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https://www.readbyqxmd.com/read/28437353/evaluation-of-the-modern-luque-trolley-construct-for-the-treatment-of-early-onset-scoliosis-using-a-gliding-implant-in-an-immature-animal-model
#1
Jean A Ouellet, Catherine E Ferland, Karina Klein, Guillaume Racloz, Karina Klein, Henning Richter, Thomas Steffen, Brigitte von Rechenberg
STUDY DESIGN: This was an experimental animal study. OBJECTIVE: To determine biological compatibility, stability, and growth potential of the Trolley Gliding Vehicle (TGV) used in a novel surgical technique for guided spinal growth. SUMMARY OF BACKGROUND DATA: Current treatments for early-onset scoliosis maintaining spinal growth consist of posteriorly based spinal constructs requiring repetitive lengthening. Such interventions have a high rate of complications...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28436732/administrative-license-suspension-does-length-of-suspension-matter
#2
James C Fell, Michael Scherer
OBJECTIVE: Administrative license revocation (ALR) laws, which provide that the license of a driver with a blood alcohol concentration at or over the illegal limit is subject to an immediate suspension by the state department of motor vehicles, are an example of a traffic law in which the sanction rapidly follows the offense. The power of ALR laws has been attributed to how swiftly the sanction is applied, but does the length of suspension matter? Our objectives were to (a) determine the relationship of the ALR suspension length to the prevalence of drinking drivers relative to sober drivers in fatal crashes and (b) estimate the extent that the relationship is associated to the general deterrent effect compared to the specific deterrent effect of the law...
February 10, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28436583/physical-activity-and-exercise-for-chronic-pain-in-adults-an-overview-of-cochrane-reviews
#3
REVIEW
Louise J Geneen, R Andrew Moore, Clare Clarke, Denis Martin, Lesley A Colvin, Blair H Smith
BACKGROUND: Chronic pain is defined as pain lasting beyond normal tissue healing time, generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep disturbances, poor quality of life, and healthcare costs. Chronic pain has a weighted mean prevalence in adults of 20%.For many years, the treatment choice for chronic pain included recommendations for rest and inactivity. However, exercise may have specific benefits in reducing the severity of chronic pain, as well as more general benefits associated with improved overall physical and mental health, and physical functioning...
April 24, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28435497/improved-accuracy-and-quality-of-information-during-emergency-department-care-transitions
#4
Nnaemeka Okafor, Justin Mazzillo, Sara Miller, Kimberly A Chambers, Samar Yusuf, Vanessa Garza-Miranda, Yashwant Chathampally
INTRODUCTION: Suboptimal communication during emergency department (ED) care transitions has been shown to contribute to medical errors, sometimes resulting in patient injury and litigation. The study objective was to determine whether a standardized checkout process would decrease the number of relevant missed clinical items (MCI). METHODS: In this prospective pre- and post-intervention study conducted in an urban academic ED, we collected data on omitted or inaccurately conveyed medical information before and after the initiation of a standardized checkout process...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28435416/challenges-in-achieving-collaboration-in-clinical-practice-the-case-of-norwegian-health-care
#5
Sissel Steihaug, Anne-Kari Johannessen, Marian Ådnanes, Bård Paulsen, Russell Mannion
INTRODUCTION: This article summarizes and synthesizes the findings of four separate but inter-linked empirical projects which explored challenges of collaboration in the Norwegian health system from the perspectives of providers and patients. The results of the four projects are summarised in eight articles. METHODS: The eight articles constituted our empirical material. Meta-ethnography was used as a method to integrate, translate, and synthesize the themes and concepts contained in the articles in order to understand how challenges related to collaboration impact on clinical work...
July 18, 2016: International Journal of Integrated Care
https://www.readbyqxmd.com/read/28434556/cad-cam-techniques-help-in-the-rebuilding-of-ideal-marginal-gingiva-contours-of-anterior-maxillary-teeth-a-case-report
#6
Jiayue Yin, Dan Liu, Yuehua Huang, Lin Wu, Xiaolin Tang
BACKGROUND AND OVERVIEW: "Pink esthetics," which are considered to be as important as "white esthetics," have attracted increasing attention. To date, clinicians rarely have applied computer-aided design and computer-aided manufacturing (CAD/CAM) techniques in the rebuilding of the contour of the marginal gingiva in the esthetic zone. CASE DESCRIPTION: In this case report, the authors describe a female patient who had gingival inflammation and an asymmetrical contour of the marginal gingiva of the anterior maxillary teeth because previously placed ceramic crowns violated the biological width...
April 20, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28433388/magnetic-resonance-and-diffusion-tensor-imaging-analyses-indicate-heterogeneous-strains-along-human-medial-gastrocnemius-fascicles-caused-by-submaximal-plantar-flexion-activity
#7
Agah Karakuzu, Uluç Pamuk, Cengizhan Ozturk, Burak Acar, Can A Yucesoy
Sarcomere length changes are central to force production and excursion of skeletal muscle. Previous modeling indicates non-uniformity of that if mechanical interaction of muscle with its surrounding muscular and connective tissues is taken into account. Hence, quantifying length changes along the fascicles of activated human muscle in vivo is crucial, but this is lacking due to technical complexities. Combining magnetic resonance imaging deformation analyses and diffusion tensor imaging tractography, the aim was to test the hypothesis that submaximal plantar flexion activity at 15% MVC causes heterogeneous length changes along the fascicles of human medial gastrocnemius (GM) muscle...
April 9, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28432826/ploidy-has-little-effect-on-timing-early-embryonic-events-in-the-haplo-diploid-wasp-nasonia
#8
Deanna Arsala, Jeremy A Lynch
The nucleocytoplasmic (N/C) ratio plays a prominent role in the maternal-to-zygotic transition (MZT) in many animals. The effect of the N/C ratio on cell-cycle lengthening and zygotic genome activation (ZGA) has been studied extensively in Drosophila, where haploid embryos experience an additional division prior to completing cellularization and triploid embryos cellularize precociously by one division. In this study, we set out to understand how the obligate difference in ploidy in the haplodiploid wasp, Nasonia, affects the MZT and which aspects of the Drosophila MZT are conserved...
April 22, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28431383/protocolized-hyperventilation-enhances-electroconvulsive-therapy
#9
Aida de Arriba-Arnau, Antonia Dalmau, Virginia Soria, Neus Salvat-Pujol, Carmina Ribes, Ana Sánchez-Allueva, José Manuel Menchón, Mikel Urretavizcaya
BACKGROUND: Hyperventilation is recommended in electroconvulsive therapy (ECT) to enhance seizures and to increase patients' safety. However, more evidence is needed regarding its effects and the optimum method of application. METHODS: This prospective study involving 21 subjects compared two procedures, protocolized hyperventilation (PHV) and hyperventilation as usual (HVau), applied to the same patient in two consecutive sessions. Transcutaneous partial pressure of carbon dioxide (TcPCO2) was measured throughout all sessions...
April 13, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28428035/evaluation-of-the-external-fixator-truelok-hexapod-system-for-tibial-deformity-correction-in-children
#10
Sébastien Pesenti, Christopher A Iobst, Franck Launay
BACKGROUND: Tibial deformities are common in paediatric orthopaedic practice. Correcting multiplanar tibial deformities associated with lower limb length discrepancycan be challenging. Hexapod external fixation with gradual correction has been proven effective in this situation. OBJECTIVE: To assess clinical and radiological outcomes of gradual tibial deformity correction using the external fixator TL-HEX(TM)(Orthofix) in children. HYPOTHESIS: TL-HEX™ is effective in correcting tibial deformities in children...
April 17, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28426228/ultrafast-dynamics-of-a-triazene-excited-state-pathways-and-the-impact-of-binding-to-the-minor-groove-of-dna-and-further-biomolecular-systems
#11
Lena Grimmelsmann, Alireza Marefat Khah, Christian Spies, Christof Hättig, Patrick Nuernberger
Many synthetic DNA minor groove binders exhibit a strong increase in fluorescence when bound to DNA. The pharmaceutical-relevant berenil (diminazene aceturate) is an exception with an extremely low fluorescence quantum yield (on the order of 10(-4)). We investigate the ultrafast excited-state dynamics of this triazene by femtosecond time-resolved fluorescence experiments in water, ethylene glycol, and buffer and bound to the enzyme β-trypsin, the minor groove of AT-rich DNA, and G-quadruplex DNA. Ab initio calculations provide additional mechanistic insight...
April 20, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28426157/effects-of-ambient-temperature-in-association-with-photoperiod-on-phenology-and-on-the-expressions-of-major-plant-developmental-genes-in-wheat-triticum-aestivum-l
#12
Tibor Kiss, Laura E Dixon, Alexandra Soltész, Judit Bányai, Marianna Mayer, Krisztina Balla, Vincent Allard, Gábor Galiba, Gustavo A Slafer, Simon Griffiths, Ottó Veisz, Ildikó Karsai
In addition to its role in vernalization, temperature is an important environmental stimulus in determining plant growth and development. We used factorial combinations of two photoperiods (16H, 12H) and three temperature levels (11 °C, 18 °C, and 25 °C) to study the temperature responses of 19 wheat cultivars with established genetic relationships. Temperature produced more significant effects on plant development than photoperiod, with strong genotypic components. Wheat genotypes with PPD-D1 photoperiod sensitive allele were sensitive to temperature; their development was delayed by higher temperature, which intensified under non-inductive conditions...
April 20, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28425984/withaferin-a-kills-cancer-cells-with-and-without-telomerase-chemical-computational-and-experimental-evidences
#13
Yue Yu, Shashank P Katiyar, Durai Sundar, Zeenia Kaul, Eijiro Miyako, Zhenya Zhang, Sunil C Kaul, Roger R Reddel, Renu Wadhwa
Maintenance of telomere length is the most consistent attribute of cancer cells. Tightly connected to their capacity to overcome replicative mortality, it is achieved either by activation of telomerase or an Alternative mechanism of Lengthening of Telomeres (ALT). Disruption of either of these mechanisms has been shown to induce DNA damage signalling leading to senescence or apoptosis. Telomerase inhibitors are considered as potential anticancer drugs but are ineffective for ALT cancers (~15% of all cancers)...
April 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28423441/-thumb-lengthening-following-amputation-at-the-proximal-phalanx-using-a-semicircular-distraction-ring-fixator-results-of-5-cases
#14
Elvira Susanne Bodmer, Rahel Meier, Theddy Slongo, Esther Voegelin
Traumatic amputation of the thumb at the proximal phalanx or the metacarpophalangeal joint can be treated by distraction lengthening depending on the location of the amputation, the patient's age, occupation and functional demands. We report the results of proximal phalanx lengthening in 5 patients using a semicircular ring-type external fixator device. This prototype was developed at our clinic in collaboration with a specialised small company (Rotomed AG, Allmenstrasse 4, CH-4512 Bellach, www.rotomed.ch) based on the principles of Ilizarov's external fixator...
February 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28422832/two-year-result-of-intravitreal-bevacizumab-for-diabetic-macular-edema-using-treat-and-extend-protocol
#15
Masahiko Sugimoto, Atsushi Ichio, Takayasu Nunome, Mineo Kondo
To determine the efficacy of the treat and extend (TAE) protocol with intravitreal bevacizumab (IVB) for managing diabetic macular edema (DME).Retrospective, single-center study.For this retrospective study, 42 eyes of 42 patients were initially treated with 3 consecutive monthly IVB injections (loading phase), after which they were selected for different additional therapies. For the TAE protocol, the baseline treatment interval was selected to be 8 weeks and was sequentially lengthened by 2 weeks if the central macular thickness (CMT) was <300 μm at 2 consecutive examinations...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28422349/effects-of-extrinsic-cardiac-nerve-stimulation-on-atrial-fibrillation-inducibility-the-regulatory-role-of-the-spinal-cord
#16
Zixuan Dai, Congxin Huang, Qingyan Zhao, Shujuan Zhang, Hongyi Zhao, Youjing Zhang, Yongsheng Qian, Yanhong Tang
OBJECTIVE: To investigate the effect of the mutual regulation of the extrinsic cardiac nerves on atrial electrophysiology and atrial fibrillation (AF) vulnerability. METHODS AND RESULTS: Fourteen dogs were randomly divided into 2 groups: spinal cord stimulation (SCS) group (n = 7) and spinal cord block (SCB) group (n = 7). SCS was performed with 90% of the threshold voltage stimulating the T1 -T2 spinal level, while SCB was performed by injecting 2% lidocaine into the epidural space at the T2-3 level...
April 19, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28420602/the-fitbit-one-physical-activity-tracker-in-men-with-prostate-cancer-validation-study
#17
Erin L Van Blarigan, Stacey A Kenfield, Lucy Tantum, Lisa A Cadmus-Bertram, Peter R Carroll, June M Chan
BACKGROUND: Physical activity after cancer diagnosis improves quality of life and may lengthen survival. However, objective data in cancer survivors are limited and no physical activity tracker has been validated for use in this population. OBJECTIVE: The aim of this study was to validate the Fitbit One's measures of physical activity over 7 days in free-living men with localized prostate cancer. METHODS: We validated the Fitbit One against the gold-standard ActiGraph GT3X+ accelerometer in 22 prostate cancer survivors under free-living conditions for 7 days...
April 18, 2017: JMIR Cancer
https://www.readbyqxmd.com/read/28419455/human-electrical-muscular-incapacitation-and-effects-on-qtc-interval
#18
John A Gibbons, Andrew J Mojica, Mark E Peele
Human Electrical Muscular Incapacitation (HEMI) is used to subdue combative individuals. Changes in cardiac electrical activity have been proposed as the cause of death in a small fraction of these individuals. The current study sought to determine whether changes in QTc interval occur after HEMI exposure. Twenty-four participants had EKG readings before a 5-second HEMI exposure and within 30 min after exposure. All subject EKGs were read by a data-blinded cardiac electrophysiologist who calculated a QT corrected (QTc) interval...
April 17, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28419010/extending-short-peripheral-catheter-dwell-time-a-best-practice-discussion
#19
Brenda Ansel, Michelle Boyce, Jennifer L Embree
Complications involving short peripheral catheters (SPCs) can significantly affect health care costs, patient quality of life, morbidity, mortality, and treatment expense, especially when the hospital stay is lengthened. This article examines the relationship between SPC dwell time and the incidence of phlebitis and potential bacteremia. The literature is replete with most studies supporting SPCs remaining in situ until a clinical reason warrants catheter removal. Removing and not routinely restarting unneccessary intravenous catheters can help prevent catheter-related infections and other vascular complications and reduce cost...
May 2017: Journal of Infusion Nursing: the Official Publication of the Infusion Nurses Society
https://www.readbyqxmd.com/read/28416306/histologic-findings-of-a-human-immature-revascularized-regenerated-tooth-with-symptomatic-irreversible-pulpitis
#20
Chufang Peng, Yuming Zhao, Wenjun Wang, Yuan Yang, Man Qin, Lihong Ge
INTRODUCTION: Pulp revascularization/regeneration in immature permanent teeth with necrotic pulp and/or apical periodontitis is an effective approach for inducing root maturation. Previous histologic studies showed cementoid/osteoid tissue and/or periodontal ligament-like tissue formed within the root canals. This case report describes the histologic findings of a human symptomatic irreversible pulpitis immature permanent tooth with most of the pulp removed after a revascularization/regeneration procedure...
April 14, 2017: Journal of Endodontics
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