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https://www.readbyqxmd.com/read/29322929/ontology-based-systematic-representation-and-analysis-of-traditional-chinese-drugs-against-rheumatism
#1
Qingping Liu, Jiahao Wang, Yan Zhu, Yongqun He
BACKGROUND: Rheumatism represents any disease condition marked with inflammation and pain in the joints, muscles, or connective tissues. Many traditional Chinese drugs have been used for a long time to treat rheumatism. However, a comprehensive information source for these drugs is still missing, and their anti-rheumatism mechanisms remain unclear. An ontology for anti-rheumatism traditional Chinese drugs would strongly support the representation, analysis, and understanding of these drugs...
December 21, 2017: BMC Systems Biology
https://www.readbyqxmd.com/read/29282350/assessment-tools-for-use-in-patients-with-m%C3%A3-ni%C3%A3-re-disease-an-update
#2
Andrea Ciorba, Piotr Henryk Skarżyński, Virginia Corazzi, Chiara Bianchini, Claudia Aimoni, Stavros Hatzopoulos
A number of electrophysiological tests have been proposed for the initial diagnostic assessment or for the follow-up phase of patients affected by Ménière disease. The most common are: (i) vestibular evoked myogenic potentials (VEMPs); (ii) electrocochleography (ECochG); and (iii) otoacoustic emissions (OAEs). This paper presents the latest clinical developments with these 3 testing modalities. The PubMed, Embase, and Cinahl databases were searched from 2006 to December 2016. Full-text articles were obtained in cases where the title, abstract, or key words suggested that the study may be eligible for this review...
December 28, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29273792/timing-and-pacing-of-the-late-devonian-mass-extinction-event-regulated-by-eccentricity-and-obliquity
#3
David De Vleeschouwer, Anne-Christine Da Silva, Matthias Sinnesael, Daizhao Chen, James E Day, Michael T Whalen, Zenghui Guo, Philippe Claeys
The Late Devonian envelops one of Earth's big five mass extinction events at the Frasnian-Famennian boundary (374 Ma). Environmental change across the extinction severely affected Devonian reef-builders, besides many other forms of marine life. Yet, cause-and-effect chains leading to the extinction remain poorly constrained as Late Devonian stratigraphy is poorly resolved, compared to younger cataclysmic intervals. In this study we present a global orbitally calibrated chronology across this momentous interval, applying cyclostratigraphic techniques...
December 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/29236273/prognosticating-hearing-outcome-in-patients-with-idiopathic-sudden-sensorineural-hearing-loss-by-means-of-otoacoustic-emissions-and-auditory-brainstem-response
#4
Masoud Motasaddi Zarandy, Mohammad Taghi Ashtiani, Shahin Bastaninejad, Sasan Dabiri Satri, Sevil Nasirmohtaram, Nourullah Agha Ebrahimi
This is an analytic-descriptive study, parallel with a randomized, controlled trial performed at Amir'Alam Hospital, a tertiary referral center, with the aim of evaluating the correlation between otoacoustic emission (OAE) and auditory brainstem response (ABR) findings with hearing outcome after treatment of idiopathic sudden sensorineural hearing loss (SSNHL). Sixty patients with idiopathic SSNHL who presented to the emergency services and otology clinics between 2012 and 2014, and whose symptoms had begun <10 days previously, enrolled in this study...
December 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/29224768/newborn-hearing-screening-failure-and-maternal-factors-during-pregnancy
#5
Yehuda Schwarz, Gabriel N Kaufman, Sam J Daniel
OBJECTIVE: Temporary conductive hearing loss due to amniotic fluid accumulation in the middle ear cavity may lead to failure (false positive) in newborn hearing screening tests. The aim of this study was to identify whether amniotic fluid index has association with failure of the initial newborn otoacoustic emission (OAE) screening test. METHODS: A cohort study in a tertiary hospital center (Royal Victoria Hospital, Montréal) was constructed from 70 newborns that failed the OAE test, but passed a subsequent auditory brainstem response (ABR) test, and 75 randomly selected newborns that passed initial otoacoustic emission testing...
December 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29222679/-objective-audiometry-and-clinical-application
#6
M Cebulla, D Ehrmann-Müller, W Shehata-Dieler
Subjective and objective hearing tests are used for evaluation of hearing impairments. Objective methods include impedance measurement with tympanometry and stapedius reflex measurement, otoacoustic emissions (OAE), and auditory evoked potentials (AEP). Combined with statistical analysis, the introduction of auditory steady state responses (ASSR) has enabled objective hearing tests in newborn hearing screening and automated hearing threshold assessment. The type and degree of hearing loss can be determined using the abovementioned methods...
December 8, 2017: HNO
https://www.readbyqxmd.com/read/29195446/a-common-microstructure-in-behavioral-hearing-thresholds-and-stimulus-frequency-otoacoustic-emissions
#7
James B Dewey, Sumitrajit Dhar
Behavioral hearing thresholds and otoacoustic emission (OAE) spectra often exhibit quasiperiodic fluctuations with frequency. For behavioral and OAE responses to single tones-the latter referred to as stimulus-frequency otoacoustic emissions (SFOAEs)-this microstructure has been attributed to intracochlear reflections of SFOAE energy between its region of generation and the middle ear boundary. However, the relationship between behavioral and SFOAE microstructures, as well as their presumed dependence on the properties of the SFOAE-generation mechanism, have yet to be adequately examined...
November 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/29170576/early-jurassic-diversification-of-pycnodontiform-fishes-actinopterygii-neopterygii-after-the-end-triassic-extinction-event-evidence-from-a-new-genus-and-species-grimmenodon-aureum
#8
Sebastian Stumpf, Jörg Ansorge, Cathrin Pfaff, Jürgen Kriwet
A new genus and species of pycnodontiform fishes, Grimmenodon aureum, from marginal marine, marine-brackish lower Toarcian (Harpoceras exaratum ammonite subzone) clay deposits of Grimmen in northeastern Germany is described. The single specimen represents a diagnostic left prearticular dentition characterized by unique tooth arrangement and ornamentation patterns. Grimmenodon aureum, gen. et sp. nov., is the second unambiguously identified pycnodontiform species from the Early Jurassic, in addition to Eomesodon liassicus from the early Lower Jurassic of western Europe...
July 4, 2017: Journal of Vertebrate Paleontology
https://www.readbyqxmd.com/read/29134475/synchronized-spontaneous-otoacoustic-emissions-provide-a-signal-to-noise-ratio-advantage-in-medial-olivocochlear-reflex-assays
#9
James D Lewis
Detection of medial olivocochlear-induced (MOC) changes to transient-evoked otoacoustic emissions (TEOAE) requires high signal-to-noise ratios (SNR). TEOAEs associated with synchronized spontaneous (SS) OAEs exhibit higher SNRs than TEOAEs in the absence of SSOAEs, potentially making the former well suited for MOC assays. Although SSOAEs may complicate interpretation of MOC-induced changes to TEOAE latency, recent work suggests SSOAEs are not a problem in non-latency-dependent MOC assays. The current work examined the potential benefit of SSOAEs in TEOAE-based assays of the MOC efferents...
November 13, 2017: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/29118228/do-published-data-in-trials-assessing-cancer-drugs-reflect-the-real-picture-of-efficacy-and-safety
#10
Jia-Wei Lv, Yu-Pei Chen, Guan-Qun Zhou, Xu Liu, Ying Guo, Yan-Ping Mao, Jun Ma, Ying Sun
Background: The reporting quality of publications is of vital importance to ensure accurate evidence dissemination. This study aimed to compare the consistency of results reporting between the ClinicalTrials.gov results database and the respective matching publications. Methods: We identified 323 phase III/IV cancer drug trials with a randomized controlled design and searched PubMed for publications in a 50% random sample (n=160). Data were extracted independently from ClinicalTrials.gov and publications. A scoring system was applied to determine characteristics associated with reporting quality...
November 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29061976/ontology-based-systematical-representation-and-drug-class-effect-analysis-of-package-insert-reported-adverse-events-associated-with-cardiovascular-drugs-used-in-china
#11
Liwei Wang, Mei Li, Jiangan Xie, Yuying Cao, Hongfang Liu, Yongqun He
With increased usage of cardiovascular drugs (CVDs) for treating cardiovascular diseases, it is important to analyze CVD-associated adverse events (AEs). In this study, we systematically collected package insert-reported AEs associated with CVDs used in China, and developed and analyzed an Ontology of Cardiovascular Drug AEs (OCVDAE). Extending the Ontology of AEs (OAE) and NDF-RT, OCVDAE includes 194 CVDs, CVD ingredients, mechanisms of actions (MoAs), and CVD-associated 736 AEs. An AE-specific drug class effect is defined to exist when all the drugs (drug chemical ingredients or drug products) in a drug class are associated with an AE, which is formulated as a new proportional class level ratio ("PCR") = 1...
October 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29058218/ontology-based-vaccine-adverse-event-representation-and-analysis
#12
Jiangan Xie, Yongqun He
Vaccine is the one of the greatest inventions of modern medicine that has contributed most to the relief of human misery and the exciting increase in life expectancy. In 1796, an English country physician, Edward Jenner, discovered that inoculating mankind with cowpox can protect them from smallpox (Riedel S, Edward Jenner and the history of smallpox and vaccination. Proceedings (Baylor University. Medical Center) 18(1):21, 2005). Based on the vaccination worldwide, we finally succeeded in the eradication of smallpox in 1977 (Henderson, Vaccine 29:D7-D9, 2011)...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29049619/field-monitoring-of-otoacoustic-emissions-during-noise-exposure-pilot-study-in-controlled-environment
#13
Vincent Nadon, Annelies Bockstael, Dick Botteldooren, Jérémie Voix
Purpose: In spite of all the efforts to implement workplace hearing conservation programs, noise-induced hearing loss remains the leading cause of disability for North American workers. Nonetheless, an individual's susceptibility to noise-induced hearing loss can be estimated by monitoring changes in hearing status in relation to the level of ambient noise exposure. The purpose of this study was to validate an approach that could improve workplace hearing conservation practices. The approach was developed using a portable and robust system designed for noisy environments and consisted of taking continuous measurements with high temporal resolution of the health status of the inner ear using otoacoustic emissions (OAEs)...
October 12, 2017: American Journal of Audiology
https://www.readbyqxmd.com/read/28938414/sex-and-tissue-specific-role-of-estrogen-sulfotransferase-in-energy-homeostasis-and-insulin-sensitivity
#14
Wojciech G Garbacz, Mengxi Jiang, Meishu Xu, Jun Yamauchi, H Henry Dong, Wen Xie
Estrogen sulfotransferase catalyzes the sulfoconjugation and deactivation of estrogens. Previously, we showed that loss of Est in male ob/ob mice, but not in female ob/ob mice, exacerbated the diabetic phenotype, but the underlying mechanism was unclear. In this study, we show that transgenic reconstitution of Est in the adipose tissue, but not in the liver, attenuated diabetic phenotype in Est-deficient ob/ob mice (obe mice). Mechanistically, adipose reconstitution of Est in obe mice (oae mice) resulted in reduced local and systemic inflammation, improved insulin sensitivity, and increased energy expenditure...
November 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28929058/universal-hearing-screening-in-newborns-using-otoacoustic-emissions-and-brainstem-evoked-response-in-eastern-uttar-pradesh
#15
Ashwini Kumar, S C Gupta, V R Sinha
The objectives were to determine the incidence of hearing impairment in a standardized population of neonates and to determine the significance of association of epidemiological and risk factors with neonatal hearing loss. A cohort of 600 newborns was selected for study and divided into two groups-525 in 'No Risk' group and remaining 75 in 'At Risk' group. The study protocol was carried out in three steps: (a) Screening of Hearing Loss with TOAE, done from 36 h after birth to 28 days of life, (b) Re-screening of hearing loss in newborns (of 4-12 weeks of age), who were tested positive for hearing loss in the first screening, done with DPOAE, (c) Confirmation of hearing loss with BERA, in those who were tested positive in both the first and second screening...
September 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28863614/towards-a-joint-reflection-distortion-otoacoustic-emission-profile-results-in-normal-and-impaired-ears
#16
Carolina Abdala, Radha Kalluri
Otoacoustic emissions (OAEs) provide salient information about cochlear function and dysfunction. Two broad classes of emissions, linear reflection and nonlinear distortion, arise via distinct cochlear processes and hence, appear to provide independent information about cochlear health and hearing. Considered in combination, these two OAE types may characterize sensory hearing loss most effectively. In this study, the level-dependent growth of stimulus-frequency OAEs (a reflection-type emission) and distortion-product OAEs (a distortion-type emission) were measured in ten normal-hearing ears and eight ears with slight-to-moderate sensorineural hearing loss...
August 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28855148/ivermectin-treatment-in-patients-with-onchocerciasis-associated-epilepsy-protocol-of-a-randomized-clinical-trial
#17
Robert Colebunders, Michel Mandro, Deby Mukendi, Housseini Dolo, Patrick Suykerbuyk, Marieke Van Oijen
BACKGROUND: Many studies have reported an association between epilepsy, nodding syndrome (NS), and onchocerciasis (river blindness). A high prevalence of epilepsy has been noted particularly in onchocerciasis hyperendemic areas where onchocerciasis is not or insufficiently controlled with mass ivermectin distribution. There is evidence that increasing the coverage of ivermectin reduces the incidence of epilepsy, and anecdotal evidence suggests a reduction in seizure frequency in onchocerciasis-associated epilepsy (OAE) patients who receive ivermectin...
August 30, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28816687/hearing-and-otoacoustic-emissions-outcome-of-stapedotomy-does-the-prosthesis-diameter-matter
#18
Nabil Faranesh, Ebrahim Magamseh, Suliman Zaaroura, Reem Zeidan, Avi Shupak
OBJECTIVE: To compare the hearing and otoacoustic emissions (OAE) outcome of stapedotomy employing 0.4 and 0.6 mm diameter prostheses. MATERIALS AND METHODS: In total, 18 patients with otosclerosis participated in a prospective, double-armed, randomized cohort study. All the patients underwent small fenestra drill stapedotomy employing the Causse fluroplastic large loop piston prostheses. The patients were randomly assigned to groups of 0.4 mm (n=9) and 0.6 mm (n=9) diameter prostheses...
August 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28808684/constraining-the-rate-of-oceanic-deoxygenation-leading-up-to-a-cretaceous-oceanic-anoxic-event-oae-2-94-ma
#19
Chadlin M Ostrander, Jeremy D Owens, Sune G Nielsen
The rates of marine deoxygenation leading to Cretaceous Oceanic Anoxic Events are poorly recognized and constrained. If increases in primary productivity are the primary driver of these episodes, progressive oxygen loss from global waters should predate enhanced carbon burial in underlying sediments-the diagnostic Oceanic Anoxic Event relic. Thallium isotope analysis of organic-rich black shales from Demerara Rise across Oceanic Anoxic Event 2 reveals evidence of expanded sediment-water interface deoxygenation ~43 ± 11 thousand years before the globally recognized carbon cycle perturbation...
August 2017: Science Advances
https://www.readbyqxmd.com/read/28791945/comparison-of-various-extraction-techniques-of-medicago-sativa-yield-antioxidant-activity-and-content-of-phytochemical-constituents
#20
Aneta Krakowska, Katarzyna Rafińska, Justyna Walczak, Tomasz Kowalkowski, Bogusław Buszewski
Medicago sativa L. (M. sativa) is a source of many valuable secondary metabolites. Extraction yield and the concentration of phenolics, flavonoids, and saponins, as well as antioxidant potential were determined in extracts from different parts of M. sativa obtained using extraction methods such as maceration, ultrasound-assisted extraction (UAE), accelerated solvent extraction (ASE), and supercritical fluid extraction (SFE). The concentrations of the listed groups of compounds were spectrophotometrically determined and confirmed by HPLC-MS...
July 13, 2017: Journal of AOAC International
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