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https://www.readbyqxmd.com/read/28325000/mechanomyography-signals-in-spastic-muscle-and-the-correlation-with-the-modified-ashworth-scale
#1
E L Santos, M C Santos, E Krueger, G N Nogueira-Neto, P Nohama
The modified Ashworth scale (MAS) is the most widely used measurement technique to assess levels of spasticity. In MAS, the evaluator graduates spasticity considering his/her subjective analysis of the muscular endurance during passive stretching. Therefore, it is a subjective scale. Mechanomyography (MMG) allows registering the vibrations generated by muscle contraction and stretching events that propagate through the tissue until the surface of the skin. With this in mind, this study aimed to investigate possible correlations between MMG signal and muscle spasticity levels determined by MAS...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324981/hemodynamic-determinants-and-ventriculo-arterial-coupling-are-sex-associated-in-heart-failure-patients
#2
Peter L Kerkhof, Guy R Heyndrickx, John K-J Li
End-systolic volume (ESV) and end-diastolic volume (EDV) are key parameters in the analysis of left ventricular (LV) function, and the study of cardiac remodeling. The volume regulation graph (VRG) relates these fundamental determinants, and permits convenient stratification for clinically relevant covariates. This contribution analyzes sex-associated differences in hemodynamic parameters for 197 heart failure (HF) patients, evaluated by biplane ventriculography, in combination with arterial pressure. We calculated LV parameters such as stroke volume (SV), cardiac output (CO), ESV, EDV, ejection fraction (EF), end-systolic elastance (Emax), besides arterial parameters: effective arterial elastance (Ea), elastance ratio (the coupling index k), peripheral resistance (Rs), pulse pressure (PP), and arterial compliance (C), all normalized for body surface area when appropriate...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324889/evaluation-of-clinicopathological-factors-in-pd-1-response-derivation-and-validation-of-a-prediction-scale-for-response-to-pd-1-monotherapy
#3
Adi Nosrati, Katy K Tsai, Simone M Goldinger, Paul Tumeh, Barbara Grimes, Kimberly Loo, Alain P Algazi, Thi Dan Linh Nguyen-Kim, Mitchell Levesque, Reinhard Dummer, Omid Hamid, Adil Daud
BACKGROUND: Anti-PD-1 therapy has shown significant clinical activity in advanced melanoma. We developed and validated a clinical prediction scale for response to anti- PD-1 monotherapy. METHODS: A total of 315 patients with advanced melanoma treated with pembrolizumab (2 or 10 mg kg(-1) Q2W or Q3W) or nivolumab (3 mg kg(-1) Q2W) at four cancer centres between 2011 to 2013 served as the setting for the present cohort study. Variables with significant association to response on a univariate analysis were entered into a forward stepwise logistic regression model and were given a score based on ORs to calculate a clinical prediction scale...
March 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28324791/spatio-temporal-neighborhood-impacts-on-internalizing-and-externalizing-behaviors-in-u-s-elementary-school-children-effect-modification-by-child-and-family-socio-demographics
#4
Jamie L Humphrey, Elisabeth D Root
Increasing evidence from experimental and non-experimental research has shown that children residing in disadvantaged neighborhoods exhibit greater levels of internalizing and externalizing behaviors, above and beyond individual characteristics, and family or school contexts. Using the ECLS-K, a nationally representative, longitudinal survey of U.S. school children, this study examined direct neighborhood effects on internalizing (N = 14,870; N = 10,610) and externalizing (N = 14,960; N = 10,730) behaviors at the beginning and end of elementary school...
March 12, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28324283/prognostic-value-of-computed-tomography-measured-parameters-of-body-composition-in-primary-operable-gastrointestinal-cancers
#5
Douglas Black, Craig Mackay, George Ramsay, Zaid Hamoodi, Shayanthan Nanthakumaran, Kenneth G M Park, Malcolm A Loudon, Colin H Richards
BACKGROUND: Previous reports suggest that body composition parameters can be used to predict outcomes for patients with gastrointestinal (GI) cancers. However, evidence for an association with long-term survival is conflicting, with much of the data derived from patients with advanced disease. This study examined the effect of body composition on survival in primary operable GI cancer. METHODS: Patients with resectable adenocarcinoma of the GI tract (esophagus, stomach, colon, rectum) between 2006 and 2014 were identified from a prospective database...
March 21, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28323982/versican-proteolysis-by-adamts-proteases-and-its-influence-on-sex-steroid-receptor-expression-in-uterine-leiomyoma
#6
Ndeye-Aicha Gueye, Timothy J Mead, Christopher D Koch, Charles V Biscotti, Tommaso Falcone, Suneel S Apte
Context: Leiomyomas have abundant extracellular matrix (ECM), with upregulation of versican, a large proteoglycan. Objective: To investigate ADAMTS protease-mediated versican cleavage in myometrium and leiomyoma and the effect of versican knockdown in leiomyoma cells. Design: We used qRT-PCR, western blotting, immunohistochemistry and RNA in situ hybridization for analysis of myometrium, leiomyoma, and immortalized myometrium and leiomyoma cells...
February 6, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323979/thyroid-cancer-following-childhood-low-dose-radiation-exposure-a-pooled-analysis-of-nine-cohorts
#7
Jay H Lubin, M Jacob Adams, Roy Shore, Erik Holmberg, Arthur B Schneider, Michael M Hawkins, Leslie L Robison, Peter D Inskip, Marie Lundell, Robert Johansson, Ruth A Kleinerman, Florent de Vathaire, Lena Damber, Siegal Sadetzki, Margaret Tucker, Ritsu Sakata, Lene H S Veiga
Context: The increased use of diagnostic and therapeutic procedures that involve radiation raises concerns about radiation effects, particularly in children and to the radio-sensitive thyroid gland. Objectives: Evaluation of relative risk (RR) trends for thyroid radiation doses <0.2 gray; evidence of a threshold dose; and possible modifiers of the dose-response, e.g., sex, age at exposure, time since exposure. Design and setting: Pooled data from nine cohort studies of childhood external radiation exposure and thyroid cancer with individualized dose estimates, ≥1,000 irradiated subjects or ≥10 thyroid cancer cases, with data limited to individuals receiving doses <0...
March 8, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323967/all-cause-mortality-in-patients-with-diabetes-under-treatment-with-dapagliflozin-a-population-based-open-cohort-study-in-thin-database
#8
Konstantinos A Toulis, Brian H Willis, Tom Marshall, Balachadran Kumarendran, Krishna Gokhale, Sandip Ghosh, G Neil Thomas, Kar Keung Cheng, Parth Narendran, Wasim Hanif, Krishnarajah Nirantharakumar
Context: Empagliflozin was found to decrease mortality in patients with type 2 diabetes (T2DM) and a prior cardiovascular (CVD) event. Objectives: To establish whether these benefits can be replicated in a real-world setting, should be expected with the use of dapagliflozin, and apply to T2DM patients at low risk of CVD. Design: General Practice, population-based, retrospective cohort study (January 2013-September 2015). Setting: The Health Improvement Network Database (THIN)...
February 20, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323953/activation-of-male-liver-chromatin-accessibility-and-stat5-dependent-gene-transcription-by-plasma-growth-hormone-pulses
#9
Jeannette Connerney, Dana Lau-Corona, Andy Rampersaud, David J Waxman
Sex-differences in pituitary growth hormone (GH) secretion (pulsatile in males vs near continuous/persistent in females) impart sex-dependent expression to hundreds of genes in adult mouse liver. STAT5, a GH-activated transcription factor that is essential for liver sexual dimorphism, is dynamically activated in direct response to each male plasma GH pulse. However, the impact of GH-induced STAT5 pulses on liver chromatin accessibility and downstream transcriptional events is unknown. Here, we investigate the impact of a single pulse of GH given to hypophysectomized mice on local liver chromatin accessibility [DNase hypersensitive site analysis], transcription rates [hnRNA analysis], and gene expression [quantitative PCR and RNA-Seq] determined 30, 90 or 240 min later...
February 17, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323917/gh-treatment-in-children-with-prader-willi-syndrome-3-years-longitudinal-data-in-prepubertal-children-and-adult-height-data-from-kigs-database
#10
N E Bakker, A Lindberg, J Heissler, H A Wollmann, C Camacho-Hübner, A C Hokken-Koelega
Context: Longitudinal data of children with Prader-Willi syndrome (PWS) treated with Genotropin were registered in Pfizer-International-Growth-Database (KIGS). Objective: Evaluate efficacy and safety of GH-treatment in a unique large group of children with PWS. Design: Longitudinal data registered in KIGS, from 1987-2012. Setting: Worldwide retrospective cohort study. Patients: 522 prepubertal children treated with GH for 3 years and 173 children who had reached adult height...
February 16, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323851/the-effect-of-excluding-juveniles-on-apparent-adult-olive-baboons-papio-anubis-social-networks
#11
Piotr Fedurek, Julia Lehmann
In recent years there has been much interest in investigating the social structure of group living animals using social network analysis. Many studies so far have focused on the social networks of adults, often excluding younger, immature group members. This potentially may lead to a biased view of group social structure as multiple recent studies have shown that younger group members can significantly contribute to group structure. As proof of the concept, we address this issue by investigating social network structure with and without juveniles in wild olive baboons (Papio anubis) at Gashaka Gumti National Park, Nigeria...
2017: PloS One
https://www.readbyqxmd.com/read/28323826/apoe-related-risk-of-mild-cognitive-impairment-and-dementia-for-prevention-trials-an-analysis-of-four-cohorts
#12
Jing Qian, Frank J Wolters, Alexa Beiser, Mary Haan, M Arfan Ikram, Jason Karlawish, Jessica B Langbaum, John M Neuhaus, Eric M Reiman, J Scott Roberts, Sudha Seshadri, Pierre N Tariot, Beth McCarty Woods, Rebecca A Betensky, Deborah Blacker
BACKGROUND: With the onset of prevention trials for individuals at high risk for Alzheimer disease, there is increasing need for accurate risk prediction to inform study design and enrollment, but available risk estimates are limited. We developed risk estimates for the incidence of mild cognitive impairment (MCI) or dementia among cognitively unimpaired individuals by APOE-e4 dose for the genetic disclosure process of the Alzheimer's Prevention Initiative Generation Study, a prevention trial in cognitively unimpaired APOE-e4/e4 homozygote individuals...
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28323823/clustering-of-cardiovascular-risk-factors-and-carotid-intima-media-thickness-the-use-imt-study
#13
Xin Wang, Geertje W Dalmeijer, Hester M den Ruijter, Todd J Anderson, Annie R Britton, Jacqueline Dekker, Gunnar Engström, Greg W Evans, Jacqueline de Graaf, Diederick E Grobbee, Bo Hedblad, Suzanne Holewijn, Ai Ikeda, Jussi Kauhanen, Kazuo Kitagawa, Akihiko Kitamura, Sudhir Kurl, Eva M Lonn, Matthias W Lorenz, Ellisiv B Mathiesen, Giel Nijpels, Shuhei Okazaki, Joseph F Polak, Jacqueline F Price, Christopher M Rembold, Maria Rosvall, Tatjana Rundek, Jukka T Salonen, Matthias Sitzer, Coen D A Stehouwer, Tomi-Pekka Tuomainen, Sanne A E Peters, Michiel L Bots
BACKGROUND: The relation of a single risk factor with atherosclerosis is established. Clinically we know of risk factor clustering within individuals. Yet, studies into the magnitude of the relation of risk factor clusters with atherosclerosis are limited. Here, we assessed that relation. METHODS: Individual participant data from 14 cohorts, involving 59,025 individuals were used in this cross-sectional analysis. We made 15 clusters of four risk factors (current smoking, overweight, elevated blood pressure, elevated total cholesterol)...
2017: PloS One
https://www.readbyqxmd.com/read/28323692/hyperlordosis-is-associated-with-facet-joint-pathology-at-the-lower-lumbar-spine
#14
Thorsten Jentzsch, James Geiger, Matthias A König, Clément M L Werner
STUDY DESIGN: A retrospective study. OBJECTIVE: Our study opted to clarify the remaining issues of lumbar lordosis (LL) with regard to (1) its physiological values, (2) age, (3) sex, and (4) facet joint (FJ) arthritis and orientation using computed tomography (CT) scans. SUMMARY OF BACKGROUND DATA: Recent studies have questioned whether LL really decreases with age, but study sample sizes have been rather small and mostly been based on x-rays...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323575/lung-laryngeal-and-other-respiratory-cancer-incidence-among-japanese-atomic-bomb-survivors-an-updated-analysis-from-1958-through-2009
#15
Elizabeth K Cahoon, Dale L Preston, Donald A Pierce, Eric Grant, Alina V Brenner, Kiyohiko Mabuchi, Mai Utada, Kotaro Ozasa
The Life Span Study (LSS) of Japanese atomic bomb survivors is comprised of a large, population-based cohort offering one of the best opportunities to study the relationship between exposure to radiation and incidence of respiratory cancers. Risks of lung, laryngeal and other cancers of the respiratory system were evaluated among 105,444 LSS subjects followed from 1958 to 2009. During this period, we identified 2,446 lung, 180 laryngeal and 115 other respiratory (trachea, mediastinum and other ill-defined sites) first primary incident cancer cases...
March 21, 2017: Radiation Research
https://www.readbyqxmd.com/read/28323506/emotional-and-psychosocial-factors-associated-with-drunkenness-and-the-use-of-tobacco-and-cannabis-in-adolescence-independent-or-interactive-effects
#16
Irene García-Moya, María José Ortiz Barón, Carmen Moreno
BACKGROUND: Although previous research has examined emotional and psychosocial factors associated with substance use, there is a paucity of studies examining both at the same time, and insufficient attention has been paid to how these factors may interact. OBJECTIVES: The aim of this study was to simultaneously examine the contributions from emotional (emotional control and depression) and psychosocial (peers' conventional behavior, peers' substance use and parent-child relationships) factors to drunkenness and the use of tobacco and cannabis in adolescence...
March 21, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28320133/rest-tremor-in-parkinson-s-disease-body-distribution-and-time-of-appearance
#17
Angelo Fabio Gigante, Roberta Pellicciari, Giovanni Iliceto, Daniele Liuzzi, Paola Vincenza Mancino, Giacomo Emanuele Custodero, Marco Guido, Paolo Livrea, Giovanni Defazio
OBJECTIVE: To assess body distribution and timing of appearance of rest tremor in Parkinson's disease. METHODS: Information was obtained by a computerized database containing historical information collected at the first visit and data collected during the subsequent follow-up visits. Information on rest tremor developed during the follow-up could be therefore obtained by our own observation in a proportion of patients. RESULTS: Among 289 patients, rest tremor was reported at disease onset in 65...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319943/femoral-neck-x-ray-absorptiometry-parameters-and-peripheral-quantitative-computer-tomography-tibial-cortical-density-predict-survival-in-dialysis-patients
#18
Natalie Yap, Phillip Wong, Stella McGinn, Maria-Liza Nery, Jean Doyle, Lynda Wells, Phillip Clifton-Bligh, Roderick J Clifton-Bligh
BACKGROUND: Low bone mineral density (BMD) is a known independent predictor of mortality in the general elderly population. However, studies in patients with end-stage renal disease (ESRD) are limited. The present study evaluated mortality during long-term follow-up in a population of patients having dialysis for ESRD, in whom BMD was also measured. METHODS: Fifty-eight patients with ESRD were recruited consecutively from a dialysis clinic and followed prospectively for 6 years...
March 21, 2017: Nephron
https://www.readbyqxmd.com/read/28319591/psychopathological-assessment-of-risk-of-restraint-in-acute-psychiatric-patients
#19
Federico Dazzi, Lorenzo Tarsitani, Michele Di Nunzio, Valeria Trincia, Gabriella Scifoni, Giuseppe Ducci
The study aims to identify independent predictors of physical restraint in acute psychiatric patients and to determine the predictive power of a risk assessment model centered on psychopathological dimensions. We included 1552 patients admitted to a psychiatric intensive care unit over a 5-year period. Patients were rated on the Brief Psychiatric Rating Scale (BPRS-E) at admission. Principal axis factoring (PAF) with varimax rotation was performed on BPRS-E items to identify psychopathological factors. Multiple logistic regression analysis was performed...
March 18, 2017: Journal of Nervous and Mental Disease
https://www.readbyqxmd.com/read/28319588/physical-activity-and-global-self-worth-in-a-longitudinal-study-of-children
#20
Hudson Reddon, David Meyre, John Cairney
PURPOSE: Physical activity is associated with an array of physical and mental health benefits among children and adolescents. The development of self-worth/self-esteem has been proposed as a mechanism to explain the mental health benefits derived from physical activity. Despite several studies that have analyzed the association between physical activity and self-worth, the results have been inconsistent. It is also uncertain how related physical health measures, such as sedentary behaviour, body composition and fitness influence the relationship between physical activity and self-worth over time...
March 18, 2017: Medicine and Science in Sports and Exercise
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