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https://www.readbyqxmd.com/read/29161789/current-status-of-thyroid-fine-needle-aspiration-practice-in-thailand
#1
REVIEW
Somboon Keelawat, Samreung Rangdaeng, Supinda Koonmee, Tikamporn Jitpasutham, Andrey Bychkov
Thyroid carcinoma is one of the leading malignancies in Thailand increasingly prevalent in the female population. Fine-needle aspiration (FNA) cytology is a widely used diagnostic tool for evaluation of thyroid nodules and thyroid cancer. Thyroid FNA is a routine procedure universally performed in Thai hospitals by a variety of clinical specialists. Manual guidance is the first-line choice complemented by ultrasound assistance in selected cases. Despite national guidelines recommendations, the diagnostic criteria and terminology of the Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) was slowly adopted in the local settings...
November 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29161683/out-of-the-blue-finger-ischaemia-and-occult-colorectal-cancer
#2
Ami Schattner
A woman aged 66 years with a history of unprovoked deep venous thrombosis (DVT) presented with persistent digital ischaemic changes of 2 of her right hand fingers. Physical examination was otherwise normal and extensive laboratory and imaging studies were unremarkable. A history of unprovoked DVT and the current episode of digital ischaemia prompted concern for underlying occult malignancy. Repeated history-taking revealed a strongly positive family history suggesting an occult colorectal cancer. Colonoscopy with biopsy revealed adenocarcinoma...
March 8, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29161666/genetic-variants-and-acute-kidney-injury-a-review-of-the-literature
#3
REVIEW
Daniel B Larach, Milo C Engoren, Ellen M Schmidt, Michael Heung
PURPOSE: Limited data exists on potential genetic contributors to acute kidney injury. This review examines current knowledge of AKI genomics. MATERIALS AND METHODS: 32 studies were selected from PubMed and GWAS Catalog queries for original data studies of human AKI genetics. Hand search of references identified 3 additional manuscripts. RESULTS: 33 of 35 studies were hypothesis-driven investigations of candidate polymorphisms that either did not consistently replicate statistically significant findings, or obtained significant results only in few small-scale studies...
November 13, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/29161638/to-what-extent-do-structural-changes-in-catalytic-metal-sites-affect-enzyme-function
#4
Yana Valasatava, Antonio Rosato, Nicholas Furnham, Janet M Thornton, Claudia Andreini
About half of known enzymatic reactions involve metals. Enzymes belonging to the same superfamily often evolve to catalyze different reactions on the same structural scaffold. The work presented here investigates how functional differentiation, within superfamilies that contain metalloenzymes, relates to structural changes at the catalytic metal site. In general, when the catalytic metal site is unchanged across the enzymes of a superfamily, the functional differentiation within the superfamily tends to be low and the mechanism conserved...
November 8, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/29161628/stigma-accounts-for-depression-in-patients-with-epilepsy
#5
Zerrin Yıldırım, Devrimsel Harika Ertem, Ayten Ceyhan Dirican, Sevim Baybaş
OBJECTIVE: Epilepsy is a chronic disease with an increased risk of stigmatization due to psychosocial consequences of the seizures. Intuitively, one may well conclude that stigmatization would lead to depression in patients with epilepsy as well as in other patient groups with increased risk of stigmatization. Indeed, there are a few studies in support of this intuition. In this study, we aimed to investigate the relationship between level of stigmatization and the severity of the depressive symptoms in our patients with epilepsy...
November 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29161614/changes-of-lumbar-posture-and-tissue-loading-during-static-trunk-bending
#6
Faisal Alessa, Xiaopeng Ning
Static trunk bending is an occupational risk factor for lower back pain (LBP). When assessing relative short duration trunk bending tasks, existing studies mostly assumed unchanged spine biomechanical responses during task performance. The purpose of the current study was to assess the biomechanical changes of lumbar spine during the performance of relatively short duration, sustained trunk bending tasks. Fifteen participants performed 40-s static trunk bending tasks in two different trunk angles (30° or 60°) with two different hand load levels (0 or 6...
November 18, 2017: Human Movement Science
https://www.readbyqxmd.com/read/29161306/comparison-of-methods-for-determining-the-effectiveness-of-antibacterial-functionalized-textiles
#7
Hajo Haase, Lisa Jordan, Laura Keitel, Claudia Keil, Boris Mahltig
Antimicrobial functionalization of textiles is important for various applications, such as protection of textile materials from decomposition, generation of more effective wound dressings, and the prevention of infections or malodors resulting from bacterial growth. In order to test the efficacy of new products, their antibacterial activity needs to be evaluated. At present, several different procedures are being used for this purpose, hindering comparisons among different studies. The present paper compares five of these assays using a sample panel of different textiles functionalized with copper (Cu) and silver (Ag) as antibacterial agents, and discusses the suitability of these methods for different analytical requirements...
2017: PloS One
https://www.readbyqxmd.com/read/29161264/proprioceptive-assessment-in-clinical-settings-evaluation-of-joint-position-sense-in-upper-limb-post-stroke-using-a-robotic-manipulator
#8
Sara Contu, Asif Hussain, Simone Kager, Aamani Budhota, Vishwanath A Deshmukh, Christopher W K Kuah, Lester H L Yam, Liming Xiang, Karen S G Chua, Lorenzo Masia, Domenico Campolo
Proprioception is a critical component for motor functions and directly affects motor learning after neurological injuries. Conventional methods for its assessment are generally ordinal in nature and hence lack sensitivity. Robotic devices designed to promote sensorimotor learning can potentially provide quantitative precise, accurate, and reliable assessments of sensory impairments. In this paper, we investigate the clinical applicability and validity of using a planar 2 degrees of freedom robot to quantitatively assess proprioceptive deficits in post-stroke participants...
2017: PloS One
https://www.readbyqxmd.com/read/29161253/mutualism-in-museums-a-model-for-engaging-undergraduates-in-biodiversity-science
#9
Anna E Hiller, Carla Cicero, Monica J Albe, Theresa L W Barclay, Carol L Spencer, Michelle S Koo, Rauri C K Bowie, Eileen A Lacey
Museums have an untapped potential to engage students in hands-on learning. Here, we describe the development of a tiered museum-based program at the University of California, Berkeley as a model for engaging undergraduates in biodiversity science. This decade-long effort to increase student participation in collections demonstrates the mutual benefits of undergraduate involvement. Museums benefit from critical help in collections care and an increased intellectual vitality, while students simultaneously gain essential research skills and an unparalleled exposure to biodiversity...
November 21, 2017: PLoS Biology
https://www.readbyqxmd.com/read/29161227/motor-skill-learning-and-the-development-of-visual-perception-processes-supporting-action-identification
#10
Inchon Park, John J Buchanan
This study examined physical training and observational training influences on motor learning and the development of visual discrimination processes. Participants were trained on a bimanual task (relative phase of +90°) defined by a visual training stimulus. There were 2 observational contexts: 1) model-only, watch a learning model, and 2) stimulus-only, watch the visual training stimulus. After 2 d of training, the learning models performed the +90° pattern with reduced error in 2 retention tests. Each observer group showed improvement in performance of the +90° pattern, with the stimulus-only group characterized by a more significant improvement...
November 21, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/29161154/effects-of-gloves-and-pulling-task-on-achievable-downward-pull-forces-on-a-rung
#11
Kurt E Beschorner, Gregory P Slota, Erika M Pliner, Egli Spaho, Na Jin Seo
Objective We examined the impacts of pulling task (breakaway and pull-down tasks at different postures), glove use, and their interaction on achievable downward pull forces from a ladder rung. Background Posture, glove use, and the type of pulling task are known to affect the achievable forces. However, a gap in the literature exists regarding how these factors affect achievable downward pulling forces, which are relevant to recovery from a perturbation during ladder climbing. Methods Forty subjects completed four downward pulling tasks (breakaway force; pull force at maximum height, shoulder height, and a middle height), using three glove conditions with varying coefficient of friction (COF) levels (cotton glove, low COF; bare hand, moderate COF; and latex-coated glove, high COF) with their dominant and nondominant hand...
November 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29161090/pathophysiology-to-phenotype-in-the-asthma-of-obesity
#12
Jason H T Bates, Matthew E Poynter, Christa M Frodella, Ubong Peters, Anne E Dixon, Benjamin T Suratt
Obesity affects numerous diseases, including asthma, for reasons that remain incompletely understood. Recent research suggests that the asthma of obesity is not a single disease, and that it breaks out into at least two distinct phenotypes. One phenotype is conventional allergic asthma modulated by obesity, whereas another arises solely due to the presence of obesity. The latter is postulated to be a consequence of the chronic lung compression caused by the obese chest wall in individuals with particularly collapsible lungs...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29161079/a-new-frontier-in-immunometabolism-cholesterol-in-lung-health-and-disease
#13
Michael B Fessler
The lung has a unique relationship to cholesterol that is shaped by its singular physiology. On the one hand, the lungs receive the full cardiac output and have a predominant dependence on plasma lipoprotein uptake for their cholesterol supply. On the other hand, surfactant lipids, including cholesterol, are continually susceptible to oxidation owing to direct environmental exposure and must be cleared or recycled because of the very narrow biophysical mandates placed upon surfactant lipid composition. Interestingly, increased lipid-laden macrophage "foam cells" have been noted in a wide range of human lung pathologies...
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29160777/motion-compensation-with-skin-contact-control-for-high-intensity-focused-ultrasound-surgery-in-moving-organs
#14
Alessandro Diodato, Andrea Cafarelli, Andrea Schiappacasse, Selene Tognarelli, Gastone C Ciuti, Arianna Menciassi
High Intensity Focused Ultrasound (HIFU) is an emerging therapeutic solution that enables non-invasive treatment of several pathologies, mainly in oncology. On the other hand, accurate targeting of moving abdominal organs (e.g., liver, kidney, pancreas) is still an open challenge. This paper proposes a novel method to compensate the physiological respiratory motion of organs during HIFU procedures, by exploiting a robotic platform for ultrasound-guided HIFU surgery provided with a therapeutic annular phased array transducer...
November 21, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29160728/selection-of-amino-acid-chirality-via-neutrino-interactions-with-14-n-in-crossed-electric-and-magnetic-fields
#15
Michael A Famiano, Richard N Boyd, Toshitaka Kajino, Takashi Onaka
Previous work has suggested that the chirality of the amino acids could be established in the magnetic field of a nascent neutron star from a core-collapse supernova or massive collapsar. The magnetic field would orient the (14)N nuclei, and the alignment of its nuclear spin with respect to those of the electron antineutrinos emitted from the collapsing star would determine the probability of destruction of the (14)N nuclei by interactions with the antineutrinos. Subsequent work estimated the bulk polarization of the (14)N nuclei in large rotating meteoroids in such an environment...
November 21, 2017: Astrobiology
https://www.readbyqxmd.com/read/29160707/molecular-structure-inhibiting-synergism-in-charged-surfactant-mixtures-an-atomistic-molecular-dynamics-simulation-study
#16
Gözde Ergin, Mária Lbadaoui-Darvas, Satoshi Takahama
Synergistic and non-synergistic surfactant-water mixtures of sodium dodecyl sulfate (SDS), lauryl betaine (C12B) and cocoamidopropyl betaine (CAPB) systems are studied using molecular simulation to understand the role of interactions among headgroups, tailgroups, and water on structural and thermodynamic properties at the air-water interface. SDS is an anionic surfactant while C12B and CAPB are zwitterionic; CAPB differs from C12B by an amide group in the tail. While the lowest surface tensions at high surface concentrations in the SDS-C12B synergistic system could not be reproduced by simulation, estimated partitioning between surface and bulk show trends consistent with synergism...
November 21, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29160504/nasal-carriage-rate-of-methicillin-resistant-staphylococcus-aureus-among-iranian-healthcare-workers-a-systematic-review-and-meta-analysis
#17
Mohammad Emaneini, Fereshteh Jabalameli, Hosseinali Rahdar, Willem B van Leeuwen, Reza Beigverdi
Globally, methicillin-resistant Staphylococcus aureus (MRSA) remains a major cause of healthcare-associated infections. Healthcare workers (HCWs), patients and the environment may act as reservoirs for the spread of MRSA to patients and other HCWs. Screening and eradication of MRSA colonization is an effective method of reducing the MRSA infection rate. There are limited data on the prevalence of MRSA among Iranian HCWs. We performed a systematic search by using different electronic databases including Medline (via PubMed), Embase, Web of Science, and Iranian Databases (from January 2000 to July 2016)...
September 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/29160397/mechanical-preparation-showed-superior-shaping-ability-than-manual-technique-in-primary-molars-a-micro-computed-tomography-study
#18
Lídia Regina da Costa Hidalgo, Léa Assed Bezerra da Silva, Graziela Bianchi Leoni, Jardel Francisco Mazzi-Chaves, Emily Eduardo da Silva Carvalho, Alberto Consolaro, Manoel Damião Sousa-Neto
The aim of the study was to evaluate canal preparation in primary molars with hand files, ProTaper Next and Self-Adjusting File (SAF) by 2D and 3D micro-computed tomography (micro-CT) analysis. Canals of 24 primary molars were prepared with hand files (HF), ProTaper Next (PTN) and SAF (n=8/group). The teeth were scanned before and after root canal preparation and the pre- and postoperative micro-CT images were reconstructed. Changes in 2D (area, perimeter, roundness, minor and major diameter) and 3D [volume, surface area, structure model index (SMI)] morphological parameters, as well as canal transportation and lateral perforations were evaluated (Kruskal-Wallis and ANOVA; a=0...
July 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29160372/an-experimental-study-of-ascorbic-acid-effects-in-acute-renal-failure-under-general-anesthesia
#19
Omur Ozturk, Sefer Ustebay, Huseyin Avni Eroglu, Murat Günay, Yasemen Adali, İlksen Donmez, Mesut Erbas
PURPOSE: To evaluate the preventive effect of ascorbic acid on sevoflurane-induced acute renal failure in an experimental rat model. METHODS: Twenty-four adult male Wistar rats were randomly distributed into three groups. Subjects were allocated into 3 groups: Group I received sevoflurane only, whereas Groups II and III had moderate (150 mg/kg) and high (300 mg/kg) doses of AA in addition to sevoflurane, respectively. Rhabdomyolysis and myohemoglobinuric ARF was formed by intramuscular administration of glycerol on the upper hind limb on the 15th minute of inhalation anesthesia...
October 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29160345/influence-of-the-cranial-base-flexion-on-class-i-ii-and-iii-malocclusions-a-systematic-review
#20
Kélei Cristina Mathias de Almeida, Taísa Boamorte Raveli, Camila Ivini Viana Vieira, Ary Dos Santos-Pinto, Dirceu Barnabé Raveli
OBJECTIVE: The aim of this study was to perform a systematic review on the morphological characteristics of the skull base (flexion, anterior length and posterior length) and the concomitant development of malocclusions, by comparing differences in dimorphism, ethnicity and age. METHODS: The articles were selected by means of electronic search on BBO, MEDLINE and LILACS databases from 1966 to 2016. A qualitative evaluation of the methodologies used on the articles was also performed...
September 2017: Dental Press Journal of Orthodontics
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