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https://www.readbyqxmd.com/read/28346492/dual-energy-x-ray-absorptiometry-body-composition-reference-values-of-limbs-and-trunk-from-nhanes-1999-2004-with-additional-visualization-methods
#1
Benjamin J Hinton, Bo Fan, Bennett K Ng, John A Shepherd
Body Mass Index has traditionally been used as a measure of health, but Fat Mass Index (FMI) and Lean Mass Index (LMI) have been shown to be more predictive of mortality and health risk. Total body FMI and LMI reference curves have particularly been useful in quantifying sarcopenia and sarcopenic obesity. Research has shown regional composition has significant associations to health outcomes. We derived FMI and LMI reference curves of the regions of the body (leg, arm, and trunk) for 15,908 individuals in the 1999-2004 National Health and Nutrition Examination Survey data for each sex and ethnicity using the Lambda-Mu-Sigma (LMS) method and developed software to visualize this regional composition...
2017: PloS One
https://www.readbyqxmd.com/read/28343710/a-new-computing-approach-for-power-signal-modeling-using-fractional-adaptive-algorithms
#2
Naveed Ishtiaq Chaudhary, Syed Zubair, Muhammad Asif Zahoor Raja
Estimating the harmonic parameters is fundamental requirement for signal modelling in a power supply system. In this study, exploration and exploitation in fractional adaptive signal processing (FrASP) is carried out for identification of parameters in power signals. We design FrASP algorithms based on recently introduced variants of generalized least mean square (LMS) adaptive strategies for parameter estimation of the model. The performance of the proposed fractional adaptive schemes is evaluated for number of scenarios based on step size and noise variations...
March 23, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28342361/giant-leiomyosarcoma-of-the-rectum-with-lymph-node-metastasis-a-case-report-and-review-of-the-literature
#3
Hiroyuki Anzai, Hiroaki Nozawa, Junichiro Tanaka, Koji Yasuda, Kensuke Otani, Takeshi Nishikawa, Toshiaki Tanaka, Tomomichi Kiyomatsu, Keisuke Hata, Kazushige Kawai, Tetsuo Ushiku, Soichiro Ishihara, Toshimi Takano, Masashi Fukayama, Toshiaki Watanabe
INTRODUCTION: Leiomyosarcoma of the gastrointestinal tract is very rare, with a reported frequency of less than 0.1% of all malignancies of the colorectum. It is important to diagnose leiomyosarcoma definitively by immunohistochemical profiling of smooth muscle actin, desmin, and CD34. True leiomyosarcoma of the colorectum diagnosed by immunnohistochemical profiling is extremely rare that only 13 reports have been published in reviews of resected gastrointestinal mesenchymal tumors after 1998...
March 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28340268/is-differential-expression-of-p16ink4a-based-on-the-classification-of-uterine-smooth-muscle-tumors-associated-with-a-different-prognosis-a-meta-analysis
#4
H Y Cao, S Yang, S Wang, L Y Deng, J Y Lou
We conducted a meta-analysis to examine p16INK4a expression in uterine smooth muscle tumors (USMTs). Although the prognostic value of tumor suppressor p16INK4a has been elucidated in a variety of cancers and precancerous lesions, its role in USMTs is not well established. We searched PubMed, Web of Science, and Embase for publication son p16INK4a expression in USMTs. Strict inclusion and exclusion criteria were imposed. Risk ratios (RRs) with 95% confidence intervals (95%CIs) were calculated to assess the strength of association...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28332023/exposure-of-the-freshwater-bivalve-hyridella-australis-to-metal-contaminated-sediments-in-the-field-and-laboratory-microcosms-metal-uptake-and-effects
#5
Chamani P M Marasinghe Wadige, Anne M Taylor, Frank Krikowa, Mark Lintermans, William A Maher
Metal uptake and induced toxic effects on Hyridella australis were investigated by establishing 28 day exposure-dose-response relationships (EDR) of transplanted H. australis at four sites along a sediment metal contamination gradient in the mine affected Molonglo River, NSW. Laboratory exposure of this organism to the same sediments, collected from in situ sites, was run concurrently. Metal concentrations in whole organisms, individual tissues and sub-cellular tissue fractions were measured as organism metal dose...
March 22, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28328716/vertical-jump-and-leg-power-normative-data-for-colombian-schoolchildren-aged-9-17-9-years-the-fuprecol-study
#6
Robinson Ramírez-Vélez, Jorge E Correa-Bautista, Felipe Lobelo, Eduardo L Cadore, Alicia M Alonso-Martinez, Mikel Izquierdo
Ramírez-Vélez, R, Correa-Bautista, JE, Lobelo, F, Cadore, EL, Alonso-Martinez, AM, and Izquierdo, M. Vertical jump and leg power normative data for Colombian schoolchildren aged 9-17.9 years: the FUPRECOL study. J Strength Cond Res 31(4): 990-998, 2017-The aims of the present study were to generate normative vertical jump height and predicted peak power (Ppeak) data for 9- to 17.9-year-olds and to investigate between-sex and age group differences in these measures. This was a cross-sectional study of 7,614 healthy schoolchildren (boys n = 3,258 and girls n = 4,356, mean [SD] age 12...
April 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28328518/application-of-lms-based-nn-structure-for-power-quality-enhancement-in-a-distribution-network-under-abnormal-conditions
#7
Rahul Kumar Agarwal, Ikhlaq Hussain, Bhim Singh
This paper proposes an application of a least mean-square (LMS)-based neural network (NN) structure for the power quality improvement of a three-phase power distribution network under abnormal conditions. It uses a single-layer neuron structure for the control in a distribution static compensator (DSTATCOM) to attenuate the harmonics such as noise, bias, notches, dc offset, and distortion, injected in the grid current due to connection of several nonlinear loads. This admittance LMS-based NN structure has a simple architecture which reduces the computational complexity and burden which makes it easy to implement...
March 16, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28314296/perfusion-ct-changes-in-liver-metastases-from-pancreatic-neuroendocrine-tumors-during-everolimus-treatment
#8
Mirko D'Onofrio, Sara Cingarlini, Silvia Ortolani, Stefano Crosara, Riccardo DE Robertis, Paola Vallerio, Elisabetta Grego, Valentina Ciaravino, Andrea Ruzzenente, Luca Landoni, Aldo Scarpa, Claudio Bassi, Giampaolo Tortora
AIM: To evaluate modifications of perfusional parameters assessed by perfusion computed tomography (P-CT) of liver metastases (LM) from pancreatic neuroendocrine tumors (PanNETs) during everolimus treatment. PATIENTS AND METHODS: All patients with LMs from G1-2 PanNETs undergoing everolimus treatment between January 2013 and January 2015 were prospectively evaluated with P-CT at baseline, and after 2 and 4 months of therapy. Size, perfusion, blood volume (BV), peak enhancement intensity (PEI) and time to peak for each lesion were calculated...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28304212/influence-of-laser-microtextured-surface-collar-on-marginal-bone-loss-and-peri-implant-soft-tissue-response-a-systematic-review-and-meta-analysis
#9
Zhaozhao Chen, Yujiao Zhang, Junying Li, Hom-Lay Wang, Haiyang Yu
BACKGROUND: Laser-microtextured surface (LMS) dental implant collar appears to promote a more tooth-like gingival collagen fiber attachment, which may help to stabilize the peri-implant tissues. The purpose of this systematic review was to assess the clinical effect of LMS on crestal bone level and peri-implant soft tissue response, versus non-LMS collar. METHODS: Electronic and manual literature searches were performed by two independent reviewers for articles written in English up to December 2016...
March 17, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28298257/the-diagnostic-advantage-of-eob-mr-imaging-over-ct-in-the-detection-of-liver-metastasis-in-patients-with-potentially-resectable-pancreatic-cancer
#10
Takaaki Ito, Teiichi Sugiura, Yukiyasu Okamura, Yusuke Yamamoto, Ryo Ashida, Takeshi Aramaki, Masahiro Endo, Katsuhiko Uesaka
BACKGROUND: Liver metastases (LMs) are sometimes diagnosed intraoperatively, even when multidetector-row computed tomography (MDCT) reveals no LM in the staging of pancreatic cancer (PC). Gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid-enhanced magnetic resonance imaging (EOB-MR imaging) may have a role to play in the detection of LM. METHODS: The present study included a total of 201 patients who underwent an EOB-MR imaging examination before undergoing surgical resection for pancreatic cancer that was determined to be radiologically-resectable by MDCT...
March 8, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28296233/sustained-response-to-standard-dose-osimertinib-in-a-patient-with-plasma-t790m-positive-leptomeningeal-metastases-from-primary-lung-adenocarcinoma
#11
Oscar Siu-Hong Chan, Warren Kam-Wing Leung, Rebecca Mei-Wan Yeung
A 44-year-old male, never smoker, suffers from stage IV adenocarcinoma of the right lung with epidermal growth factor receptor (EGFR) exon-21 L858R point mutation on initial presentation. After 23 months of treatment with gefitinib, intercalated with multiple courses of radiotherapy, leptomeningeal metastases (LMs) developed. Acquired T790M mutation was confirmed by the droplet digital polymerase chain reaction plasma EGFR test. After switching to osimertinib at the standard dose, his neurocognitive function improved clinically, coupled with sustained radiological improvement...
March 15, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28293202/automating-individualized-formative-feedback-in-large-classes-based-on-a-directed-concept-graph
#12
Henry E Schaffer, Karen R Young, Emily W Ligon, Diane D Chapman
Student learning outcomes within courses form the basis for course completion and time-to-graduation statistics, which are of great importance in education, particularly higher education. Budget pressures have led to large classes in which student-to-instructor interaction is very limited. Most of the current efforts to improve student progress in large classes, such as "learning analytics," (LA) focus on the aspects of student behavior that are found in the logs of Learning Management Systems (LMS), for example, frequency of signing in, time spent on each page, and grades...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28288227/-physical-activity-patterns-of-school-adolescents-validity-reliability-and-percentiles-proposal-for-their-evaluation
#13
Marco Cossío Bolaños, Jorge Méndez Cornejo, Cristian Luarte Rocha, Rodrigo Vargas Vitoria, Bernabé Canqui Flores, Rossana Gomez Campos
Regular physical activity (PA) during childhood and adolescence is important for the prevention of non-communicable diseases and their risk factors. OBJECTIVES: To validate a questionnaire for measuring patterns of PA, verify the reliability, comparing the levels of PA aligned with chronological and biological age, and to develop percentile curves to assess PA levels depending on biological maturation. SUBJECTS AND METHOD: Descriptive cross-sectional study was performed on a sample non-probabilistic quota of 3,176 Chilean adolescents (1685 males and 1491 females), with a mean age range from 10...
February 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28276868/population-based-birth-weight-reference-percentiles-for-chinese-twins
#14
Li Dai, Changfei Deng, Yanhua Li, Ling Yi, Xiaohong Li, Yi Mu, Qi Li, Qiang Yao, Yanping Wang
BACKGROUND: Birth weight percentiles by gestational age are important for assessing prenatal growth and predicting postnatal outcomes of newborns. Several countries have developed nation-specific birth weight references for twins, but China still lacks such references. METHODS AND RESULTS: Birth weight data for twins born between October 2006 and September 2015 were abstracted from the China National Population-based Birth Defects Surveillance System. A total of 54,786 live twin births aged ≥28 weeks of gestation without birth defects were included in the analysis...
February 28, 2017: Annals of Medicine
https://www.readbyqxmd.com/read/28276085/both-baseline-and-change-in-lower-limb-muscle-strength-in-younger-women-are-independent-predictors-of-balance-in-middle-age-a-12-yr-population-based-prospective-study
#15
Feitong Wu, Michele Callisaya, Karen Wills, Laura L Laslett, Graeme Jones, Tania Winzenberg
Poor balance is a risk factor for falls and fracture in older adults, but little is known about modifiable factors affecting balance in younger women. This study aimed to examine whether lower limb muscle strength (LMS) in young women and changes in LMS are independent predictors of balance in middle-age. This was an observational 10-yr follow-up of 470 women aged 25-44 years at baseline who had previously participated in a 2-yr population-based randomised controlled trial of osteoporosis education interventions...
March 9, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28273211/spirometry-reference-values-in-the-brazilian-population
#16
R Rufino, C H Costa, A J Lopes, A I Maiworm, K Maynard, L M R A Silva, R M Dias
The aim of the present study was to provide new spirometry reference equations in a sample of the Brazilian population for the following parameters: forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), FEV1/FVC ratio, peak of expiratory flow (PEF), forced expiratory flow at 50% (FEF50%), 75% average vital capacity (FEF25-75%), and average forced expiratory flow time (FEFT). This was a prospective study using results from chest radiographs, electrocardiograms, and questionnaires to investigate the participants' respiratory symptoms, sedentarism, and comorbidities (Charlson comorbidity index)...
March 2, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28271093/uterine-sarcoma-with-ambiguous-histomorphology-a-case-report
#17
Eirwen M Miller, Yumei Fu, Ruben Barrera Vera, Gary L Goldberg, Rouzan G Karabakhtsian
BACKGROUND: Leiomyosarcomas (LMS) and endometrial stromal sarcomas (ESS) may display overlapping histomorphology, which may challenge diagnostic accuracy. Since LMS and ESS have vastly different clinical behavior and adjuvant therapy recommendations, accurate diagnosis is critical. CASE: We present the case of an 83-year-old female with postmenopausal bleeding who underwent total abdominal hysterectomy with bilateral salpingo-oophorectomy for clinically atypical appearing leiomyomata...
May 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28258804/efficacy-and-safety-of-adjunctive-steroid-injection-after-microsurgical-removal-of-benign-vocal-fold-lesions
#18
Jung-Hae Cho, Sang-Yeon Kim, Young-Hoon Joo, Young-Hak Park, Woo-Seob Hwang, Dong-Il Sun
OBJECTIVE: This study aims to investigate the clinical efficacy and safety of immediate intralesional steroid injection in patients undergoing laryngeal microsurgery (LMS) for benign vocal fold lesions (BVFLs). STUDY DESIGN: This is a single-institution, retrospective cohort study. METHODS: Patients were divided into two groups according to whether or not they received adjunctive steroid injection after LMS. We evaluated the outcomes using objective, perceptual voice analysis and videostroboscopy...
February 28, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28254230/a-case-controlled-study-comparing-harmonic-versus-electrosurgery-in-laparoscopic-myomectomy
#19
Hsin Hong Kuo, Yichieh Li, Chin-Jung Wang, Hsiao-Ting Juang, Chuan-Yao Lee
OBJECTIVE: To compare the safety and effectiveness of the harmonic scalpel and conventional electrosurgery in laparoscopic myomectomy (LM). MATERIALS AND METHODS: We performed a retrospective chart review of 591 women with symptomatic uterine fibroids who underwent LM. Thirty-three cases of LMs with harmonic scalpel (LMH) were compared with a matched control group that underwent conventional electrosurgery (LME). Outcome measures for both groups were studied comparatively in terms of the amount of blood loss, requirement of blood transfusion, length of operative time, cost, and hospital stay...
February 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28249214/lectin-magnetic-separation-lms-for-isolation-of-toxoplasma-gondii-oocysts-from-concentrated-water-samples-prior-to-detection-by-microscopy-or-qpcr
#20
Jemere Bekele Harito, Andrew T Campbell, Kristoffer Relling Tysnes, J P Dubey, Lucy J Robertson
Although standard methods for analyzing water samples for the protozoan parasites Cryptosporidium spp. and Giardia duodenalis are available and widely used, equivalent methods for analyzing water samples for Toxoplasma gondii oocysts are lacking. This is partly due to the lack of a readily available, reliable immunomagnetic separation technique (IMS). Here we investigated the use of lectin-magnetic separation (LMS) for isolating T. gondii oocysts from water sample concentrates, with subsequent detection by microscopy or molecular methods...
February 21, 2017: Water Research
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