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https://www.readbyqxmd.com/read/28108979/analysis-of-stress-only-imaging-comparing-upright-and-supine-czt-camera-acquisition-to-conventional-gamma-camera-images-with-and-without-attenuation-correction-with-coronary-angiography-as-a-reference
#1
Zenith A Jameria, Mouhamad Abdallah, Mariano Fernandez-Ulloa, Robert O'Donnell, Alok K Dwivedi, Erica Washburn, Naseer Khan, Mahyar Khaleghi, Nischelle Kalakota, Myron C Gerson
BACKGROUND: Diagnostic performance of stress-only imaging using a Cadmium-Zinc-Telluride (CZT) camera has not been directly compared in the same patients to stress-only attenuation-corrected conventional Anger camera images. METHODS: 112 subjects with correlative coronary angiographic data and 40 subjects with <5% pre-test likelihood of coronary disease completed attenuation-corrected stress-only images on a conventional Anger camera and uncorrected upright and supine stress images on a CZT camera...
January 20, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28108929/jaboya-sex-for-fish-a-qualitative-analysis-of-contextual-risk-factors-for-extramarital-partnerships-in-the-fishing-communities-in-western-kenya
#2
Zachary A Kwena, Chris A Shisanya, Elizabeth A Bukusi, Janet M Turan, Shari L Dworkin, Grace A Rota, Isaac J Mwanzo
Extramarital partnerships exacerbate high HIV prevalence rates in many communities in sub-Saharan Africa. We explored contextual risk factors and suggested interventions to reduce extramarital partnerships among couples in the fishing communities on Lake Victoria, Kenya. We conducted 12 focus group discussions with 9-10 participants each (N = 118) and 16 in-depth interviews (N = 16) with fishermen and their spouses. Couples who participated were consented and separated for simultaneous gender-matched discussions/interviews...
January 20, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28108881/diagnostic-performance-of-point-of-care-ultrasonography-in-identifying-the-etiology-of-respiratory-distress-in-neonates
#3
Harish Rachuri, Tejo Pratap Oleti, Srinivas Murki, Sreeram Subramanian, Jayalatha Nethagani
OBJECTIVES: To determine the diagnostic test performance of Point of care ultrasonography (PoC-USG) for identifying the etiology of respiratory distress (RD) in neonates when combination of radiological and clinical criteria is considered as the gold standard. METHODS: A neonate was included in the study if he/she had RD and underwent x-ray chest and ultrasound within 4 h of admission and the age was less than 24 h. The neonates admitted with non-respiratory illness were chosen as controls...
January 21, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28108880/unusual-signal-patterns-of-break-apart-fish-probes-used-in-the-diagnosis-of-soft-tissue-sarcomas
#4
Gergő Papp, Dóra Mihály, Zoltán Sápi
Break-apart FISH probes are the most popular and reliable type of FISH probes used to confirm certain pathological diagnoses. The interpretation is usually easy, however, in some instances it is not so unequivocal. Our aim was to reveal and elucidate the problems occurring in the process of evaluation of the break-apart probe results. Altogether 301 soft tissue sarcomas with confirmed molecular tests using break-apart probes were assessed to reveal the frequency and type of unusual signal pattern. Among 89 synovial sarcoma (SS18) 11%, 12 alveolar rhabdomyosarcoma (FOXO1) 50%, 53 myxoid liposarcoma (DDIT3) 7...
January 20, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28108747/national-guidelines-for-smoking-cessation-in-primary-care-a-literature-review-and-evidence-analysis
#5
Marjolein Verbiest, Evelyn Brakema, Rianne van der Kleij, Kate Sheals, Georgia Allistone, Siân Williams, Andy McEwen, Niels Chavannes
: National guidelines for smoking cessation in primary care can be effective in improving clinical practice. This study assessed which parties are involved in the development of such guidelines worldwide, which national guidelines address primary care, what recommendations are made for primary care settings, and how these recommendations correlate with each other and with current evidence. We identified national guidelines using an online resource. Only the most recent version of a guideline was included...
December 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28108669/developmental-differences-in-dynamic-muscle-tendon-behavior-implications-for-movement-efficiency
#6
C M Waugh, T Korff, A J Blazevich
Children perform cyclic motor tasks less efficiently than adults, however the mechanisms underlying such differences are not fully understood. One mechanism that may contribute these age-related differences is a differential contribution of muscles and tendons to a given muscle tendon unit (MTU) excursion. The aims of this study were to a) compare muscle and tendon excursion between children and adults performing vertical hopping, and b) determine if children and adults choose a hopping frequency that maximizes movement efficiency, based on the utilization of energy-saving mechanisms...
January 20, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28108666/antibiotic-induced-elevations-of-plasma-bile-acids-in-rats-independent-of-bsep-inhibition
#7
Yutai Li, Michael J Hafey, Hong Duong, Raymond Evers, Kyeongmi Cheon, Daniel J Holder, Alema Galijatovic-Idrizbegovic, Frank D Sistare, Warren E Glaab
Drug-induced liver injury (DILI) is a common toxicity observed in drug development and can lead to withdrawal of approved drugs from the market. To better understand the numerous mechanisms of DILI, recent efforts have focused on transporter inhibition, specifically liver canalicular bile salt export pump (Bsep) as one mechanism of DILI, and on the potential use of plasma bile acids as monitorable mechanism-based biomarkers of Bsep inhibition. To explore alternative mechanisms of bile acid increases in plasma, six antibiotic and two non-antibiotic drugs unlikely to be Bsep inhibitors were evaluated in rat studies...
January 20, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28108658/computational-approach-for-deriving-cancer-progression-roadmaps-from-static-sample-data
#8
Yijun Sun, Jin Yao, Le Yang, Runpu Chen, Norma J Nowak, Steve Goodison
As with any biological process, cancer development is inherently dynamic. While major efforts continue to catalog the genomic events associated with human cancer, it remains difficult to interpret and extrapolate the accumulating data to provide insights into the dynamic aspects of the disease. Here, we present a computational strategy that enables the construction of a cancer progression model using static tumor sample data. The developed approach overcame many technical limitations of existing methods. Application of the approach to breast cancer data revealed a linear, branching model with two distinct trajectories for malignant progression...
January 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28108506/biomarker-dynamics-in-b-cell-lymphoma-a-longitudinal-prospective-study-of-plasma-samples-up-to-25-years-before-diagnosis
#9
Florentin Späth, Carl Wibom, Esmeralda J M Krop, Ann-Sofie Johansson, Ingvar A Bergdahl, Roel Vermeulen, Beatrice Melin
The B-cell activation markers CXCL13, sCD23, sCD27, and sCD30 are associated with future lymphoma risk. However, a lack of information about the individual dynamics of marker-disease association hampers interpretation. In this study, we identified 170 individuals who had donated two pre-diagnostic blood samples before B-cell lymphoma diagnosis, along with 170 matched cancer-free controls from the Northern Sweden Health and Disease Study. Lymphoma risk associations were investigated by subtype and marker levels measured at baseline, at the time of the repeated sample, and with the rate of change in the marker level...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28108479/study-of-optimal-perimetric-testing-in-children-optic-development-and-feasibility-of-the-kinetic-perimetry-reliability-measure-kprm
#10
Dipesh E Patel, Ananth C Viswanathan, David Garway-Heath, Phillippa M Cumberland, Bronwen C Walters, Isabelle Russell-Eggitt, Mario Cortina-Borja, Jugnoo S Rahi
INTRODUCTION: Interpretation of perimetric findings, particularly in children, relies on accurate assessment of test reliability, yet no objective measures of reliability exist for kinetic perimetry. We developed the kinetic perimetry reliability measure (KPRM), a quantitative measure of perimetric test reproducibility/reliability and report here its feasibility and association with subjective assessment of reliability. METHODS: Children aged 5-15 years, without an ophthalmic condition that affects the visual field, were recruited from Moorfields Eye Hospital and underwent Goldmann perimetry as part of a wider research programme on perimetry in children...
February 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28108423/isolated-transverse-process-fractures-a-systematic-analysis
#11
REVIEW
Daniel T Nagasawa, Timothy T Bui, Carlito Lagman, Seung J Lee, Lawrance K Chung, Tianyi Niu, Alexander Tucker, Bilwaj Gaonkar, Isaac Yang, Luke Macyszyn
OBJECTIVE: To review the literature on isolated transverse process fractures (ITPFs) and provide evidence for and validate the current practice of conservative management. METHODS: The PubMed database was searched for published literature related to ITPFs. Baseline patient (age, sex, presentation, mechanism of injury) and fracture (number of fractures, level, single or multi-segmental) characteristics were extracted. Management, and outcomes were also recorded. Statistical comparisons were ascertained through N-1 Pearson Chi-squared tests...
January 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28108380/the-taste-of-heat-how-humoral-qualities-act-as-a-cultural-filter-for-chemosensory-properties-guiding-herbal-medicine
#12
Matthias S Geck, Stefano Cabras, Laura Casu, Alberto J Reyes García, Marco Leonti
ETHNOPHARMACOLOGICAL RELEVANCE: Organoleptic properties, and more specifically chemosensory cues, have been shown to guide therapeutic applications of medicinal plants. Humoral qualities, on the other hand, are widely believed to be an abstract concept, mainly applied post hoc to validate therapy. However, the nexus between humoral qualities, chemosensory properties, and medicinal plant uses has never been systematically assessed. AIM OF THE STUDY: To systematically analyse the correlations between chemosensory properties, humoral qualities, and medicinal uses of selected botanical drugs...
January 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28108333/determining-activity-count-cut-points-for-measurement-of-physical-activity-using-the-actiwatch2-accelerometer
#13
Sarah E Neil-Sztramko, Bolette Skjødt Rafn, Carolyn C Gotay, Kristin L Campbell
STUDY OBJECTIVES: Sleep and physical activity are important contributions to many aspects of health. Obtaining accurate, objective measures of both behaviours is critical to health research. The Actiwatch2 is a wrist-worn sleep-monitoring device that has the potential to measure physical activity. Currently, interpretation of the Actiwatch2 physical activity data is limited by a lack of published thresholds for interpreting exercise intensity. This limits the ability to collect information on both behaviours simultaneously using one monitor...
January 17, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28108182/marine-bacterioplankton-seasonal-succession-dynamics
#14
REVIEW
Carina Bunse, Jarone Pinhassi
Bacterioplankton (bacteria and archaea) are indispensable regulators of global element cycles owing to their unique ability to decompose and remineralize dissolved organic matter. These microorganisms in surface waters worldwide exhibit pronounced seasonal succession patterns, governed by physicochemical factors (e.g., light, climate, and nutrient loading) that are determined by latitude and distance to shore. Moreover, we emphasize that the effects of large-scale factors are modulated regionally, and over shorter timespans (days to weeks), by biological interactions including molecule exchanges, viral lysis, and grazing...
January 17, 2017: Trends in Microbiology
https://www.readbyqxmd.com/read/28108144/postmortem-in-vitro-ethanol-production-it-could-be-more-common-than-we-think
#15
Maria José Quintas, Pedro Costa, Paula Melo, André Castro, João Miguel Franco, Helena M Teixeira
The blood alcohol concentration (BAC) is the most frequent determination in a Forensic Toxicology Laboratory. Despite its apparent simplicity, the results interpretation can be complex and always have relevant social and legal implications, particularly in postmortem analysis. In the present report we describe the case of a 55-year-old male with an apparent natural death by myocardial infarction, whose initial BAC was 0.18g/L but, in repeated determinations prompted by discrepancies observed in the first two, it rapidly increased to 0...
January 5, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28108073/reference-control-data-obtained-from-an-in-vivo-comet-micronucleus-combination-assay-using-sprague-dawley-rats
#16
Sawako Kasamoto, Shoji Masumori, Jin Tanaka, Maya Ueda, Masahito Fukumuro, Miho Nagai, Jyoji Yamate, Makoto Hayashi
According to the International Conference on Harmonization Guidance on Genotoxicity Testing and Data Interpretation for Pharmaceuticals Intended for Human Use (ICH S2(R1)), a positive response in any in vitro assay necessitates additional in vivo test(s) (other tissue/endpoint) in addition to the erythrocyte micronucleus test when Option 1 of the test battery is selected. When Option 2 of the test battery is selected, a bacterial gene mutation test and two in vivo tests with different tissues/endpoint are required...
January 17, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28108057/bani-polymorphism-of-cytosolic-phospholipase-a2-gene-and-somatic-symptoms-in-medication-free-acute-depressed-patients
#17
Jane Pei-Chen Chang, Ta-Wei Guu, Yi-Chih Chen, Piotr Gałecki, Anna Walczewska, Kuan-Pin Su
Somatic symptoms are commonly seen in patients with major depressive disorder (MDD) and might be associated with inflammatory activation. Cytosolic phospholipase A2 (cPLA2) and cyclo-oxygenase-2 (COX-2) are the key enzymes in the metabolism of polyunsaturated fatty acids (PUFAs), which in turn may play an important role in inflammation and somatic symptoms in depression. This study investigated the effects of BanI polymorphism of cPLA2 gene and COX-2 rs4648308 genotypes on somatic symptoms and inflammatory marker in patients with MDD...
January 4, 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28107870/identifications-of-drug-resistance-mutations-among-antiretroviral-treatment-naive-hiv-1-patients-in-peninsular-malaysia
#18
Rozainanee Mohd Zain, Nabila Ibrahim, Suriani Ismail, Jeyanthi Suppiah, Nor Aziyah Mat Rahim, Ravindran Thayan
OBJECTIVE: To determine drug resistance mutations and the HIV-1 subtypes among antiretroviral treatment naive HIV-1 patients in Peninsular Malaysia. METHODS: A total of 45 samples from four hospitals that provide HIV viral load services were subjected to the amplification of the protease and two third of reverse transcriptase regions of the pol gene by RT-PCR and Sanger sequencing. Drug resistance mutation (DRM) interpretation reports the presence of mutations related to protease inhibitors (PIs), Nucleoside reverse-transcriptase inhibitors (NRTI) and Non-nucleoside reverse-transcriptase inhibitors (NNRTI) based on analysis using Stanford HIV database program...
January 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28107822/does-training-improve-diagnostic-accuracy-and-inter-rater-agreement-in-applying-the-berlin-radiographic-definition-of-acute-respiratory-distress-syndrome-a-multicenter-prospective-study
#19
Jin-Min Peng, Chuan-Yun Qian, Xiang-You Yu, Ming-Yan Zhao, Shu-Sheng Li, Xiao-Chun Ma, Yan Kang, Fa-Chun Zhou, Zhen-Yang He, Tie-He Qin, Yong-Jie Yin, Li Jiang, Zhen-Jie Hu, Ren-Hua Sun, Jian-Dong Lin, Tong Li, Da-Wei Wu, You-Zhong An, Yu-Hang Ai, Li-Hua Zhou, Xiang-Yuan Cao, Xi-Jing Zhang, Rong-Qing Sun, Er-Zhen Chen, Bin Du
BACKGROUND: Poor inter-rater reliability in chest radiograph interpretation has been reported in the context of acute respiratory distress syndrome (ARDS), although not for the Berlin definition of ARDS. We sought to examine the effect of training material on the accuracy and consistency of intensivists' chest radiograph interpretations for ARDS diagnosis. METHODS: We conducted a rater agreement study in which 286 intensivists (residents 41.3%, junior attending physicians 35...
January 20, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28107812/tissue-resolved-gene-structure-refined-equine-transcriptome
#20
T A Mansour, E Y Scott, C J Finno, R R Bellone, M J Mienaltowski, M C Penedo, P J Ross, S J Valberg, J D Murray, C T Brown
BACKGROUND: Transcriptome interpretation relies on a good-quality reference transcriptome for accurate quantification of gene expression as well as functional analysis of genetic variants. The current annotation of the horse genome lacks the specificity and sensitivity necessary to assess gene expression especially at the isoform level, and suffers from insufficient annotation of untranslated regions (UTR) usage. We built an annotation pipeline for horse and used it to integrate 1.9 billion reads from multiple RNA-seq data sets into a new refined transcriptome...
January 20, 2017: BMC Genomics
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