive action could block the stimulating effects of nicotine on impulsive action, 4) to determine whether the route of administration could modulate the effects of varenicline on impulsive action, and 5) to determine whether the effects of varenicline on impulsivity could be altered by smoking status...
January 10, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28087072/enhancing-delirium-case-definitions-in-electronic-health-records-using-clinical-free-text
#20
Thomas H McCoy, Deanna C Chaukos, Leslie A Snapper, Kamber L Hart, Theodore A Stern, Roy H Perlis
BACKGROUND: Delirium is an acute confusional state, associated with morbidity and mortality in diverse medically ill populations. Delirium is preventable and treatable when diagnosed but the diagnosis is often missed. This important and difficult diagnosis is an attractive candidate for computer-aided decision support if it can be reliably identified at scale. OBJECTIVE: Here, using an electronic health record-based case definition of delirium, we characterize incidence of this highly morbid condition in 2 large academic medical centers...
October 27, 2016: Psychosomatics
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