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https://www.readbyqxmd.com/read/28433733/factors-influencing-repeated-teenage-pregnancy-a-review-and-meta-analysis
#1
REVIEW
Joemer C Maravilla, Kim S Betts, Camila Couto E Cruz, Rosa Alati
OBJECTIVE: Existing evidence of predictors of repeated teenage pregnancy (RTP) has not been rigorously assessed. This systematic review provides a comprehensive evaluation of protective and risk factors associated with RTP through a meta-analytical consensus. DATA SOURCES: Pubmed, EMBASE, CINAHL, ProQuest, PsychINFO, ScienceDirect, Scopus and Web of Science databases, from 1997 to 2015; and reference list of other relevant research papers and related reviews. STUDY ELIGIBILITY CRITERIA: Eligibility criteria included 1) epidemiological studies which analysed factors associated with repeated pregnancy or birth among adolescents under 20 years of age who were nulliparous or experienced at least one pregnancy; 2) experimental studies with an observational component adjusted for the intervention...
April 19, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28430553/sport-concussion-management-using-facebook-a-feasibility-study-of-an-innovative-adjunct-icon
#2
Osman Hassan Ahmed, Anthony G Schneiders, Paul R McCrory, S John Sullivan
CONTEXT:   Sport concussion is currently the focus of much international attention. Innovative methods to assist athletic trainers in facilitating management after this injury need to be investigated. OBJECTIVE:   To investigate the feasibility of using a Facebook concussion-management program termed iCon (interactive concussion management) to facilitate the safe return to play (RTP) of young persons after sport concussion. DESIGN:   Observational study...
April 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28422634/functional-brain-stimulation-in-a-chronic-stroke-survivor-with-moderate-impairment
#3
Heather T Peters, Janell Pisegna, Julie Faieta, Stephen J Page
OBJECTIVE: To determine the impact of transcranial direct current stimulation (tDCS) combined with repetitive, task-specific training (RTP) on upper-extremity (UE) impairment in a chronic stroke survivor with moderate impairment. METHOD: The participant was a 54-yr-old woman with chronic, moderate UE hemiparesis after a single stroke that had occurred 10 yr before study enrollment. She participated in 45-min RTP sessions 3 days/wk for 8 wk. tDCS was administered concurrent to the first 20 min of each RTP session...
May 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28391160/long-non-coding-rna-pvt1-promote-lps-induced-septic-acute-kidney-injury-by-regulating-tnf%C3%AE-and-jnk-nf-%C3%AE%C2%BAb-pathways-in-hk-2-cells
#4
Wei Huang, Xiuwen Lan, Xueting Li, Dawei Wang, Yinghao Sun, Qian Wang, Hong Gao, Kaijiang Yu
This study aimed to investigate the effect and underlying mechanism of long non-coding RNA plasmacytoma variant translocation 1 (PVT1) in lipopolysaccharide (LPS)-induced inflammation injury in HK-2 cells. We established LPS-induced septic acute kidney injury (AKI) model in HK-2 cells. LPS-induced HK-2 cells were transfected with pc-PVT1, pc-NC, si-PVT1 or si-NC. Cell viability and apoptosis rate were detected by MTT assay and Annexin V-FITC/PI Apoptosis Detection kit, respectively. The relationships of PVT1 and inflammatory factors were evaluated by RNA Immunoprecipitation (RIP) assay...
April 6, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28360143/return-to-play-after-hamstring-injuries-in-football-soccer-a-worldwide-delphi-procedure-regarding-definition-medical-criteria-and-decision-making
#5
Nick van der Horst, Fjg Backx, Edwin A Goedhart, Bionka Ma Huisstede
There are three major questions about return to play (RTP) after hamstring injuries: How should RTP be defined? Which medical criteria should support the RTP decision? And who should make the RTP decision? The study aimed to provide a clear RTP definition and medical criteria for RTP and to clarify RTP consultation and responsibilities after hamstring injury. The study used the Delphi procedure. The results of a systematic review were used as a starting point for the Delphi procedure. Fifty-eight experts in the field of hamstring injury management selected by 28 FIFA Medical Centres of Excellence worldwide participated...
March 30, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28355083/systematic-review-of-outcomes-reporting-in-professional-baseball-a-call-for-increased-validation-and-consistency
#6
Jelle P van der List, Christopher L Camp, Alec L Sinatro, Joshua S Dines, Andrew D Pearle
BACKGROUND: Historically, treatment efficacy of professional baseball injuries has been determined by assessing the return-to-play (RTP) rate or using patient-reported functional outcomes scores; however, these methods may not be sensitive and specific enough for elite athletes. As a consequence, performance-based statistics are increasingly being reported in the medical literature. PURPOSE: To (1) assess how treatment efficacy is currently reported in professional baseball players; (2) examine the variability in the reporting of these measures in terms of frequency, length of time followed, and units of measure; and (3) identify any attempts to validate these performance-based statistics...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28345705/activating-efficient-room-temperature-phosphorescence-of-carbon-dots-by-synergism-of-orderly-non-noble-metals-and-dual-structural-confinements
#7
Li Qian Bai, Ning Xue, Xin Rui Wang, Wen Ying Shi, Chao Lu
Obtaining high efficiency room temperature phosphorescence (RTP) by employing non-noble metals poses two challenges: (1) strengthening spin-orbit coupling of excitons to improve the rate of intersystem crossing (ISC) by using non-noble metals with small-atomic-number; (2) employing structural confinement to enhance radiation relaxation because harsh conditions, including carefully selected matrices, rigid solid-state crystalline structure and low temperature, are commonly needed. Here, layered double hydroxides (LDHs) with orderly non-noble metal arrangements were used as an inorganic matrix to activate RTP of carbon dots (CDs)...
March 27, 2017: Nanoscale
https://www.readbyqxmd.com/read/28331375/negative-psychological-responses-of-injury-and-rehabilitation-adherence-effects-on-return-to-play-in-competitive-athletes-a-systematic-review-and-meta-analysis
#8
Andreas Ivarsson, Ulrika Tranaeus, Urban Johnson, Andreas Stenling
Previous research offers evidence that psychological factors influence an injured athlete during the rehabilitation process. Our first objective was to conduct a systematic review and meta-analysis of the results from all published studies that examined the relationships among negative affective responses after sport injuries, rehabilitation adherence, and return to play (RTP). The second objective was to use a meta-analytic path analysis to investigate whether an indirect effect existed between negative affective responses and RTP through rehabilitation adherence...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28294629/sport-concussion-management-using-facebook-a-feasibility-study-of-an-innovative-adjunct-icon
#9
Osman Hassan Ahmed, Anthony G Schneiders, Paul R McCrory, S John Sullivan
CONTEXT:   Sport concussion is currently the focus of much international attention. Innovative methods to assist athletic trainers in facilitating management after this injury need to be investigated. OBJECTIVE:   To investigate the feasibility of using a Facebook concussion-management program termed iCon (interactive concussion management) to facilitate the safe return to play (RTP) of young persons after sport concussion. DESIGN:   Observational study...
March 15, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28291745/iterative-framework-for-the-joint-segmentation-and-ct-synthesis-of-mr-images-application-to-mri-only-radiotherapy-treatment-planning
#10
Ninon Burgos, Filipa Guerreiro, Jamie McClelland, Benoit Presles, Marc Modat, Simeon Nill, David Dearnaley, Nandita deSouza, Uwe Oelfke, Antje-Christin Knopf, Sebastien Ourselin, M Jorge Cardoso
To tackle the problem of MRI-only radiotherapy treatment planning (RTP), we propose a multi-atlas information propagation scheme that jointly segments organs and generates pseudo CT data from structural MR images. As the performance of the method strongly depends on the quality of the atlas database composed of multiple sets of aligned MR, CT and segmented images, we also propose a robust way of registering atlas MR and CT images, which combines structure-guided registration, and CT and MR image synthesis. We first evaluated the proposed framework in terms of segmentation and CT synthesis accuracy on 15 subjects with prostate cancer...
March 14, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28288446/hybrid-detection-of-target-sequence-dna-based-on-phosphorescence-resonance-energy-transfer
#11
Yanming Miao, Jinzhi Lv, Guiqin Yan
The severe background fluorescence and scattering light of real biological samples or environmental samples largely reduce the sensitivity and accuracy of fluorescence resonance energy transfer sensors based on fluorescent quantum dots (QDs). To solve this problem, we designed a novel target sequence DNA biosensor based on phosphorescent resonance energy transfer (PRET). This sensor relied on Mn-doped ZnS (Mn-ZnS) room-temperature phosphorescence (RTP) QDs/poly-(diallyldimethylammonium chloride) (PDADMAC) nanocomposite (QDs(+)) as the energy donor and the single-strand DNA-ROX as the energy receptor...
March 7, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28268276/preliminary-results-of-residual-deficits-observed-in-athletes-with-concussion-history-combined-eeg-and-cognitive-study
#12
Tamanna T K Munia, Jeffrey L Gendreau, Ajay K Verma, Benjamin D Johnson, Mark Romanick, Kouhyar Tavakolian, Reza Fazel-Rezai
Assessment, treatment, and management of sport-related concussions are a widely recognized public health issue. Although several neuropsychological and motor assessment tools have been developed and implemented for sports teams at various levels and ages, the sensitivity of these tests has yet to be validated with more objective measures to make return-to-play (RTP) decisions more confidently. The present study sought to analyze the residual effect of concussions on a sample of adolescent athletes who sustained one or more previous concussions compared to those who had no concussion history...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28263052/gisaxs-analysis-of-the-in-depth-morphology-of-thick-ps-b-pmma-films
#13
Federico Ferrarese Lupi, Tommaso Jacopo Giammaria, Gabriele Seguini, Michele Laus, Pavo Dubček, Branko Pivac, Sigrid Bernstorff, Michele Perego
The morphological evolution of cylinder-forming poly(styrene)-b-poly(methyl methacrylate) block copolymer (BCP) thick films treated at high temperatures in the rapid thermal processing (RTP) machine was monitored by means of in-depth grazing-incidence small-angle X-ray scattering (GISAXS). The use of this nondisruptive technique allowed one to reveal the formation of buried layers composed of both parallel- and perpendicular-oriented cylinders as a function of the film thickness (24 ≤ h ≤ 840 nm) and annealing time (0 ≤ t ≤ 900 s)...
March 29, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28262900/influence-of-lanthanide-ion-energy-levels-on-luminescence-of-corresponding-metalloporphyrins
#14
Huimin Zhao, Lixin Zang, Chengshan Guo
Lanthanide (Ln) porphyrins exhibit diverse luminescence properties that have not been fully explained yet. A series of Ln ions (Ln ions = La(3+), Ce(3+), Pr(3+), Nd(3+), Sm(3+), Eu(3+), Gd(3+), Tb(3+), Dy(3+), Ho(3+), Er(3+), Tm(3+), Yb(3+), and Lu(3+)) were coordinated with hematoporphyrin monomethyl ether (HMME), and their luminescence properties and related differences were studied. Spectral analysis indicated that all Ln-HMMEs exhibit fluorescence emission. Gd- and Lu-HMMEs were the only lanthanide-HMMEs displaying strong molecular π-π room-temperature phosphorescence (RTP) with quantum yield ΦP > 10(-3)...
March 6, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28262096/olfactory-receptor-accessory-proteins-play-crucial-roles-in-receptor-function-and-gene-choice
#15
Ruchira Sharma, Yoshiro Ishimaru, Ian Davison, Kentaro Ikegami, Ming-Shan Chien, Helena You, Quiyi Chi, Momoka Kubota, Masafumi Yohda, Michael Ehlers, Hiroaki Matsunami
Each of the olfactory sensory neurons (OSNs) chooses to express a single G protein-coupled olfactory receptor (OR) from a pool of hundreds. Here, we show the receptor transporting protein (RTP) family members play a dual role in both normal OR trafficking and determining OR gene choice probabilities. Rtp1 and Rtp2 double knockout mice (RTP1,2DKO) show OR trafficking defects and decreased OSN activation. Surprisingly, we discovered a small subset of the ORs are expressed in larger numbers of OSNs despite the presence of fewer total OSNs in RTP1,2DKO...
March 6, 2017: ELife
https://www.readbyqxmd.com/read/28254706/room-temperature-phosphorescence-of-five-pahs-in-a-synergistic-mesoporous-silica-nanoparticle-deoxycholate-substrate
#16
Jun Qin, Xiaomei Li, Feng Feng, Qiliang Pan, Yunfeng Bai, Jianguo Zhao
A synergistic mesoporous silica nanoparticle-sodium deoxycholate (mPS-NaDC) substrate was developed for room temperature phosphorimetry. The synergistic substrate exhibited rapid and strong RTP-inducing ability against temperature variation. NaDC might adsorb on the inner surface of mPS pore by possible hydrogen bonding and protected the triplet state of polycyclic aromatic hydrocarbons (PAHs) with different molecular sizes. Two mPSs named LPMS1 and LPMS2 with pore size of 3.05 and 3.83nm were synthesized and optimized in inducing RTP, and the latter, LPMS2, was selected as an ideal substrate because of its stronger protection ability to the triplet and good stability...
February 22, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28246078/return-to-play-criteria-after-hamstring-muscle-injury-in-professional-football-a-delphi-consensus-study
#17
Mattia Zambaldi, Ian Beasley, Alison Rushton
BACKGROUND: Hamstring muscle injury (HMI) is the most common injury in professional football and has a high re-injury rate. Despite this, there are no validated criteria to support return to play (RTP) decisions. AIM: To use the Delphi method to reach expert consensus on RTP criteria after HMI in professional football. METHODS: All professional football clubs in England (n=92) were invited to participate in a 3-round Delphi study. Round 1 requested a list of criteria used for RTP decisions after HMI...
February 28, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28242137/evaluation-of-a-multi-atlas-ct-synthesis-approach-for-mri-only-radiotherapy-treatment-planning
#18
F Guerreiro, N Burgos, A Dunlop, K Wong, I Petkar, C Nutting, K Harrington, S Bhide, K Newbold, D Dearnaley, N M deSouza, V A Morgan, J McClelland, S Nill, M J Cardoso, S Ourselin, U Oelfke, A C Knopf
BACKGROUND AND PURPOSE: Computed tomography (CT) imaging is the current gold standard for radiotherapy treatment planning (RTP). The establishment of a magnetic resonance imaging (MRI) only RTP workflow requires the generation of a synthetic CT (sCT) for dose calculation. This study evaluates the feasibility of using a multi-atlas sCT synthesis approach (sCTa) for head and neck and prostate patients. MATERIAL AND METHODS: The multi-atlas method was based on pairs of non-rigidly aligned MR and CT images...
March 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28226433/preliminary-results-of-residual-deficits-observed-in-athletes-with-concussion-history-combined-eeg-and-cognitive-study
#19
Tamanna T K Munia, Jeffrey L Gendreau, Ajay K Verma, Benjamin D Johnson, Mark Romanick, Kouhyar Tavakolian, Reza Fazel-Rezai, Tamanna T K Munia, Jeffrey L Gendreau, Ajay K Verma, Benjamin D Johnson, Mark Romanick, Kouhyar Tavakolian, Reza Fazel-Rezai, Reza Fazel-Rezai, Jeffrey L Gendreau, Benjamin D Johnson, Tamanna T K Munia, Ajay K Verma, Kouhyar Tavakolian, Mark Romanick
Assessment, treatment, and management of sport-related concussions are a widely recognized public health issue. Although several neuropsychological and motor assessment tools have been developed and implemented for sports teams at various levels and ages, the sensitivity of these tests has yet to be validated with more objective measures to make return-to-play (RTP) decisions more confidently. The present study sought to analyze the residual effect of concussions on a sample of adolescent athletes who sustained one or more previous concussions compared to those who had no concussion history...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28221726/how-the-molecular-packing-affects-the-room-temperature-phosphorescence-in-pure-organic-compounds-ingenious-molecular-design-detailed-crystal-analysis-and-rational-theoretical-calculations
#20
Yujun Xie, Yuwei Ge, Qian Peng, Conggang Li, Qianqian Li, Zhen Li
Long-lived phosphorescence at room temperature (RTP) from pure organic molecules is rare. Recent research reveals various crystalline organic molecules can realize RTP with lifetimes extending to the magnitude of second. There is little research on how molecular packing affecting RTP. Three compounds are designed with similar optical properties in solution, but tremendously different solid emission characteristics. By investigating the molecular packing arrangement in single crystals, it is found that the packing style of the compact face to face favors of long phosphorescence lifetime and high photoluminescence efficiency, with the lifetime up to 748 ms observed in the crystal of CPM ((9H-carbazol-9-yl)(phenyl)methanone)...
February 21, 2017: Advanced Materials
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