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https://www.readbyqxmd.com/read/27923209/recognition-of-ubiquitinated-nucleosomes
#1
REVIEW
Michael T Morgan, Cynthia Wolberger
Histone ubiquitination plays a non-degradative role in regulating transcription and the DNA damage response. A mechanistic understanding of this chromatin modification has lagged that of small histone modifications because of the technical challenges in preparing ubiquitinated nucleosomes. The recent structure of the DUB module of the SAGA coactivator complex bound to a nucleosome containing monoubiquitinated H2B has provided the first view of how specialized subunits target this enzyme to its substrate. Single particle electron microscopy of the intact SAGA coactivator suggests how the DUB module and histone acetyltransferase module engage a nucleosomal substrate...
December 3, 2016: Current Opinion in Structural Biology
https://www.readbyqxmd.com/read/27923012/using-mhealth-for-hiv-tb-treatment-support-in-lesotho-enhancing-patient-provider-communication-in-the-start-study
#2
Yael Hirsch-Moverman, Amrita Daftary, Katharine A Yuengling, Suzue Saito, Moeketsi Ntoane, Koen Frederix, Llang B Maama, Andrea A Howard
BACKGROUND: mHealth is a promising means of supporting adherence to treatment. The Start TB patients on ART and Retain on Treatment (START) study included real-time adherence support using short-text messaging service (SMS) text messaging and trained village health workers (VHWs). We describe the use and acceptability of mHealth by patients with HIV/tuberculosis and health care providers. METHODS: Patients and treatment supporters received automated, coded medication and appointment reminders at their preferred time and frequency, using their own phones, and $3...
January 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27922948/fluoroscopic-guidance-increases-the-incidence-of-thoracic-epidural-catheter-placement-within-the-epidural-space-a-randomized-trial
#3
Michelle C Parra, Kristin Washburn, Jeremiah R Brown, Michael L Beach, Mark P Yeager, Patricia Barr, Kathy Bonham, Kathryn Lamb, Randy W Loftus
BACKGROUND AND OBJECTIVES: Thoracic epidural analgesia can reduce postoperative pain and cardiopulmonary morbidity, but it is associated with a high rate of clinical failure. Up to 50% of clinical failure is thought to be related to technical insertion. In this study, patients undergoing thoracic surgery were randomized to one of two catheter insertion techniques: fluoroscopically guided or conventional loss of resistance with saline/air. Our primary aim was to examine whether fluoroscopic guidance could increase the incidence of correct catheter placement and improve postoperative analgesia...
December 5, 2016: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27922661/fin-tiera-a-tool-for-assessing-technology-induced-errors
#4
Sari Palojoki, Tuuli Pajunen, Lasse Lehtonen, Kaija Saranto
BACKGROUND: Due to the complexity of healthcare processes, the potential for Health Information Systems (HIS) to cause technology-induced errors is a growing concern. Health Information Technology (HIT) errors nearly always threaten good patient care and can lead to patient harm. Instruments to allow hospitals to proactively identify areas of Electronic Health Records (EHR) safety, to set priorities and to intervene before incidents occur are currently underdeveloped. OBJECTIVES: The aim was to design a Finnish questionnaire to measure EHR users' perceptions of common EHR-related safety concerns in a specialized hospital district context through the lens of the theory of socio-technical dimensions...
December 6, 2016: Methods of Information in Medicine
https://www.readbyqxmd.com/read/27922578/facet-joint-violation-during-percutaneous-pedicle-screw-placement-a-comparison-of-two-techniques
#5
Oliver Tannous, Ehsan Jazini, Tristan B Weir, Kelley E Banagan, Eugene Y Koh, D Greg Anderson, Daniel E Gelb, Steven C Ludwig
STUDY DESIGN: A comparative study of facet joint violation (FJV) using two percutaneous surgical techniques. OBJECTIVE: To compare the rate of iatrogenic FJV and medial pedicle wall breach between two methods of percutaneous pedicle screw instrumentation in the thoracic and lumbar spine. SUMMARY OF BACKGROUND DATA: Variable iatrogenic damage to the facet joints has been reported to occur with percutaneous pedicle screw techniques, compared with the open approach, which has been associated with adjacent segment disease...
December 2, 2016: Spine
https://www.readbyqxmd.com/read/27922482/evolution-of-quality-assurance-for-clinical-immunohistochemistry-in-the-era-of-precision-medicine-part-1-fit-for-purpose-approach-to-classification-of-clinical-immunohistochemistry-biomarkers
#6
Carol C Cheung, Corrado D'Arrigo, Manfred Dietel, Glenn D Francis, C Blake Gilks, Jacqueline A Hall, Jason L Hornick, Merdol Ibrahim, Antonio Marchetti, Keith Miller, J Han van Krieken, Soren Nielsen, Paul E Swanson, Clive R Taylor, Mogens Vyberg, Xiaoge Zhou, Emina E Torlakovic
Technical progress in immunohistochemistry (IHC) as well as the increased utility of IHC for biomarker testing in precision medicine avails us of the opportunity to reassess clinical IHC as a laboratory test and its proper characterization as a special type of immunoassay. IHC, as used in current clinical applications, is a descriptive, qualitative, cell-based, usually nonlinear, in situ protein immunoassay, for which the readout of the results is principally performed by pathologists rather than by the instruments on which the immunoassay is performed...
January 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27922456/evaluation-of-the-effectiveness-and-safety-of-ultrasound-guided-percutaneous-carpal-tunnel-release-a-cadaveric-study
#7
Robert Burnham, Larry Playfair, Eldon Loh, Shannon Roberts, Anne Agur
OBJECTIVE: The looped thread carpal tunnel release (TCTR) procedure is a minimally invasive percutaneous technique performed under ultrasound (US) to transect the transverse carpal ligament in patients with carpal tunnel syndrome. Study objectives were to evaluate the accuracy of identifying key US landmarks, safety, effectiveness, and technical difficulty of TCTR. DESIGN: Fourteen lightly embalmed cadaveric distal forearm-hand specimens were subject to US identification of key landmarks, TCTR procedure, and post-TCTR dissection...
December 2, 2016: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/27922174/authors-reply-to-the-technical-comment-from-joelle-michaud-and-goranka-tanackovic
#8
Marc Blondon, Pierre Fontana
No abstract text is available yet for this article.
2016: Swiss Medical Weekly
https://www.readbyqxmd.com/read/27922096/enantiomer-signature-and-carbon-isotope-evidence-for-the-migration-and-transformation-of-ddts-in-arable-soils-across-china
#9
Lili Niu, Chao Xu, Siyu Zhu, Huiming Bao, Yang Xu, Hongyi Li, Zhijian Zhang, Xichang Zhang, Jiguo Qiu, Weiping Liu
Due to the adverse impact of DDTs on ecosystems and humans, a full fate assessment deems a comprehensive study on their occurrence in soils over a large region. Through a sampling campaign across China, we measured the concentrations, enantiomeric fractions (EFs), compound-specific carbon isotope composition of DDT and its metabolites, and the microbial community in related arable soils. The geographically total DDT concentrations are higher in eastern than western China. The EFs and δ(13)C of o,p'-DDT in soils from western China show smaller deviations from those of racemic/standard compound, indicating the DDT residues there mainly result from atmospheric transport...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921374/efficacy-of-a-novel-granulocyte-monocyte-apheresis-adsorber-device-in-the-treatment-of-inflammatory-bowel-diseases-a-pilot-study
#10
Maria Di Girolamo, Alessandro Sartini, Rosina Critelli, Angela Bertani, Alberto Merighi, Erica Villa
Granulocyte monocyte apheresis (GMA) is a non-pharmacological treatment for inflammatory bowel disease. In our study, we tested a novel GMA adsorber device in terms of clinical efficacy and safety in patients' non-response to pharmacological therapy. Secondary outcomes were the evaluation of adsorber's technical performance, the reduction of inflammatory markers and the improvement of patients' life quality. The prospective study included 18 patients enrolled from 2011 to 2012 with a monitoring of 48 weeks...
December 5, 2016: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/27921241/introducing-transcatheter-aortic-valve-implantation-with-a%C3%A2-new-generation-prosthesis-institutional-learning-curve-and-effects-on-acute-outcomes
#11
G D'Ancona, H U Agma, S Kische, G El-Achkar, M Dißmann, J Ortak, H Ince, U Ketterer, A Bärisch, A Öner
OBJECTIVES: We present our single-centre experience with the direct flow medical (DFM) trans-catheter aortic valve implantation (TAVI) prosthesis addressing the impact of learning curve upon outcomes. BACKGROUND: The DFM has been recently introduced for TAVI. The prosthesis presents original design and implantation features. METHODS: Patients were divided into three groups according to the chronological implantation sequence that reflected technical skills acquisition of the entire team...
December 5, 2016: Netherlands Heart Journal
https://www.readbyqxmd.com/read/27921227/-nosocomial-pneumonia-from-a%C3%A2-radiological-perspective
#12
REVIEW
P Agarwal, A Wielandner
Due to the high morbidity and mortality, nosocomial pneumonia represents a serious risk in hospitalized patients. The increased risk of infections with multidrug-resistant (MDR) pathogens makes a timely diagnosis and prompt therapy indispensable. A newly occurring or progressive infiltrate in any patient who has been hospitalized for more than 48 h should be viewed with suspicion. In contrast to community acquired pneumonia (CAP), radiography plays a limited role in the diagnosis of hospital-acquired pneumonia (HAP)...
December 5, 2016: Der Radiologe
https://www.readbyqxmd.com/read/27921160/european-society-of-urogenital-radiology-esur-guidelines-mr-imaging-of-pelvic-endometriosis
#13
M Bazot, N Bharwani, C Huchon, K Kinkel, T M Cunha, A Guerra, L Manganaro, L Buñesch, A Kido, K Togashi, I Thomassin-Naggara, A G Rockall
: Endometriosis is a common gynaecological condition of unknown aetiology that primarily affects women of reproductive age. The accepted first-line imaging modality is pelvic ultrasound. However, magnetic resonance imaging (MRI) is increasingly performed as an additional investigation in complex cases and for surgical planning. There is currently no international consensus regarding patient preparation, MRI protocols or reporting criteria. Our aim was to develop clinical guidelines for MRI evaluation of pelvic endometriosis based on literature evidence and consensus expert opinion...
December 5, 2016: European Radiology
https://www.readbyqxmd.com/read/27921138/the-apex-of-the-aortic-arch-backshifts-with-aging
#14
N d'ostrevy, F D Ardellier, L Cassagnes, L Ouchchane, K Azarnoush, L Camilleri, L Sakka
BACKGROUND: Only a few studies, involving small numbers of patients, have globally assessed the curvature of the thoracic aorta but without any details concerning the location of the supra-aortic trunks. OBJECTIVES: Using CT to describe normal aortic-arch morphology and its changes with age and sex. METHODS: 344 CT scans were studied. We measured the distances from the apex to the ascending and descending aorta, the curvilinear length of the entire arch, that of the segment, including bifurcations of supra-aortic vessels, and the angle, height, and shift of the arch...
December 5, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27921115/-speech-audiometry-for-indication-of-conventional-and-implantable-hearing-aids
#15
U Hoppe, A Hast
The social function of the human hearing apparatus is comprehension of speech. Auditory rehabilitation aims to enhance speech perception in everyday life. Consequently, audiological evaluation contains speech perception measurement. Many speech audiometric methods have been developed in German-speaking countries, which are suitable for quantification of speech perception abilities in quiet and in noise to address specific diagnostic questions. For establishment of the indication for technical hearing systems such as hearing aids and cochlear implants, the Freiburg monosyllabic test has been employed successfully for many years...
December 5, 2016: HNO
https://www.readbyqxmd.com/read/27920962/recommendations-for-detecting-and-addressing-barriers-to-successful-supervision
#16
Tyra P Sellers, Linda A LeBlanc, Amber L Valentino
Behavior analysts who supervise staff are responsible for establishing a healthy supervisory relationship and for teaching basic behavior analytic skills (e.g., verbal repertoires, technical repertoires, clinical decision-making). In addition, supervisors should prepare their supervisees to succeed in their subsequent professional activities by developing their interpersonal skills and professionalism repertoires. Difficulties in the supervisor relationship and problematic personal and professional skills often become the focus of targeted supervision efforts after the effects of deficits (e...
December 2016: Behavior Analysis in Practice
https://www.readbyqxmd.com/read/27920943/a-pilot-dental-survey-on-maui
#17
Olivia Jenkins, Sara Routley, Tina Pedro-Gomes, Lorrin Pang
Routine dental screening surveys of third graders have proven to be a useful tool to monitor the dental health of a community, especially those of highest risk. In 2010 the PEW Charitable Trust (PEW) conducted state-by-state oral hygiene assessments, giving Hawai'i a poor grade, with routine dental surveys of children one of several criteria not met. The Maui Oral Health Task Force piloted its own survey for the island of Maui to assess the challenges in implementing a dental screening and to gain an understanding as to how obstacles might be addressed...
November 2016: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/27920937/conversion-technique-from-neuroendoscopy-to-microsurgery-in-ventricular-tumors-technical-note
#18
Pedro Henrique da C F Pinto, Flavio Nigri, Gabriel N Gobbi, Egas M Caparelli-Daquer
BACKGROUND: Ventricular tumors represent a major neurosurgical challenge, making endoscopic approach an invaluable tool as it gained importance due to technological advances. Nevertheless, the method is not exempt of risk and limitations, sometimes requiring an open surgery. Thus, initial measurements must be adopted in order to simplify an eventual need for conversion to open craniotomy. METHODS: Here, we describe a series of 6 patients with ventricular tumors approached by neuroendoscopy where the conversion to microsurgery turned out to be necessary...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27920899/diagnosing-clean-margins-through-raman-spectroscopy-in-human-and-animal-mammary-tumour-surgery-a-short-review
#19
REVIEW
I A Birtoiu, C Rizea, D Togoe, R M Munteanu, C Micsa, M I Rusu, M Tautan, L Braic, L O Scoicaru, A Parau, N D Becherescu-Barbu, M V Udrea, A Tonetto, R Notonier, C E A Grigorescu
Breast cancer frequency in human and other mammal female populations has worryingly increased lately. The acute necessity for taxonomy of the aetiological factors along with seeking for new diagnostic tools and therapy procedures aimed at reducing mortality have yielded in an intense research effort worldwide. Surgery is a regular method to counteract extensive development of breast cancer and prevent metastases provided that negative surgical margins are achieved. This highly technical challenge requires fast, extremely sensitive and selective discrimination between malignant and benign tissues even down to molecular level...
December 6, 2016: Interface Focus
https://www.readbyqxmd.com/read/27920667/double-in-situ-hybridization-for-micrornas-and-mrnas-in-brain-tissues
#20
Atsushi Kasai, Sora Kakihara, Hiroki Miura, Ryo Okada, Atsuko Hayata-Takano, Keisuke Hazama, Misaki Niu, Norihito Shintani, Takanobu Nakazawa, Hitoshi Hashimoto
MicroRNAs (miRNAs) participate in a variety of functions in the brain. Understanding the in vivo localization of miRNAs is an important step for uncovering their roles in brain function. However, the in situ detection of low-abundance miRNAs in brain tissues remains difficult and requires extensive optimization of in situ hybridization (ISH) protocols in individual laboratories. Thus, detailed information regarding experimental conditions would serve as a useful reference for researchers in this field. Here, we investigated and summarized the effects of adjusting a series of critical steps, including tissue fixation, probe accessibility and hybridization stringency, to standardize the currently used miRNA ISH procedures...
2016: Frontiers in Molecular Neuroscience
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