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https://www.readbyqxmd.com/read/28432874/delayed-changes-in-auditory-status-in-cochlear-implant-users-with-preserved-acoustic-hearing
#1
Rachel A Scheperle, Viral D Tejani, Julia K Omtvedt, Carolyn J Brown, Paul J Abbas, Marlan R Hansen, Bruce J Gantz, Jacob J Oleson, Marie V Ozanne
This retrospective review explores delayed-onset hearing loss in 85 individuals receiving cochlear implants designed to preserve acoustic hearing at the University of Iowa Hospitals and Clinics between 2001 and 2015. Repeated measures of unaided behavioral audiometric thresholds, electrode impedance, and electrically evoked compound action potential (ECAP) amplitude growth functions were used to characterize longitudinal changes in auditory status. Participants were grouped into two primary categories according to changes in unaided behavioral thresholds: (1) stable hearing or symmetrical hearing loss and (2) delayed loss of hearing in the implanted ear...
April 12, 2017: Hearing Research
https://www.readbyqxmd.com/read/28432864/plutonium-in-the-atmosphere-a-global-perspective
#2
REVIEW
P Thakur, H Khaing, S Salminen-Paatero
A number of potential source terms have contributed plutonium isotopes to the atmosphere. The atmospheric nuclear weapon tests conducted between 1945 and 1980 and the re-entry of the burned SNAP-9A satellite in 1964, respectively. It is generally believed that current levels of plutonium in the stratosphere are negligible and compared with the levels generally found at surface-level air. In this study, the time trend analysis and long-term behavior of plutonium isotopes ((239+240)Pu and (238)Pu) in the atmosphere were assessed using historical data collected by various national and international monitoring networks since 1960s...
April 19, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28432801/weight-loss-in-obese-girls-with-polycystic-ovarian-syndrome-is-associated-with-a-decrease-of-anti-muellerian-hormone-concentrations
#3
Thomas Reinehr, Alexandra Kulle, Juliane Rothermel, Caroline Knop, Nina Lass, Christina Bosse, Paul-Martin Holterhus
OBJECTIVE: The Anti- Muellerian Hormone (AMH) has been reported as surrogate marker of antral follicles, which are the origins of hyperandrogenism in polycystic ovarian syndrome (PCOS). Therefore, AMH may be useful for the diagnosis of PCOS. The objective was to study the longitudinal changes in AMH concentrations in girls with and without PCOS. DESIGN: This is a longitudinal study of obese girls participating in a 1-year lifestyle intervention. PATIENTS: Forty obese girls aged 13-16 years (50% with PCOS) were included in the study...
April 22, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28431947/a-bout-analysis-of-operant-response-disruption
#4
REVIEW
Ryan J Brackney, Timothy H Cheung, Federico Sanabria
Operant behavior appears to be organized in bouts of responses, whose parameters are differentially sensitive to various manipulations. This study investigated potential differential effects of three forms of operant response disruption-extinction (EXT), non-contingent reinforcement (NCR), and prefeeding (PRE)-on response bouts. In Experiment 1, Wistar Kyoto rats (WKY) were trained on a tandem variable-time (VT) 120s fixed-ratio (FR) 5 schedule of reinforcement; after stability was established, their responding was disrupted for three sessions with one of the three disrupters (EXT, NCR, or PRE)...
April 18, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/28431598/apraclonidine-in-the-treatment-of-ptosis
#5
Subhashie Wijemanne, Dhanya Vijayakumar, Joseph Jankovic
Transient ptosis is a known complication of botulinum toxin (BoNT) injection due to inadvertent migration of toxin into the levator palpebrae superioris muscle. Currently there is no treatment available for BoNT induced ptosis. Apraclonidine hydrochloride is a topical ophthalmic solution with selective alpha-2 and weak alpha-1 receptor agonist activity that has the ability to elevate the eye lid. Apraclonidine has been used as a diagnostic test in Horner's syndrome. We evaluated the effects apraclonidine in a cohort of BoNT induced ptosis and a patient with Horner syndrome...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28431452/-treatment-options-for-neurogenic-drop-foot-a-systematic-literature-research
#6
Eike Jakubowitz, Daiwei Yao, Henning Windhagen, Christina Stukenborg-Colsman, Anna Thomann, Kiriakos Daniilidis
Background Neurogenic drop foot may be caused by central or peripheral lesions of the nervous system. Depending on whether the first or second motor neuron is damaged, a flaccid or spastic drop foot develops. Spastic drop foot persists as a residual long-term complication after stroke in about 14 % of patients. Various conservative and surgical treatment options are available. Methods This article is based on a systematic literature review for medical evidence of functional electrical stimulation (FES) with the keywords "functional electrical stimulation AND drop foot" and "functional electrical stimulation AND gait AND stroke" in PubMed and Cochrane databases...
April 21, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28431360/contrasting-dual-c-cl-isotope-fractionation-offers-potential-to-distinguish-reductive-chloroethene-transformation-from-breakdown-by-permanganate
#7
Eylem Doğan-Subaşı, Martin Elsner, Shiran Qiu, Stefan Cretnik, Siavash Atashgahi, Orfan Shouakar-Stash, Nico Boon, Winnie Dejonghe, Leen Bastiaens
cis-1,2-Dichloroethene (cis-DCE) and trichloroethene (TCE) are persistent, toxic and mobile pollutants in groundwater systems. They are both conducive to reductive dehalogenation and to oxidation by permanganate. In this study, the potential of dual element (C, Cl) compound specific isotope analyses (CSIA) for distinguishing between chemical oxidation and anaerobic reductive dechlorination of cis-DCE and TCE was investigated. Well-controlled cis-DCE degradation batch tests gave similar carbon isotope enrichment factors εC (‰), but starkly contrasting dual element isotope slopes Δδ(13)C/Δδ(37)Cl for permanganate oxidation (εC=-26‰±6‰, Δδ(13)C/Δδ(37)Cl≈-125±47) compared to reductive dechlorination (εC=-18‰±4‰, Δδ(13)C/Δδ(37)Cl≈4...
April 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28431114/molecular-characterization-of-cryptococcus-neoformans-isolated-from-the-environment-in-beijing-china
#8
Hongtao Dou, Huizhu Wang, Shaowei Xie, Xinxin Chen, Zhipeng Xu, Yingchun Xu
The molecular type of environmental Cryptococcus neoformans in Beijing was not clear. Our study aims to reveal the molecular characterization of C. neoformans complex from environment in Beijing, China. A total of 435 samples of pigeon droppings from 11 different homes in Beijing were collected from August to November in 2015. Pigeon droppings were inoculated onto caffeic acid cornmeal agar (CACA) to screen C. neoformans complex. Bruker Biotyper matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) was performed for species identification...
April 20, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28430720/the-effect-of-insertion-technique-on-temperatures-for-standard-and-self-drilling-external-fixation-pins
#9
Sarah Manoogian, Adam K Lee, James C Widmaier
OBJECTIVES: No studies have assessed the effects of parameters associated with insertion temperature in modern self-drilling external fixation pins. The current study assessed how varying the presence of irrigation, insertion speed, and force impacted the insertion temperatures of two types of standard and self-drilling external fixation half pins. METHODS: Seventy tests were conducted with ten trials for four conditions on self-drilling pins and three conditions for standard pins...
April 6, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28429975/the-real-cost-of-training-health-professionals-in-australia-it-costs-as-much-to-build-a-dietician-workforce-as-a-dental-workforce
#10
Leonie Segal, Claire Marsh, Rob Heyes
Objectives We explored the real cost of training the workforce in a range of primary health care professions in Australia with a focus on the impact of retention to contribute to the debate on how best to achieve the optimal health workforce mix. Methods The cost to train an entry-level health professional across 12 disciplines was derived from university fees, payment for clinical placements and, where relevant, cost of internship, adjusted for student drop-out. Census data were used to identify the number of qualified professionals working in their profession over a working life and to model expected years of practice by discipline...
April 2017: Journal of Health Services Research & Policy
https://www.readbyqxmd.com/read/28429762/annealing-induced-re-crystallization-in-ch3nh3pbi3-xclx-for-high-performance-perovskite-solar-cells
#11
Yingguo Yang, Shanglei Feng, Meng Li, Weidong Xu, Guangzhi Yin, Zhaokui Wang, Baoquan Sun, Xingyu Gao
Using poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) as hole conductor, a series of inverted planar CH3NH3PbI3-xClx perovskite solar cells (PSCs) were fabricated based on perovskite annealed by an improved time-temperature dependent (TTD) procedure in a flowing nitrogen atmosphere for different time. Only after an optimum annealing time, an optimized power conversion efficiency of 14.36% could be achieved. To understand their performance dependence on annealing time, an in situ real-time synchrotron-based grazing incidence X-ray diffraction (GIXRD) was used to monitor a step-by-step gradual structure transformation from distinct mainly organic-inorganic hybrid materials into highly ordered CH3NH3PbI3 crystal during annealing...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429326/wax-ester-fermentation-and-its-application-for-biofuel-production
#12
Hiroshi Inui, Takahiro Ishikawa, Masahiro Tamoi
In Euglena cells under anaerobic conditions, paramylon, the storage polysaccharide, is promptly degraded and converted to wax esters. The wax esters synthesized are composed of saturated fatty acids and alcohols with chain lengths of 10-18, and the major constituents are myristic acid and myristyl alcohol. Since the anaerobic cells gain ATP through the conversion of paramylon to wax esters, the phenomenon is named "wax ester fermentation". The wax ester fermentation is quite unique in that the end products, i...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28429294/ocular-cubosome-drug-delivery-system-for-timolol-maleate-preparation-characterization-cytotoxicity-ex-vivo-and-in-vivo-evaluation
#13
Jiayuan Huang, Tingting Peng, Yanrong Li, Zhengwen Zhan, Youmei Zeng, Ying Huang, Xin Pan, Chuan-Yu Wu, Chuanbin Wu
Glaucoma is an ocular disease featuring increased intraocular pressure (IOP) and its primary treatment strategy is to lower IOP by medication. Current ocular drug delivery in treating glaucoma is confronting a variety of challenges, such as low corneal permeability and bioavailability due to the unique anatomical structure of the human eye. To tackle these challenges, a cubosome drug delivery system for glaucoma treatment was constructed for timolol maleate (TM) in this study. The TM cubosomes (liquid crystalline nanoparticles) were prepared using glycerol monooleate and poloxamer 407 via high-pressure homogenization...
April 20, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28429078/-telephone-coaching-for-depression
#14
W Gerlach-Reinholz, L Drop, E Basic, M Rauchhaus, J Fritze
BACKGROUND: Depression is associated with a substantial utilization of resources in the German healthcare system. A typical symptom in depression is loss of drive, which possibly contributes to non-adherence and increased costs. OBJECTIVE: The study is based on routine healthcare data and tested the hypothesis that telephone coaching in cases of depression leads to a reduction in total healthcare costs. MATERIAL AND METHODS: Based on approximately 80 covariates and using propensity score matching, a total of 1586 persons who had received telephone coaching for depression and covered by a German statutory health insurance fund were matched to a comparable cohort of patients with depression to whom telephone coaching had not been provided...
April 20, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28429011/drop-transport-and-positioning-on-lubricant-impregnated-surfaces
#15
Jian Hui Guan, Élfego Ruiz-Gutiérrez, Ben Bin Xu, David Wood, Glen McHale, Rodrigo Ledesma-Aguilar, Gary George Wells
We demonstrate the transport and positioning of water droplets on macro-patterned lubricant-impregnated surfaces. The macro-patterning produces menisci features in the impregnating liquid layer which interact with a droplet via a capillary mechanism similar to the Cheerios effect. These interactions control the droplet motion and positioning on an otherwise completely slippery surface. We present experimental results using a V-shape channel geometry as a model system. The interaction between deformations on the lubricant layer induced by the droplet and the underlying V-shape geometry leads to both local and global equilibrium positions for the droplet within the channel...
April 21, 2017: Soft Matter
https://www.readbyqxmd.com/read/28428982/biomechanical-effect-of-pedicle-screw-distribution-in-ais-instrumentation-using-a-segmental-translation-technique-computer-modeling-and-simulation
#16
Xiaoyu Wang, A Noelle Larson, Dennis G Crandall, Stefan Parent, Hubert Labelle, Charles G T Ledonio, Carl-Eric Aubin
BACKGROUND: Efforts to select the appropriate number of implants in adolescent idiopathic scoliosis (AIS) instrumentation are hampered by a lack of biomechanical studies. The objective was to biomechanically evaluate screw density at different regions in the curve for AIS correction to test the hypothesis that alternative screw patterns do not compromise anticipated correction in AIS when using a segmental translation technique. METHODS: Instrumentation simulations were computationally performed for 10 AIS cases...
2017: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/28428976/sem-and-afm-studies-of-two-phase-magnetic-alkali-borosilicate-glasses
#17
N Andreeva, M Tomkovich, A Naberezhnov, B Nacke, A Filimonov, O Alekseeva, P Vanina, V Nizhankovskii
The morphology and composition of four types of two-phase alkali borosilicate glasses with magnetic atoms prepared by inductive melting have been studied. The results of scanning electron microscopy point to uniform distribution of Na, Si, and O atoms in these samples while magnetic iron atoms form ball-shaped agglomerates. The magnetic properties of these agglomerates have been confirmed by magnetic force microscopy. Atomic force microscopy had shown that in these samples two different morphological structures, drop-like and dendrite net, are formed...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28428919/tibial-bone-grafting-for-wrist-reconstruction
#18
Schneider K Rancy, Stephanie D Malliaris, Scott W Wolfe
Background Iliac crest bone graft harvesting is routinely performed for upper extremity orthopedic procedures despite high complication rates associated with sensory nerve injury, hematoma, chronic pain, and fracture. Description of Technique Cancellous bone graft is harvested from the proximal tibia using a medial approach, minimizing donor site morbidity. Patients and Methods A retrospective review was undertaken of 14 patients who underwent cancellous proximal tibia bone graft harvesting to augment healing of wrist reconstruction, with 2 months minimum follow-up...
May 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28428404/what-s-in-a-drop-of-blood
#19
EDITORIAL
Laura M Zahn
No abstract text is available yet for this article.
April 21, 2017: Science
https://www.readbyqxmd.com/read/28428092/validation-of-the-pain-resilience-scale-in-a-chronic-pain-sample
#20
Brett Ankawi, P Maxwell Slepian, Lina K Himawan, Christopher R France
Psychosocial factors that protect against negative outcomes for individuals with chronic pain have received increased attention in recent years. Pain resilience, or the ability to maintain behavioral engagement and regulate emotions as well as cognitions despite prolonged or intense pain, is one such factor. A measure of pain-specific resilience, the Pain Resilience Scale, was previously identified as a better predictor of acute pain tolerance than general resilience. The present study sought to validate this measure in a chronic pain sample, while also furthering understanding of the role of pain resilience when compared to other protective factors...
April 17, 2017: Journal of Pain: Official Journal of the American Pain Society
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