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https://www.readbyqxmd.com/read/28891656/implied-reading-direction-and-prioritization-of-letter-encoding
#1
Alex O Holcombe, Elizabeth H L Nguyen, Patrick T Goodbourn
Capacity limits hinder processing of multiple stimuli, contributing to poorer performance for identifying two briefly presented letters than for identifying a single letter. Higher accuracy is typically found for identifying the letter on the left, which has been attributed to a right-hemisphere dominance for selective attention. Here, we use rapid serial visual presentation (RSVP) of letters in two locations at once. The letters to be identified are simultaneous and cued by rings. In the first experiment, we manipulated implied reading direction by rotating or mirror-reversing the letters to face to the left rather than to the right...
September 11, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28885787/an-inexpensive-point-of-care-urine-test-for-bladder-cancer-in-patients-undergoing-hematuria-evaluation
#2
Abhinav P Acharya, Kathryn M Theisen, Andres Correa, Thiagarajan Meyyappan, Abraham Apfel, Tao Sun, Tatum V Tarin, Steven R Little
Although hematuria (blood in urine) is the most common symptom of bladder cancer, 70-98% of hematuria cases are benign. These hematuria patients unnecessarily undergo costly, invasive, and expensive evaluation for bladder cancer. Therefore, there remains a need for noninvasive office-based tests that can rapidly and reliably rule out bladder cancer in patients undergoing hematuria evaluation. Herein, a clinical assay for matrix metalloproteinases ("Ammps") is presented, which generates a visual signal based on the collagenase activity (in urine of patients) on the Ammps substrates...
September 8, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28885763/the-maastricht-frailty-screening-tool-for-hospitalised-patients-mfst-hp-to-identify-non-frail-patients
#3
Ron M J Warnier, Erik van Rossum, Sander M J van Kuijk, Wubbo J Mulder, Jos M G A Schols, Gertrudis I J M Kempen
BACKGROUND: The Maastricht frailty screening tool for hospitalised patients (MFST-HP) is a frailty screening tool that is fully integrated in the nursing assessment at admission. This study aims to determine the predictive value of the MFST-HP for the health outcomes length of hospital stay, discharge destination, readmission and mortality. METHODS: Data of 2691 hospitalised patients (70+), admitted between 01-01-2013 and 31-12-2013, were included in the study. The predictive value of the MFST-HP was analysed by means of receiver operating characteristics curves...
September 8, 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28884300/what-every-radiologist-should-know-about-adnexal-torsion
#4
Guillaume Ssi-Yan-Kai, Anne-Laure Rivain, Caroline Trichot, Marie-Chantal Morcelet, Sophie Prevot, Xavier Deffieux, Jocelyne De Laveaucoupet
Adnexal torsion is the fifth most common gynecologic surgical emergency, requiring clinician and radiologist awareness. It involves the rotation of the ovarian tissue on its vascular pedicle leading to stromal edema, hemorrhagic infarction, and necrosis of the adnexal structures with the subsequent sequelae. Expedient diagnosis poses a difficult challenge because the clinical presentation is variable and often misleading. Adnexal torsion can mimic malignancy as it can take a subacute, intermittent, or chronic course, and thereby can be complicated to diagnose...
September 7, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28877521/case-report-pulmonary-tumor-thrombotic-microangiopathy-in-a-cervical-cancer-patient
#5
Naoya Tsujimoto, Ai Miyoshi, Mayuko Mimura, Toshio Naka, Masaru Yamasaki, Takeshi Yokoi
Pulmonary tumor thrombotic microangiopathy (PTTM) is a rapidly progressive and often fatal pulmonary disease induced by tumor emboli within the small pulmonary arteries. PTTM presents clinically as progressive hypoxia and pulmonary hypertension. Most cases of PTTM are caused by an adenocarcinoma of the stomach. We present the first case report of PTTM caused by cervical squamous cell carcinoma. An 82-year-old woman presented with vaginal bleeding and exertional dyspnea. A cervical mass biopsy showed squamous cell carcinoma...
September 7, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28863961/cerebellopathy-secondary-to-anti-peroxidase-antibody-mediated-toxicity-a-special-case-of-hashimoto-encephalopathy
#6
Gary Álvarez Bravo, Antonio Yusta Izquierdo, Guilherme Carvalho Monteiro, Irene Sánchez
OBJECTIVE: The aim of this case report is to highlight the importance of recognizing uncommon causes of cerebellar involvement. CASE PRESENTATION: A 45-year-old woman with no medical history who presented gait instability that appears suddenly and evolves rapidly in two weeks, causing frequent falls. Neurological examination revealed an inability to walk due to severe ataxia, accompanied by global hypotonia, appendicular dysmetria, opsoclonus and dysarthria. We studied this patient with cerebellar syndrome, obtaining as relevant findings global cerebellar atrophy in MRI (magnetic resonance imaging) and especially, considerably elevated levels of antibodies against thyroid peroxidase (TPO)...
August 19, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28856443/circadian-rhythm-of-blood-cardiac-troponin-t-concentration
#7
Stephane Fournier, Lea Iten, Pedro Marques-Vidal, Olivier Boulat, Daniel Bardy, Ahmed Beggah, Rachel Calderara, Beata Morawiec, Nathalie Lauriers, Pierre Monney, Juan F Iglesias, Patrizio Pascale, Brahim Harbaoui, Eric Eeckhout, Olivier Muller
INTRODUCTION: High-sensitivity cardiac troponin assays have significantly improved the sensitivity of myocardial infarction detection by using cutoff values and early absolute changes. However, variation in repeated measures also depends on biological variability. This study aimed to assess the potential circadian component of this biological variability. METHODS: 17 healthy volunteers were recruited, and standardized conditions for physical activity, meals, exposure to light and duration of sleep were imposed...
August 30, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28856025/efficacy-of-prompt-initiation-of-antiretroviral-therapy-in-the-treatment-of-hemophagocytic-lymphohistiocytosis-triggered-by-uncontrolled-human-immunodeficiency-virus
#8
Bryan P Fitzgerald, Amy L Wojciechowski, Rajinder P S Bajwa
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening, rapidly progressive hematologic disorder involving uncontrolled immune system activation. HLH has been associated with viral infections, including human immunodeficiency virus (HIV) infections. We report a case of a critically ill 30-year-old female who was hospitalized with HIV-associated HLH, with a CD4 count of 4 cells/mL and HIV viral load of 1,842,730 copies/mL. After ruling out other potential infectious causes of HLH, antiretroviral therapy (ART) was initiated with darunavir, ritonavir, tenofovir, and emtricitabine...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28844382/antibacterial-effect-and-proposed-mechanism-of-action-of-a-topical-surgical-adhesive
#9
Daniel Prince, Zankhna Solanki, Remy Varughese, Jozef Mastej, Derek Prince
BACKGROUND: Medical adhesives effectively hold closed approximated skin edges of wounds from surgical incisions, including punctures from minimally invasive surgery. In addition, they have been reported to be antibacterial against gram-positive bacteria. METHODS: Using membrane filtration to capture all organisms after contact with 2-octyl cyanoacrylate product for 3 minutes, we quantified the number of survivors. Controls were performed to rule out that the noted level of kill was caused by carryover product in the test system...
August 22, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28835560/the-processing-of-images-of-biological-threats-in-visual-short-term-memory
#10
Philip T Quinlan, Yue Yue, Dale J Cohen
The idea that there is enhanced memory for negatively, emotionally charged pictures was examined. Performance was measured under rapid, serial visual presentation (RSVP) conditions in which, on every trial, a sequence of six photo-images was presented. Briefly after the offset of the sequence, two alternative images (a target and a foil) were presented and participants attempted to choose which image had occurred in the sequence. Images were of threatening and non-threatening cats and dogs. The target depicted either an animal expressing an emotion distinct from the other images, or the sequences contained only images depicting the same emotional valence...
August 30, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28816001/plasma-and-cerebrospinal-fluid-tau-and-neurofilament-concentrations-in-rapidly-progressive-neurological-syndromes-a-neuropathology-based-cohort
#11
G G Kovacs, U Andreasson, V Liman, G Regelsberger, M I Lutz, K Danics, E Keller, H Zetterberg, K Blennow
BACKGROUND AND PURPOSE: Cerebrospinal fluid (CSF) tau and neurofilament light chain (NF-L) proteins have proved to be reliable biomarkers for neuronal damage; however, there is a strong need for blood-based tests. METHODS: The present study included 132 autopsy cases with rapidly progressive neurological syndromes, including Alzheimer disease (AD) (21), sporadic (65) and genetic (21) Creutzfeldt-Jakob disease (CJD), 25 cases with vascular, neoplastic and inflammatory alterations, and additionally 18 healthy control individuals...
August 16, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28814633/variance-in-exposed-perturbations-impairs-retention-of-visuomotor-adaptation
#12
Cesar Augusto Canaveral, Frederic Danion, Félix Berrigan, Pierre-Michel Bernier
Sensorimotor control requires an accurate estimate of the state of the body. The brain optimizes state estimation by combining sensory signals with predictions of the sensory consequences of motor commands using a forward model. Given that both sensory signals and predictions are uncertain (i.e. noisy), the brain optimally weights the relative reliance on each source of information during adaptation. In support, it is known that uncertainty in the sensory predictions influences the rate and generalization of visuomotor adaptation...
August 16, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28770163/modified-drainage-of-submasseteric-space-abscess
#13
Moon-Gi Choi
Once a submasseteric space infection is diagnosed, the key to resolving the infection is via surgical intervention to evacuate the pus. Although it is possible and occasionally practical to drain the submasseteric space via an intraoral approach, an extraoral approach may sometimes be required. Surgeons have encountered complications such as facial nerve damage during extraoral incision and drainage procedures, and they have felt that extraoral dissection was very difficult. As such, an easier and simpler technique is needed...
June 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28765219/genomic-dissection-of-an-icelandic-epidemic-of-respiratory-disease-in-horses-and-associated-zoonotic-cases
#14
Sigríður Björnsdóttir, Simon R Harris, Vilhjálmur Svansson, Eggert Gunnarsson, Ólöf G Sigurðardóttir, Kristina Gammeljord, Karen F Steward, J Richard Newton, Carl Robinson, Amelia R L Charbonneau, Julian Parkhill, Matthew T G Holden, Andrew S Waller
Iceland is free of the major infectious diseases of horses. However, in 2010 an epidemic of respiratory disease of unknown cause spread through the country's native horse population of 77,000. Microbiological investigations ruled out known viral agents but identified the opportunistic pathogen Streptococcus equi subsp. zooepidemicus (S. zooepidemicus) in diseased animals. We sequenced the genomes of 257 isolates of S. zooepidemicus to differentiate epidemic from endemic strains. We found that although multiple endemic clones of S...
August 1, 2017: MBio
https://www.readbyqxmd.com/read/28762417/the-recent-achievements-of-redox-neutral-radical-c-c-cross-coupling-enabled-by-visible-light
#15
Jin Xie, Hongming Jin, A Stephen K Hashmi
Visible-light photoredox catalysis has been esteemed as one sustainable and attractive synthetic tool. In the past four years, a new yet challenging trend, visible-light-driven redox-neutral radical C-C cross-coupling involving putative radical intermediates, has been booming rapidly. Its advent brings a powerful platform to achieve non-classical C-C connections, and should lead to fundamental changes in retrosynthetic analysis. In this tutorial review, we highlight the recent achievements of visible-light-mediated redox-neutral radical C(sp(3))-C(sp(2)), C(sp(3))-C(sp), and C(sp(3))-C(sp(3)) bond formation, opening a new window for C-C cross-coupling through the photoredox electron shuttling cycle between two coupling partners...
August 1, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28757654/predicting-triple-negative-breast-cancer-subtype-using-multiple-single-nucleotide-polymorphisms-for-breast-cancer-risk-and-several-variable-selection-methods
#16
Lothar Häberle, Alexander Hein, Matthias Rübner, Michael Schneider, Arif B Ekici, Paul Gass, Arndt Hartmann, Rüdiger Schulz-Wendtland, Matthias W Beckmann, Wing-Yee Lo, Werner Schroth, Hiltrud Brauch, Peter A Fasching, Marius Wunderle
INTRODUCTION: Studies of triple-negative breast cancer have recently been extending the inclusion criteria and incorporating additional molecular markers into the selection criteria, opening up scope for targeted therapies. The screening phases required for studies of this type are often prolonged, since the process of determining the molecular subtype and carrying out additional biomarker assessment is time-consuming. Parameters such as germline genotypes capable of predicting the molecular subtype before it becomes available from pathology might be helpful for treatment planning and optimizing the timing and cost of screening phases...
June 2017: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/28755397/the-introduction-and-clinical-use-of-cardiac-specific-troponin-assays
#17
Elliott M Antman
The earliest biomarkers introduced to diagnose myocardial infarction (MI) such as aspartate aminotransferase (AST) and lactic dehydrogenase (LDH) lacked cardiac specificity and were replaced by creatine kinase (CK), the CK-MB isoenzyme, and ultimately the cardiac-specific troponins (cTnT and cTnI). This has opened up the possibilities of ruling out MI more rapidly and also identifying patients with a chronic elevation of cTn and a poor prognosis in a range of cardiac conditions.
July 29, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28748886/clinical-and-histological-correlation-of-diabetic-nephropathy
#18
Tameem Afroz, Radha Sagar, Sandeep Reddy, Sridhar Gandhe, K G Rajaram
Renal failure in diabetes is a common cause of renal replacement therapy. The affected kidney goes through various changes in all compartments progressively. The classification of diabetic nephropathy is based on glomerular lesions and displays a heterogeneous morphology. Abnormalities in tubulointerstitial and vascular compartments are important in assessing the outcome of these patients. We applied the new pathologic classification of diabetic nephropathy by Tervaert et al to classify the renal damage in diabetes...
July 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28692107/whole-blood-ristocetin-activated-platelet-impedance-aggregometry-multiplate-for-the-rapid-detection-of-von-willebrand-disease
#19
David E Schmidt, Maria Bruzelius, Ammar Majeed, Jacob Odeberg, Margareta Holmström, Anna Ågren
Von Willebrand disease (VWD) is the most common bleeding disorder, but no bedside tests specific for Von Willebrand factor are available. The objective of this study was to evaluate the diagnostic accuracy of whole blood ristocetin-induced platelet aggregometry (WB-RIPA) in VWD. WB-RIPA was performed in VWD patients (n=100) and healthy controls (n=17) using the Multiplate® platelet impedance aggregometry platform. The diagnostic properties of the test were described as sensitivity/specificity, positive and negative predictive value, and ROC area under the curve (AUC)...
July 26, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28674996/characteristics-of-adverse-drug-reactions-in-a-vemurafenib-early-post-marketing-phase-vigilance-study-in-japan
#20
H Uhara, Y Kiyohara, A Tsuda, M Takata, N Yamazaki
BACKGROUND: Post-approval research or monitoring is important to determine real-world safety of new products; however, evidence is scant for vemurafenib in Japanese patients. In Japan, a unique system is officially obligated to investigate post-approval safety. Here we report the first adverse drug reaction (ADR) data from vemurafenib-treated Japanese patients with metastatic melanoma. Data were collected in an early post-marketing phase vigilance (EPPV) study. METHODS: ADRs were events for which a causal relationship with vemurafenib could not be ruled out or was unknown...
July 3, 2017: Clinical & Translational Oncology
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