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https://www.readbyqxmd.com/read/28068561/classifying-the-variability-in-impact-and-active-peak-vertical-ground-reaction-forces-during-running-using-dfa-and-arfima-models
#1
Samantha L Winter, John H Challis
The vertical ground reaction force (VGRF) during rear-foot striking running typically exhibits peaks referred to as the impact peak and the active peak; their timings and magnitudes have been implicated in injury. Identifying the structure of time-series can provide insight into associated control processes. The purpose here was to detect long-range correlations associated with the time from first contact to impact peak (TIP) and active peak (TAP); and the magnitudes of impact (IPM) and active peaks (APM) using a Detrended Fluctuation Analysis, and Auto-Regressive Fractionally Integrated Moving Average models...
January 6, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28068554/movement-integration-in-elementary-classrooms-teacher-perceptions-and-implications-for-program-planning
#2
Collin A Webster, Nicole Zarrett, Brittany S Cook, Cate Egan, Danielle Nesbitt, R Glenn Weaver
Movement integration (MI), which involves infusing physical activity (PA) into regular classroom time in schools, is widely recommended to help children meet the national guideline of 60min of PA each day. Understanding the perspective of elementary classroom teachers (ECTs) toward MI is critical to program planning for interventions/professional development. This study examined the MI perceptions of ECTs in order to inform the design and implementation of a school-based pilot program that focused in part on increasing children's PA through MI...
December 24, 2016: Evaluation and Program Planning
https://www.readbyqxmd.com/read/28049374/needle-track-seeding-after-percutaneous-radiofrequency-ablation-of-hepatocellular-carcinoma-14-year-experience-at-a-single-center
#3
Zhong-Yi Zhang, Wei Yang, Kun Yan, Ying Dai, Wei Wu, Jung-Chieh Lee, Min-Hua Chen
PURPOSE: To determine the incidence, risk factors and prognosis associated with needle track seeding after percutaneous radiofrequency ablations(RFA) for hepatocellular carcinoma(HCC) with a long-term follow-up. MATERIALS AND METHODS: 741 HCC patients undergoing percutaneous RFA were retrospectively analyzed. Mean follow-up interval was 34.3±26.8 months. All seeding neoplasms were diagnosed by imaging modalities with or without pathological evaluation. Risk factors, including Child-Pugh grading, tumor size, number, location, serum AFP level, track number, biopsy before RFA and electrode type were performed by univariate analysis...
January 3, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28024835/leukocytosis-and-neutrophilia-predicts-outcome-in-anal-cancer
#4
Antoine Schernberg, Alexandre Escande, Eleonor Rivin Del Campo, Michel Ducreux, France Nguyen, Diane Goere, Cyrus Chargari, Eric Deutsch
OBJECTIVE: Leukocytosis and neutrophilia could be the tip of the iceberg in the inflammatory tumor microenvironment. We aimed to validate their prognostic significance in a cohort of patients treated with definitive chemoradiation for anal squamous cell carcinoma (SCC). MATERIALS & METHODS: Clinical records from all consecutive patients treated in a single institution between 2006 and 2016 with curative-intent radiotherapy were retrospectively analyzed. Leukocytosis and neutrophilia, defined as leukocyte or neutrophil count over 10,000 and 7500/mm(3), respectively, were studied in terms of overall survival (OS), progression (PFS), locoregional (LFS) and distant (DFS)-free survival...
December 23, 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28024434/twelve-tips-on-writing-a-discussion-case-that-facilitates-teaching-and-engages-learners
#5
David A Cohen, Lori R Newman, Laurie N Fishman
The authors share twelve practical tips on writing a case that engages learners in active learning and discussion. They first advise that, during the initial preparation of the case, authors should (1) identify the case goals and objectives, and (2) identify the level of the learners. When writing the case, authors should (3) use active and colorful language; (4) use patients' own descriptions rather than medical language; (5) allow the learners to interpret data themselves; (6) allow for natural discovery rather than presenting information chronologically; and (7) be realistic about interruptions in patient care...
December 26, 2016: Medical Teacher
https://www.readbyqxmd.com/read/28024427/twelve-tips-on-how-to-establish-a-new-undergraduate-firm-on-a-critical-care-unit
#6
Nasser Khan, Keiarash Jovestani, Craig Spencer, Raymond Man, Mark Pugh, Alexander Woywodt
BACKGROUND: Little is known about undergraduate teaching in critical care unit (CrCU) and many undergraduate curricula lack placements in CrCU. AIMS: To describe how our CrCU succeeded in developing a novel placement for Year 3 undergraduate medical students. METHODS: Particular emphasis was placed on a robust timetable incorporating a variety of activities, a dedicated and thorough induction, and a mix of teaching methods such as formal and informal, consultant-led, and skills...
December 26, 2016: Medical Teacher
https://www.readbyqxmd.com/read/27956375/an-ecological-momentary-intervention-for-smoking-cessation-evaluation-of-feasibility-and-effectiveness
#7
Michael S Businelle, Ping Ma, Darla E Kendzor, Summer G Frank, Damon J Vidrine, David W Wetter
BACKGROUND: Despite substantial public health progress in reducing the prevalence of smoking in the United States overall, smoking among socioeconomically disadvantaged adults remains high. OBJECTIVE: To determine the feasibility and preliminary effectiveness of a novel smartphone-based smoking cessation app designed for socioeconomically disadvantaged smokers. METHODS: Participants were recruited from a safety-net hospital smoking cessation clinic in Dallas, Texas, and were followed for 13 weeks...
December 12, 2016: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/27919308/outbreak-of-pantoea-agglomerans-bloodstream-infections-at-an-oncology-clinic-illinois-2012-2013
#8
Brian R Yablon, Raymund Dantes, Victoria Tsai, Rachel Lim, Heather Moulton-Meissner, Matthew Arduino, Bette Jensen, Megan Toth Patel, Michael O Vernon, Yoran Grant-Greene, Demian Christiansen, Craig Conover, Alexander Kallen, Alice Y Guh
OBJECTIVE To determine the source of a healthcare-associated outbreak of Pantoea agglomerans bloodstream infections. DESIGN Epidemiologic investigation of the outbreak. SETTING Oncology clinic (clinic A). METHODS Cases were defined as Pantoea isolation from blood or catheter tip cultures of clinic A patients during July 2012-May 2013. Clinic A medical charts and laboratory records were reviewed; infection prevention practices and the facility's water system were evaluated. Environmental samples were collected for culture...
December 6, 2016: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/27887876/an-accuracy-study-of-computer-planned-implant-placement-in-the-augmented-maxilla-using-osteosynthesis-screws
#9
L M Verhamme, G J Meijer, A Soehardi, S J Bergé, T Xi, T J J Maal
Previous research on the accuracy of flapless implant placement of virtually planned implants in the augmented maxilla revealed unfavourable discrepancies between implant planning and placement. By using the osteosynthesis screws placed during the augmentation procedure, the surgical template could be optimally stabilized. The purpose of this study was to validate this method by evaluating its clinically relevant accuracy. Twelve consecutive fully edentulous patients with extreme resorption of the maxilla were treated with a bone augmentation procedure...
November 22, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27868188/patency-of-paediatric-endotracheal-tubes-for-airway-instrumentation
#10
J Elfgen, P K Buehler, J Thomas, M Kemper, S Imach, M Weiss
BACKGROUND: Airway exchange catheters (AEC) and fiberoptic bronchoscopes (FOB) for tracheal intubation are selected so that there is only a minimal gap between their outer and inner diameter of endotracheal tube (ETT) to minimize the risk of impingement during airway instrumentation. This study aimed to test the ease of passage of FOBs and AECs through paediatric ETT of different sizes and from different manufacturers when using current recommendations for dimensional equipment compatibility taken from text books and manufacturers information...
January 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/27855774/total-ankle-replacement-through-a-lateral-approach-surgical-tips
#11
Federico Giuseppe Usuelli, Cristian Indino, Camilla Maccario, Luigi Manzi, Vincenzo Salini
PURPOSE: Recently, the Zimmer Trabecular Metal Total Ankle Replacement (Zimmer TM TAR) was developed to be used through a lateral transfibular approach. The purpose of this paper is to describe the surgical technique and early outcomes of the TAR via the lateral approach using the Zimmer TM TARs. METHODS: Sixty-seven patients underwent primary TAR using the Zimmer TM TAR between May 2013 and May 2015. Patients were clinically evaluated preoperatively and postoperatively at six and twelve months and annually using the American Orthopaedic Foot & Ankle Society (AOFAS) ankle and hindfoot scores, visual analogue scale (VAS) pain score, and the Short Form Health Survey (SF-12) questionnaire...
2016: SICOT-J
https://www.readbyqxmd.com/read/27832725/twelve-tips-for-turning-quality-assurance-data-into-undergraduate-teaching-awards-a-quality-improvement-and-student-engagement-initiative
#12
Kate Newton, Helen Lewis, Mark Pugh, Madhavi Paladugu, Alexander Woywodt
Data on teaching awards in undergraduate medical education are sparse. The benefits of an awards system may seem obvious at first glance. However, there are also potential problems relating to fairness, avoidance of bias, and alignment of the awards system with a wider strategy for quality improvement and curriculum development. Here, we report five- year single center experience with establishing undergraduate teaching awards in a large academic teaching hospital. Due to lack of additional funding we based our awards not on peer review but mainly on existing and very comprehensive quality assurance (QA) data...
November 10, 2016: Medical Teacher
https://www.readbyqxmd.com/read/27832380/endoscopic-approach-routes-in-the-posterior-fossa-cisterns-through-the-retrosigmoid-keyhole-craniotomy-an-anatomical-study
#13
Peter Kurucz, Gabor Baksa, Lajos Patonay, Firas Thaher, Michael Buchfelder, Oliver Ganslandt
Endoscopy in cerebellopontine angle surgery is an increasingly used technique. Despite of its advantages, the shortcomings arising from the complex anatomy of the posterior fossa are still preventing its widespread use. To overcome these drawbacks, the goal of this study was to define the anatomy of different endoscopic approaches through the retrosigmoid craniotomy and their limitations by surgical windows. Anatomical dissections were performed on 25 fresh human cadavers to describe the main approach-routes...
November 10, 2016: Neurosurgical Review
https://www.readbyqxmd.com/read/27803906/endosonographic-examination-of-thyroid-gland-among-patients-with-nonthyroid-cancers
#14
Amer A Alkhatib, Abdulah A Mahayni, Ghaleb R Chawki, Leon Yoder, Fateh A Elkhatib, Mohammad Al-Haddad
OBJECTIVES: There is limited endosonographic literature regarding thyroid gland pathology, which is frequently visualized during upper endoscopic ultrasound (EUS). Our objective was to assess the prevalence of benign and malignant thyroid lesions encountered during routine upper EUS within a cancer center setting. MATERIALS AND METHODS: The data were prospectively collected and retrospectively analyzed. All upper EUS procedures performed between October 2012 and July 2014 were reviewed at a large referral cancer center...
September 2016: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/27797494/automated-affinity-capture-and-on-tip-digestion-to-accurately-quantitate-in-vivo-deamidation-of-therapeutic-antibodies
#15
John C Tran, Daniel Tran, Amy Hilderbrand, Nisana Andersen, Tao Huang, Karin Reif, Isidro Hotzel, Eric G Stefanich, Yichin Liu, Jianyong Wang
Deamidation of therapeutic antibodies may result in decreased drug activity and undesirable changes in pharmacokinetics and immunogenicity. Therefore, it is necessary to monitor the deamidation levels [during storage] and after in vivo administration. Because of the complexity of in vivo samples, immuno-affinity capture is widely used for specific enrichment of the target antibody prior to LC-MS. However, the conventional use of bead-based methods requires large sample volumes and extensive processing steps...
December 6, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/27734111/reliability-of-a-ct-reconstruction-for-preoperative-surgical-planning-in-the-arthroscopic-latarjet-procedure
#16
Alexandre Hardy, Philippe Loriaut, Benjamin Granger, Ahmed Neffati, Audrey Massein, Laurent Casabianca, Hugues Pascal-Moussellard, Antoine Gerometta
PURPOSE: The arthroscopic Latarjet procedure has provided reliable results in the treatment of anterior shoulder instability. However, this procedure remains technically challenging and is related to several complications. The morphology of the coracoid and the glenoid are inconsistent. Inadequate coracoid and glenoid preparing may lead to mismatching between their surfaces. Inadequate screws lengthening and orientation are a major concern. Too long screws can lead to suprascapular nerve injuries or hardware irritation, whereas too short screws can lead to nonunions, fibrous unions or migration of the bone block...
October 12, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27698642/impact-of-long-flexor-versus-intrinsic-dominance-in-the-generation-of-arc-of-finger-flexion
#17
James R Seaward, Fiona Peck, Vivien C Lees
Background: Finger flexion is a composite movement involving both long flexors and intrinsic hand muscles. Previous studies have characterized this but have not investigated differences within the normal population. Were discrete finger motion patterns identified, this could guide rehabilitation programs following flexor tendon surgery. Methods: Twelve volunteers repeatedly flexed and extended at a comfortable speed, resting their hand on a horizontal surface. Video was recorded perpendicular to the little finger flexion plane, and the little finger tip position was identified frame by frame to create a composite curve...
September 2016: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/27678279/twelve-tips-for-assessing-surgical-performance-and-use-of-technical-assessment-scales
#18
Jeanett Strandbygaard, Fedde Scheele, Jette Led Sørensen
Using validated assessment scales for technical competence can help structure and standardize assessment and feedback for both the trainee and the supervisor and thereby avoid bias and drive learning. Correct assessment of operative skills can establish learning curves and allow adequate monitoring. However, the assessment of surgical performance is not an easy task, since it includes many proxy parameters, which are hard to measure. Although numerous technical assessment scales exist, both within laparoscopic and open surgery, the validity evidence is often sparse, and this can raise doubts about reliability and educational outcome...
September 28, 2016: Medical Teacher
https://www.readbyqxmd.com/read/27665669/twelve-tips-for-applying-the-science-of-learning-to-health-professions-education
#19
H C Gooding, K Mann, E Armstrong
Findings from the science of learning have clear implications for those responsible for teaching and curricular design. However, this data has been historically siloed from educators in practice, including those in health professions education. In this article, we aim to bring practical tips from the science of learning to health professions educators. We have chosen to organize the tips into six themes, highlighting strategies for 1) improving the processing of information, 2) promoting effortful learning for greater retention of knowledge over time, 3) applying learned information to new and varied contexts, 4) promoting the development of expertise, 5) harnessing the power of emotion for learning, and 6) teaching and learning in social contexts...
September 25, 2016: Medical Teacher
https://www.readbyqxmd.com/read/27662184/concave-platinum-copper-octopod-nanoframes-bounded-with-multiple-high-index-facets-for-efficient-electrooxidation-catalysis
#20
Shuiping Luo, Pei Kang Shen
Multimetallic nanoframes with three-dimensional (3D) catalytic surfaces represent an emerging class of efficient nanocatalysts. However, it still remains a challenge in engineering nanoframes via simple and economical methods. Herein, we report a facile one-pot synthetic strategy to synthesize Pt-Cu nanoframes bounded with multiple high-index facets as highly active electrooxidation catalysts. Two distinct octopod nanoframes, namely, concave PtCu2 octopod nanoframes (PtCu2 CONFs) and ultrathin PtCu octopod nanoframes (PtCu UONFs) were successfully synthesized by simply changing the feeding Pt and Cu precursors...
October 4, 2016: ACS Nano
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