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https://www.readbyqxmd.com/read/28817653/perilymph-pharmacokinetics-of-marker-applied-through-a-cochlear-implant-in-guinea-pigs
#1
Alec Salt, Jared Hartsock, Ruth Gill, Daniel Smyth, Jonathon Kirk, Kristien Verhoeven
Patients undergoing cochlear implantation could benefit from a simultaneous application of drugs into the ear, helping preserve residual low-frequency hearing and afferent nerve fiber populations. One way to apply drugs is to incorporate a cannula into the implant, through which drug solution is driven. For such an approach, perilymph concentrations achieved and the distribution in the ear over time have not previously been documented. We used FITC-labeled dextran as a marker, delivering it into perilymph of guinea pigs at 10 or 100 nL/min though a cannula incorporated into a cochlear implant with the outlet in the mid basal turn...
2017: PloS One
https://www.readbyqxmd.com/read/28815123/rapid-and-reusable-text-visualization-and-exploration-development-with-delve
#2
Daniel R Harris, Ramakanth Kavuluru, Jerzy W Jaromczyk, Todd R Johnson
We present DELVE (Document ExpLoration and Visualization Engine), a framework for developing interactive visualizations as modular Web-applications to assist researchers with exploratory literature search. The goal for web-applications driven by DELVE is to better satisfy the information needs of researchers and to help explore and understand the state of research in scientific liter ature by providing immersive visualizations that both contain facets and are driven by facets derived from the literature. We base our framework on principles from user-centered design and human-computer interaction (HCI)...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28810785/explicitly-correlated-n-electron-valence-state-perturbation-theory-nevpt2-f12
#3
Yang Guo, Kantharuban Sivalingam, Edward F Valeev, Frank Neese
In this work, explicitly correlated second order N-electron valence state perturbation theory (NEVPT2-F12) has been derived and implemented for the first time. The NEVPT2-F12 algorithm presented here is based on a fully internally contracted wave function and includes the correction of semi-internal excitation subspaces. The algorithm exploits the resolution of identity (RI) approximation to improve the computational efficiency. The overall O(N(5)) scaling of the computational effort is documented. In Sec. III, the dissociation processes of diatomic molecules and the singlet-triplet gap of several systems are studied...
August 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28800746/artery-of-percheron-infarction-a-case-report
#4
Axel Sandvig, Sandra Lundberg, Jiri Neuwirth
BACKGROUND: The artery of Percheron is a rare anatomic variant of arterial supply to the paramedian thalamus and rostral midbrain, and occlusion of the artery of Percheron results in bilateral paramedian thalamic infarcts with or without midbrain involvement. Acute artery of Percheron infarcts represent 0.1 to 2% of total ischemic stroke. However, of thalamic strokes, occlusion of artery of Percheron is the cause in 4 to 35% of cases. Early diagnosis of artery of Percheron infarction can be challenging because it is infrequent and early computed tomography or magnetic resonance imaging may be negative...
August 12, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28792576/-online-text-based-psychosocial-intervention-for-youth-in-quebec
#5
Christine Thoër, Kathia Noiseux, Fabienne Siche, Caroline Palardy, Claire Vanier, Caroline Vrignaud
BACKGROUND: In 2013, Tel-jeunes created a text messaging intervention program to reach youth aged 12 to 17 years on their cell phones. Tel-jeunes was the first in the country to offer a text-based brief psychosocial interventions performed by professional counselors. Researchers were contacted to document and evaluate the program. OBJECTIVES: The research aimed to: 1) determine motives, contexts and issues that lead young people to use the SMS service; 2) document the characteristics of text-based brief intervention; and 3) assess the advantages and difficulties encountered by counselors who respounded to youth text-messages...
2017: Santé Mentale Au Québec
https://www.readbyqxmd.com/read/28780910/drug-related-problems-in-community-dwelling-primary-care-patients-screened-positive-for-dementia
#6
D Wucherer, J R Thyrian, T Eichler, J Hertel, I Kilimann, S Richter, B Michalowsky, I Zwingmann, A Dreier-Wolfgramm, C A Ritter, S Teipel, W Hoffmann
BACKGROUND: Older people have a higher risk of drug-related problems (DRPs). However, little is known about the prevalence of DRPs in community-dwelling people who screened positive for dementia. Our study aimed to determine (1) the prevalence and types of DRPs and (2) the socio-demographic and clinical variables associated with DRPs in people screened positive for dementia in primary care. METHODS: The Dementia: life- and person-centered help in Mecklenburg-Western Pomerania (DelpHi-MV) study is a general practitioner (GP)-based cluster-randomized controlled intervention study to implement and evaluate an innovative concept of collaborative dementia care management in the primary care setting in Germany...
August 7, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28763045/mzstudio-a-dynamic-digital-canvas-for-user-driven-interrogation-of-mass-spectrometry-data
#7
Scott B Ficarro, William M Alexander, Jarrod A Marto
Although not yet truly 'comprehensive', modern mass spectrometry-based experiments can generate quantitative data for a meaningful fraction of the human proteome. Importantly for large-scale protein expression analysis, robust data pipelines are in place for identification of un-modified peptide sequences and aggregation of these data to protein-level quantification. However, interoperable software tools that enable scientists to computationally explore and document novel hypotheses for peptide sequence, modification status, or fragmentation behavior are not well-developed...
August 1, 2017: Proteomes
https://www.readbyqxmd.com/read/28762665/external-validation-of-the-dash-prediction-rule-a-retrospective-cohort-study
#8
A Tosetto, S Testa, I Martinelli, D Poli, B Cosmi, C Lodigiani, W Ageno, V De Stefano, A Falanga, I Nichele, O Paoletti, P Bucciarelli, E Antonucci, C Legnani, E Banfi, F Dentali, F Bartolomei, L Barcella, G Palareti
BACKGROUND: The DASH prediction model has been proposed as a guide to identify patients at low risk of recurrence of venous thromboembolism (VTE), but has never been validated in an independent cohort. AIMS: To validate the calibration and discrimination of the DASH prediction model. We were also willing to evaluate the DASH score in a predefined patient subgroup aged >65 years. METHODS: Patients with a proximal unprovoked DVT or PE, who received a full course of VKA or DOAC (>3 months) and having D-Dimer measured after treatment withdrawal were eligible...
August 1, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28760730/designing-serious-computer-games-for-people-with-moderate-and-advanced-dementia-interdisciplinary-theory-driven-pilot-study
#9
Chariklia Tziraki, Rakel Berenbaum, Daniel Gross, Judith Abikhzer, Boaz M Ben-David
BACKGROUND: The field of serious games for people with dementia (PwD) is mostly driven by game-design principals typically applied to games created by and for younger individuals. Little has been done developing serious games to help PwD maintain cognition and to support functionality. OBJECTIVES: We aimed to create a theory-based serious game for PwD, with input from a multi-disciplinary team familiar with aging, dementia, and gaming theory, as well as direct input from end users (the iterative process)...
July 31, 2017: JMIR Serious Games
https://www.readbyqxmd.com/read/28754635/the-little-brown-bat-nuclear-genome-contains-an-entire-mitochondrial-genome-real-or-artifact
#10
Huizhen Shi, Yutong Xing, Xiuguang Mao
Nuclear mitochondrial DNA sequences (NUMTs) have been documented in almost all eukaryotic genomes studied. Recently, with the number of sequenced genomes increasing, extremely large NUMTs, even a nearly entire mitochondrial genome, have been reported in some plants and animals. However, few such studies provided strong experimental evidences for these important discoveries. In this study using a computer-based search method an entire mitochondrial genome (NUMT-1) was found in the nuclear genome of a bat species (Myotis lucifugus)...
July 25, 2017: Gene
https://www.readbyqxmd.com/read/28750446/-modern-endoscopic-imaging-tools-for-urothelial-carcinoma-of-the-urinary-bladder
#11
M C Kriegmair, M Ritter, M S Michel, C Bolenz
Cystoscopy is the gold standard for the initial diagnosis of urothelial carcinoma in the urinary bladder (UCB). White light exhibits significant limitations in its ability to detect flat lesions or carcinoma in situ. Photodynamic Diagnosis (PDD) and Narrow Band Imaging (NBI) are established techniques which may improve the detection rates of UCB and reduce the risk of recurrence. Multiple novel tools have been developed in order to improve the diagnostic accuracy of endoscopic procedures, including Digital Contrast Enhancement Technology, Confocal Laser Endomicroscopy (CLE) and Optical Coherence Tomography (OCT)...
August 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28740346/management-and-outcome-of-hepatocellular-adenoma-with-massive-bleeding-at-presentation
#12
Anne J Klompenhouwer, Robert A de Man, Maarten Gj Thomeer, Jan Nm Ijzermans
AIM: To evaluate outcome of acute management and risk of rebleeding in patients with massive hemorrhage due to hepatocellular adenoma (HCA). METHODS: This retrospective cohort study included all consecutive patients who presented to our hospital with massive hemorrhage (grade II or III) due to ruptured HCA and were admitted for observation and/or intervention between 1999-2016. The diagnosis of HCA was based on radiological findings from contrast-enhanced magnetic resonance imaging (MRI) or pathological findings from biopsy or resection of the HCA...
July 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28730951/penumbra-and-re-canalization-acute-computed-tomography-in-ischemic-stroke-evaluation-practise-study-protocol
#13
Salwa El-Tawil, Joanna Wardlaw, Ian Ford, Grant Mair, Tom Robinson, Lalit Kalra, Keith W Muir
Rationale Multimodal imaging, including computed tomography angiography and computed tomography perfusion imaging, yields additional information on intracranial vessels and brain perfusion and can differentiate between ischemic core and penumbra which may affect patient selection for intravenous thrombolysis. Hypothesis The use of multimodal imaging will increase the number of patients receiving intravenous thrombolysis and lead to better treatment outcomes. Sample size 400 patients. Methods and design PRACTISE is a prospective, multicenter, randomized, controlled trial in which patients presenting within 4...
August 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28730248/clavicle-anatomical-osteosynthesis-plate-breakage-failure-analysis-report-based-on-patient-morphological-parameters
#14
Rodica Marinescu, Vasile Iulian Antoniac, Dan Ioan Stoia, Dan Constantin Lăptoiu
Clavicle fracture reported incidence is about 5% of fractures in adult; among them, those located in the middle third of the shaft represent more than 80% from the total of cases. Due to the special morphological and biomechanical constraints of the clavicle, several methods for restoring morphological integrity in these fractures are described, including conservative, non-surgical treatment. The last 10 years of clinical studies in the field have favored the surgical treatment for selected cases; several osteosynthesis implants are in use - mostly anatomical plates with specific advantages and documented complications...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28725253/computed-tomography-based-treatment-planning-for-high-dose-rate-brachytherapy-using-the-tandem-and-ring-applicator-influence-of-applicator-choice-on-organ-dose-and-inter-fraction-adaptive-planning
#15
REVIEW
Vishruta A Dumane, Yading Yuan, Ren-Dih Sheu, Vishal Gupta
Three dimensional planning for high-dose-rate (HDR) brachytherapy in cervical cancer has been highly recommended by consensus guidelines such as the American Brachytherapy Society (ABS) and the Groupe Européen de Curiethérapie - European Society for Radiotherapy and Oncology (GEC-ESTRO). In this document, we describe our experience with computed tomography (CT)-based planning using the tandem/ring applicator. We discuss the influence of applicator geometry on doses to organs at risk (OARs), namely the bladder, rectum, and sigmoid...
June 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28716472/the-bone-lid-technique-in-oral-surgery-a-case-series-study
#16
S Sivolella, G Brunello, F Fistarol, E Stellini, C Bacci
The aim of this case series study was to illustrate the bone lid technique implemented using piezoelectric surgery to access mandibular alveolar bone diseases and to assess the clinical and radiographic outcomes. The technique was used to treat 21 consecutive patients with various conditions: cysts in six cases, impacted teeth with associated cysts in nine, keratocystic odontogenic tumours in three, impacted teeth in two, and an endodontic lesion in one. The bone lid was fashioned using piezoelectric surgery and a thin osteotomy insert...
July 14, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28712277/moderate-hypofractionated-image-guided-thoracic-radiotherapy-for-locally-advanced-node-positive-non-small-cell-lung-cancer-patients-with-very-limited-lung-function-a-case-report
#17
Farkhad Manapov, Olarn Roengvoraphoj, Minglun Li, Chukwuka Eze
Patients with locally advanced lung cancer and very limited pulmonary function (forced expiratory volume in 1 second [FEV1] ≤ 1 L) have dismal prognosis and undergo palliative treatment or best supportive care. We describe two cases of locally advanced node-positive non-small cell lung cancer (NSCLC) patients with very limited lung function treated with induction chemotherapy and moderate hypofractionated image-guided radiotherapy (Hypo-IGRT). Hypo-IGRT was delivered to a total dose of 45 Gy to the primary tumor and involved lymph nodes...
June 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28705670/empiric-antibiotic-protocols-for-cancer-patients-with-neutropenia-a-single-center-study-of-treatment-efficacy-and-mortality-in-patients-with-bacteremia
#18
Eyal Kleinhendler, Matan J Cohen, Allon E Moses, Ora Paltiel, Jacob Strahilevitz, Amos Cahan
BACKGROUND: A number of empiric antibiotic treatment options for febrile neutropenia exist, yet there is no universally-accepted initial protocol. We aimed to assess the performance of a protocol (piperacillin, gentamicin and cefazolin) introduced over 40 years ago and compare its coverage against bacteria isolated from blood of neutropenic patients to that of various commonly used antibiotic treatment protocols. METHODS: Adults with neutropenia admitted between 2003 and 2012 to the hemato-oncologic departments, in whom blood cultures were taken on admission were included...
July 10, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28702405/the-impact-of-irradiation-dose-on-the-computed-tomography-radiographic-response-of-metastatic-nodes-and-clinical-outcomes-in-cervix-cancer-in-a-low-resource-setting
#19
Matthew Ryan McKeever, Lindsay Hwang, Jennifer Barclay, Yin Xi, April Bailey, Kevin Albuquerque
INTRODUCTION: The aim of this study is to investigate the relationship between the radiation dose to pelvic and para-aortic lymph nodes, nodal response, and clinical outcomes in a resource-poor setting based on computed tomography (CT) nodal size alone. MATERIALS AND METHODS: This retrospective study from 2009 to 2015 included 46 cervical cancer patients with 133 metastatic pelvic and para-aortic lymph nodes definitively treated with chemoradiation and brachytherapy in a public hospital with limited access to positron emission tomography (PET) scans...
April 2017: South Asian Journal of Cancer
https://www.readbyqxmd.com/read/28695665/analysis-of-large-16s-rrna-illumina-data-sets-impact-of-singleton-read-filtering-on-microbial-community-description
#20
Lucas Auer, Mahendra Mariadassou, Michael O'Donohue, Christophe Klopp, Guillermina Hernandez-Raquet
Next-generation sequencing technologies give access to large sets of data, which are extremely useful in the study of microbial diversity based on 16S rRNA gene. However, the production of such large data sets is not only marred by technical biases and sequencing noise but also increases computation time and disc space use. To improve the accuracy of OTU predictions and overcome both computations, storage and noise issues, recent studies and tools suggested removing all single reads and low abundant OTUs, considering them as noise...
July 11, 2017: Molecular Ecology Resources
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