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https://www.readbyqxmd.com/read/28532908/the-safety-and-efficiency-of-pvcr-without-anterior-support-applied-in-treatment-of-yang-s-a-type-severe-thoracic-kyphoscoliosis
#1
Wen-Yuan Sui, Zi-Fang Huang, Yao-Long Deng, Heng-Wei Fan, Jing-Fan Yang, Fo-Bao Li, Jun-Lin Yang
OBJECT: To assess the clinical and radiographic outcomes of posterior vertebral column resection (PVCR) without anterior support in treatment of Yang's A type severe rigid thoracic kyphoscoliosis. METHODS: The records of 27 Yang's A type severe thoracic kyphoscoliosis patients treated with PVCR without anterior support from January 2010 to September 2013 were retrospectively analyzed. Intraoperative multimodal neurophysiological monitoring (IONM) (6 modes: Somatosensory evoked potential (SSEP), Motor evoked potential (MEP), Descending neurogenic evoked potential (DNEP), Spinal cord evoked potential (SCEP), and Electromyography, both triggered and free run EMG) was conducted in all patients...
May 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28532412/trends-in-healthcare-expenditure-in-united-states-adults-with-chronic-kidney-disease-2002-2011
#2
Mukoso N Ozieh, Kinfe G Bishu, Clara E Dismuke, Leonard E Egede
BACKGROUND: This study examines trends in healthcare expenditure in adults with chronic kidney disease (CKD) and other kidney diseases (OKD) in the U.S. from 2002 to 2011. METHODS: One hundred and eighty-seven thousand, three hundred and fourty-one adults aged ≥18 from the Medical Expenditure Panel Survey (MEPS) Household Component were analyzed. CKD and OKD were based on ICD-9 or CCC codes. A novel two-part model was used to estimate the likelihood of any healthcare use and total expenditures...
May 22, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28531656/biodegradation-of-phthalic-acid-esters-paes-and-in-silico-structural-characterization-of-mono-2-ethylhexyl-phthalate-mehp-hydrolase-on-the-basis-of-close-structural-homolog
#3
Neha Singh, Vikram Dalal, Jai Krishna Mahto, Pravindra Kumar
Three bacterial strains capable of degrading phthalates namely Pseudomonas sp. PKDM2, Pseudomonas sp. PKDE1 and Pseudomonas sp. PKDE2 were isolated and characterized for their degradative potential. These strains efficiently degraded 77.4%-84.4% of DMP, 75.0%-75.7% of DEP and 71.7%-74.7% of DEHP, initial amount of each phthalate is 500mgL(-1) of each phthalate, after 44h of incubation. GC-MS results reveal the tentative DEHP degradation pathway, where hydrolases mediate the breakdown of DEHP to phthalic acid (PA) via an intermediate MEHP...
April 25, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28530447/middle-ear-function-and-pathophysiology-in-andean-children-living-at-high-altitudes
#4
S Allen Counter, Leo H Buchanan, Fernando Ortega, Anthony B Jacobs, Göran Laurell
Counter, S. Allen, Leo H. Buchanan, Fernando Ortega, Anthony B. Jacobs, and Göran Laurell. Middle ear function and pathophysiology in Andean children living at high altitudes. High Alt Med Biol 00:000-000, 2017.-The extent of altitude-related middle ear disorders in children native to high altitudes is unclear. This study examined middle ear pathophysiology in two groups of children living in high-altitude Ecuadorian Andean communities by investigating middle ear pressure (MEP), tympanic membrane compliance (TMC), and ear canal volume (ECV) using tympanometry, and by otological examination...
May 22, 2017: High Altitude Medicine & Biology
https://www.readbyqxmd.com/read/28529055/intraoperative-mapping-and-monitoring-of-the-pyramidal-tract-using-endoscopic-depth-electrodes
#5
Yukinori Akiyama, Shunya Ohtaki, Katsuya Komatsu, Kentaro Toyama, Rei Enatsu, Takeshi Mikami, Masahiko Wanibuchi, Nobuhiro Mikuni
OBJECTIVE: To evaluate motor function during neuroendoscopic resectioning of deep-seated brain tumors using endoscopically guided depth electrodes. METHODS: For 12 cases of thalamic tumors including high-grade gliomas, germinomas, and malignant lymphomas, depth electrodes were inserted using endoscopic guides between the tumor and the pyramidal tract in the thalamus. Motor evoked potentials (MEPs) were continuously recorded during neuroendoscopic resectioning of the tumors...
May 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28528736/on-the-effectiveness-of-event-related-beta-tacs-on-episodic-memory-formation-and-motor-cortex-excitability
#6
Verena Braun, Rodika Sokoliuk, Simon Hanslmayr
BACKGROUND: Transcranial alternating current stimulation (tACS) is widely used to entrain or modulate brain oscillations in order to investigate causal relationships between oscillations and cognition. OBJECTIVE: In a series of experiments we here addressed the question of whether event-related, transient tACS in the beta frequency range can be used to entrain beta oscillations in two different domains: episodic memory formation and motor cortex excitability. METHODS: In experiments 1 and 2, 72 healthy human participants engaged in an incidental encoding task of verbal and non-verbal material while receiving tACS to the left and right inferior frontal gyrus (IFG) at 6...
April 30, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28527425/effects-of-the-summer-holiday-season-on-uv-filter-and-illicit-drug-concentrations-in-the-korean-wastewater-system-and-aquatic-environment
#7
Ki Yong Kim, Kalu Ibe Ekpeghere, Hee-Jin Jeong, Jeong-Eun Oh
Seasonal variations in the concentrations of eight ultraviolet (UV) filters and 22 illicit drugs including their metabolites in the Korean aquatic environment were investigated. Seawater samples from three beaches, water samples from two rivers, and influents and effluents from three wastewater treatment plants were analyzed. The UV filter concentrations in the seawater, river water, and effluent samples were 39.4-296, 35.4-117, and 6.84-51.1 ng L(-1), respectively. The total UV filter concentrations in the seawater samples were 1...
May 17, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28525863/optical-nonlinearity-and-charge-transfer-analysis-of-pyrene-adsorbed-on-silver-computational-and-experimental-investigations
#8
U Reeta Felscia, Beulah J M Rajkumar, Pranitha Sankar, Reji Philip, M Briget Mary
The interaction of pyrene on silver has been investigated using both experimental and computational methods. Hyperpolarizabilities computed theoretically together with experimental nonlinear absorption from open aperture Z-scan measurements, point towards a possible use of pyrene adsorbed on silver in the rational design of NLO devices. Presence of a red shift in both simulated and experimental UV-Vis spectra confirms the adsorption on silver, which is due to the electrostatic interaction between silver and pyrene, inducing variations in the structural parameters of pyrene...
May 10, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28525834/exposure-to-phenols-parabens-and-uv-filters-associations-with-loss-of-function-mutations-in-the-filaggrin-gene-in-men-from-the-general-population
#9
Ulla N Joensen, Niels Jørgensen, Jacob P Thyssen, Jørgen Holm Petersen, Pal B Szecsi, Steen Stender, Anne-Maria Andersson, Niels E Skakkebæk, Hanne Frederiksen
BACKGROUND: Filaggrin is an epidermal protein that is important for normal skin barrier functions. Up to 10% of Europeans and Asians carry filaggrin gene (FLG) loss-of function mutations that appear to facilitate trans-epidermal penetration of certain chemicals. We previously showed that mutation carriers have higher internal exposure to certain phthalates, compared to controls, and hypothesized that they could have increased trans-epidermal penetration of other chemicals. OBJECTIVES: We investigated exposure to non-persistent chemicals in young Danish men with and without FLG mutations...
May 16, 2017: Environment International
https://www.readbyqxmd.com/read/28522223/relationship-between-the-changes-in-m1-excitability-after-motor-learning-and-arousal-state-as-assessed-by-short-latency-afferent-inhibition
#10
Yoshiki Koizume, Masato Hirano, Shinji Kubota, Shinya Tanaka, Kozo Funase
To examine the factors that influence the inter-individual differences in the changes in primary motor cortex (M1) excitability seen after motor learning, we investigated the relationship between the amplitude of transcranial magnetic stimulation-induced motor evoked potentials (MEP) and short-latency afferent inhibition (SAI) after motor learning, based on the working hypothesis that SAI can be used to evaluate cortical acetylcholine (ACh) activity. To confirm this working hypothesis, we manipulated the arousal state of the subjects using a vigilance task, the outcomes of which might be correlated with cortical ACh activity, and investigated the effects of arousal state on SAI...
May 15, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28515687/effects-of-passive-finger-movement-on-cortical-excitability
#11
Masaki Nakagawa, Ryoki Sasaki, Shota Tsuiki, Shota Miyaguchi, Sho Kojima, Kei Saito, Yasuto Inukai, Hideaki Onishi
This study examined the effects of joint angle and passive movement direction on corticospinal excitability. The subjects were 14 healthy adults from whom consent could be obtained. We performed two experiments. In Experiment 1, we measured motor evoked potential (MEP) amplitude, F-wave and M-wave at 0° and 20° adduction during adduction or abduction movement, in the range of movement from 10° abduction to 30° adduction. In Experiment 2, MEPs were measured at static 0° and 20° adduction during passive adduction from 10° adduction to 30° adduction and static 20° adduction...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28515272/racial-disparities-in-neurologic-health-care-access-and-utilization-in-the-united-states
#12
Altaf Saadi, David U Himmelstein, Steffie Woolhandler, Nicte I Mejia
OBJECTIVE: To evaluate racial and ethnic differences in the utilization of neurologic care across a wide range of neurologic conditions in the United States. METHODS: We analyzed nationally representative data from the 2006-2013 Medical Expenditure Panel Survey (MEPS), including information on demographics, patient-reported health conditions, neurology visit rates, and costs. Using diagnostic codes, we identified persons with any self-identified neurologic disorder except back pain, as well as 5 subgroups (Parkinson disease, multiple sclerosis, headache, cerebrovascular disease, and epilepsy)...
May 17, 2017: Neurology
https://www.readbyqxmd.com/read/28513860/cortical-contributions-to-sensory-gating-in-the-ipsilateral-somatosensory-cortex-during-voluntary-activity
#13
Yuming Lei, Monica A Perez
An important principle in the organization of the somatosensory cortex is that it processes afferent information from the contralateral side of the body. The role of the ipsilateral somatosensory cortex (iS1) in sensory gating in humans remains largely unknown. Using electroencephalographic recordings over the iS1 and electrical stimulation of the ulnar nerve at the wrist we examined somatosensory evoked potentials (SSEPs; P14/N20, N20/P25, and P25/N33 components) and paired-pulse SSEPs between (interhemispheric inhibition) and within (intracortical inhibition) the iS1 at rest and during tonic index finger voluntary activity...
May 17, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28512568/acemetacin-cocrystal-structures-by-powder-x-ray-diffraction
#14
Geetha Bolla, Vladimir Chernyshev, Ashwini Nangia
Cocrystals of acemetacin drug (ACM) with nicotinamide (NAM), p-aminobenzoic acid (PABA), valerolactam (VLM) and 2-pyridone (2HP) were prepared by melt crystallization and their X-ray crystal structures determined by high-resolution powder X-ray diffraction. The powerful technique of structure determination from powder data (SDPD) provided details of molecular packing and hydrogen bonding in pharmaceutical cocrystals of acemetacin. ACM-NAM occurs in anhydrate and hydrate forms, whereas the other structures crystallized in a single crystalline form...
May 1, 2017: IUCrJ
https://www.readbyqxmd.com/read/28508121/overexpression-of-smmyb9b-enhances-tanshinone-concentration-in-salvia-miltiorrhiza-hairy-roots
#15
Jingxian Zhang, Lubin Zhou, Xiaoyu Zheng, Jinjia Zhang, Li Yang, Ronghui Tan, Shujuan Zhao
A Salvia miltiorrhiza R2R3-MYB gene, SmMYB9b , has been cloned and characterized. Overexpression of SmMYB9b resulted in a significant improvement of tanshinones, the lipophilic active ingredients in danshen hairy roots. Plant R2R3-MYB transcription factors play important roles in various physiological and biochemical processes. Danshen (Salvia miltiorrhiza bunge) is a valuable medicinal herb with tanshinones and salvianolic acids as the principal bioactive ingredients. A number of putative R2R3-MYB transcription factors have been identified in the plant, but their function remains to be studied...
May 15, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28506312/pathomimetic-avatars-reveal-divergent-roles-of-microenvironment-in-invasive-transition-of-ductal-carcinoma-in-situ
#16
Mansoureh Sameni, Dora Cavallo-Medved, Omar E Franco, Anita Chalasani, Kyungmin Ji, Neha Aggarwal, Arulselvi Anbalagan, Xuequn Chen, Raymond R Mattingly, Simon W Hayward, Bonnie F Sloane
BACKGROUND: The breast tumor microenvironment regulates progression of ductal carcinoma in situ (DCIS) to invasive ductal carcinoma (IDC). However, it is unclear how interactions between breast epithelial and stromal cells can drive this progression and whether there are reliable microenvironmental biomarkers to predict transition of DCIS to IDC. METHODS: We used xenograft mouse models and a 3D pathomimetic model termed mammary architecture and microenvironment engineering (MAME) to study the interplay between human breast myoepithelial cells (MEPs) and cancer-associated fibroblasts (CAFs) on DCIS progression...
May 15, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28504121/corticospinal-excitability-during-the-processing-of-handwritten-and-typed-words-and-non-words
#17
Chelsea L Gordon, Michael J Spivey, Ramesh Balasubramaniam
A number of studies have suggested that perception of actions is accompanied by motor simulation of those actions. To further explore this proposal, we applied Transcranial magnetic stimulation (TMS) to the left primary motor cortex during the observation of handwritten and typed language stimuli, including words and non-word consonant clusters. We recorded motor-evoked potentials (MEPs) from the right first dorsal interosseous (FDI) muscle to measure cortico-spinal excitability during written text perception...
May 11, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28503730/cardiopulmonary-and-sedative-effects-of-intravenous-or-epidural-methadone-in-conscious-dogs
#18
B H B Vieira, L T Nishimura, L L Carvalho, A Auckburally, E Mattos-Junior
Cardiopulmonary and sedative effects of intravenous or epidural methadone were compared. Six beagles were randomly assigned to group MIV (methadone 0.5 mg/kg IV + NaCl 0.9% epidurally) or MEP (methadone 0.5 mg/kg epidurally + NaCl 0.9% IV). Cardiopulmonary, blood gas and sedation were assessed at time (T) 0, 15, 30, 60, 120, 240 and 480 min after drug administration. Compared to T0, heart rate decreased at T15-T120 in MIV (p < .001) and T15-T240 in MEP (p < .05); mean arterial pressure was reduced at T15-T60 in MEP (p < ...
May 15, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28503465/correlation-of-serum-creatine-kinase-level-with-pulmonary-function-in-duchenne-muscular-dystrophy
#19
Eun Young Kim, Jang Woo Lee, Mi Ri Suh, Won Ah Choi, Seong Woong Kang, Hyeon Jun Oh
OBJECTIVE: To investigate the relationship between serum creatine kinase (CK) level and pulmonary function in Duchenne muscular dystrophy (DMD). METHODS: A total of 202 patients with DMD admitted to the Department of Rehabilitation Medicine, Gangnam Severance Hospital were enrolled from January 1, 1999 to March 31, 2015. Seventeen patients were excluded. Data collected from the 185 patients included age, height, weight, body mass index, pulmonary function tests including forced vital capacity (FVC), peak cough flow, maximal expiratory pressure (MEP), and maximal inspiratory pressure (MIP), and laboratory measurements (serum level of CK, CK-MB, troponin-T, and B-type natriuretic peptide)...
April 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28503464/maximal-inspiratory-pressure-and-maximal-expiratory-pressure-in-healthy-korean-children
#20
Woo Hyuk Choi, Myung Jun Shin, Myung Hun Jang, Je Sang Lee, Soo-Yeon Kim, Hye-Young Kim, Younghee Hong, Choongrak Kim, Yong Beom Shin
OBJECTIVE: To evaluate respiratory muscle strength in healthy Korean children in order to establish the criteria for normal reference values for future applications. In contrast with the other parameters for testing pulmonary function, normal values for respiratory muscle strength in healthy Korean children have not been assessed to date. METHODS: We conducted a complete survey of 263 students at Sinmyung Elementary School in Yangsan, Gyeongsangnam-do, and measured their height and body weight, performed pulmonary function tests, and evaluated maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) as measures of respiratory muscle strength...
April 2017: Annals of Rehabilitation Medicine
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