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https://www.readbyqxmd.com/read/28527348/the-thermal-neutron-facility-hotnes-theoretical-design
#1
R Bedogni, A Pietropaolo, J M Gomez-Ros
HOTNES (HOmogeneous Thermal NEutron Source) is a thermal neutron irradiation facility with extended and very uniform irradiation area. A (241)Am-B radionuclide neutron source with nominal strenght 3.5×10(6) s(-1) is located on bottom of a large cylindrical cavity (30cm diameter, 70cm in height) delimited by polyethylene walls. The upper part of this volume (30cm diameter, 40cm in height) is used to irradiate samples. A polyethylene cylinder, acting as shadowing object, prevents fast neutrons to directly reach the irradiation volume...
May 4, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28527289/-characterization-of-patients-with-skeletal-genetic-diseases-in-a-colombian-referral-center
#2
Harvy Mauricio Velasco, Lina Patricia Buelvas
INTRODUCTION: Short height in Colombia has an estimated prevalence of 10%. The 2009 Nosology and Classification of Skeletal Genetic Diseases described 456 clinical conditions using biochemical, molecular and radiological criteria for diagnosis. OBJECTIVE: To analyze demographic, epidemiological and clinical variables in a group of patients with skeletal genetic diseases referred to the Instituto de Ortopedia Infantil Roosevelt. MATERIALS AND METHODS: Patients referred between 2008 and 2014 were analyzed filtering 167 diagnoses of the International Classification of Diseases, 10th revision (ICD 10), related to skeletal genetic diseases...
June 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28527188/optimum-pure-intrusion-of-a-mandibular-canine-with-the-segmented-arch-in-lingual-orthodontics
#3
Abhishek M Thote, Krishna Sharma, Rashmi V Uddanwadiker, Sunita Shrivastava
BACKGROUND: Approximately 50% patients with a deep bite possess anatomically extruded mandibular canines. OBJECTIVE: The objective of this study was to specify an optimum toe (Θ) of the vertical segment of a cantilever from the distal aspect to achieve pure intrusion of a mandibular canine with the segmented arch in lingual orthodontics (LiO). METHODS: The geometrical model of a mandibular canine was developed to compute the required values of Θ (positive values - toe-in, negative values - toe-out)...
2017: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/28527155/status-of-laparoscopic-sleeve-gastrectomy-in-china-a-national-survey
#4
Shibo Lin, Wei Guan, Pankaj Hans, Hui Liang
BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) is a favorable bariatric procedure. This study evaluated the status of LSG in China. METHODS: During the 4(th) International Forum of Bariatric and Metabolic Surgery in May 2016, Nanjing China, an on-the-spot questionnaire was filled out by 105 attending surgeons with experience of LSG. The feedback data was collected and analyzed. RESULTS: For preoperative preparations, surgeons preferred blood glucose control with insulin (61...
May 19, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28526905/effectiveness-of-acellular-dermal-matrix-on-autologous-split-thickness-skin-graft-in-treatment-of-deep-tissue-defect-esthetic-subjective-and-objective-evaluation
#5
Yoo Jung Lee, Myong Chul Park, Dong Ha Park, Hyung Min Hahn, Sue Min Kim, Il Jae Lee
BACKGROUND: A split-thickness skin graft (STSG) is performed to cover a large full-thickness skin defect. Esthetic and functional deficits can result, and many studies have sought to overcome them. This study compared the effectiveness of the acellular dermal matrix (ADM) graft and STSG concerning esthetic and functional effectiveness of ADM on scar quality. METHODS: Of the patients who underwent anterolateral thigh free flap from 2011 to 2015, patients who received skin graft only (n = 10) or skin graft with ADM (n = 20) for coverage of the donor site were enrolled...
May 19, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28526641/elimination-of-subsidence-with-26mm-wide-cages-in-extreme-lateral-interbody-fusion
#6
Gernot Lang, Rodrigo Navarro-Ramirez, Lena Gandevia, Ibrahim Hussain, Jonathan Nakhla, Micaella Zubkov, Roger Härtl
BACKGROUND: Extreme lateral interbody fusion (ELIF) has gained popularity as minimally invasive technique for indirect decompression. However, graft subsidence potentially threatens the long-term success of ELIF. The aim of the study was to evaluate whether 26mm wide cages can eliminate subsidence and subsequent loss of decompression in ELIF. METHODS: Patients undergoing ELIF surgery using a 26mm wide cage were analyzed retrospectively. Patient demographics and peri-operative data for radiographic and clinical outcomes were recorded...
May 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28526385/prevalence-of-skeletal-muscle-mass-loss-and-its-association-with-swallowing-function-after-cardiovascular-surgery
#7
Hidetaka Wakabayashi, Rimiko Takahashi, Naoko Watanabe, Hideyuki Oritsu, Yoshitaka Shimizu
OBJECTIVE: The aim of this study was to assess the prevalence of skeletal muscle mass loss and its association with swallowing function in patients with dysphagia after cardiovascular surgery. METHODS: A retrospective cohort study was performed in 65 consecutive patients with dysphagia after cardiovascular surgery who were prescribed speech therapy. Skeletal muscle index (SMI) was calculated as total psoas muscle area assessed via abdominal computed tomography divided by height squared...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28526219/cardiorespiratory-fitness-and-muscular-strength-as-mediators-of-the-influence-of-fatness-on-academic-achievement
#8
Antonio García-Hermoso, Irene Esteban-Cornejo, Jordi Olloquequi, Robinson Ramírez-Vélez
OBJECTIVE: To examine the combined association of fatness and physical fitness components (cardiorespiratory fitness [CRF] and muscular strength) with academic achievement, and to determine whether CRF and muscular strength are mediators of the association between fatness and academic achievement in a nationally representative sample of adolescents from Chile. STUDY DESIGN: Data were obtained for a sample of 36 870 adolescents (mean age, 13.8 years; 55.2% boys) from the Chilean System for the Assessment of Educational Quality test for eighth grade in 2011, 2013, and 2014...
May 16, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28526006/cardiometabolic-profile-of-obese-children-in-a-sub-saharan-african-setting-a-cross-sectional-study
#9
Eunice Chedjou-Nono, Suzanne Sap, Simeon-Pierre Choukem, Issa Ngosso Tetanye, Daniel Nebongo, Olivier Koki Ndombo
BACKGROUND: Cardiovascular and metabolic consequences of obesity in children, unlike adults, are still not well understood nor have they been subject to extensive research in Africa. We aimed to identify the cardio-metabolic complications associated with childhood obesity at the early phase of the management of obese children in a reference center in Cameroon. METHODS: In this cross-sectional study conducted from November 2013 to September 2014 and based on World Health Organization (WHO) classification of Obesity (BMI > 3SD under 5 years and BMI > 2SD from 5 and above), we included children aged 3 to 17 years who were being followed up for obesity at the pediatric endocrinology unit of the Mother and Child Center of the Chantal BIYA Foundation in Yaounde, Cameroon...
May 19, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28525651/selecting-elephant-grass-families-and-progenies-to-produce-bioenergy-through-mixed-models-reml-blup
#10
E V Rodrigues, R F Daher, A Dos Santos, M Vivas, J C Machado, G do A Gravina, Y P de Souza, A K Vidal, A Dos S Rocha, R S Freitas
Brazil has great potential to produce bioenergy since it is located in a tropical region that receives high incidence of solar energy and presents favorable climatic conditions for such purpose. However, the use of bioenergy in the country is below its productivity potential. The aim of the current study was to select full-sib progenies and families of elephant grass (Pennisetum purpureum S.) to optimize phenotypes relevant to bioenergy production through mixed models (REML/BLUP). The circulating diallel-based crossing of ten elephant grass genotypes was performed...
May 18, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28525634/association-between-weekend-catch-up-sleep-and-lower-body-mass-population-based-study-weekend-catch-up-sleep-and-body-mass-index
#11
Hee-Jin Im, Shin-Hye Baek, Min Kyung Chu, Kwang Ik Yang, Won-Joo Kim, Seong-Ho Park, Robert J Thomas, Chang-Ho Yun
Study Objectives: To determine if weekend catch-up sleep (CUS) impacts body mass index (BMI) in the general population. Methods: A stratified random sample (2,156 subjects; age 19-82 years old, 43.0±14.5; 1,183 male) from the general population was evaluated, in 2010, using face-to-face interviews about sociodemographic characteristics, height, weight, habitual sleep duration and time-in-bed at night on weekdays and weekend, sleep-related profiles, mood and anxiety scales, and comorbid-medical conditions...
May 19, 2017: Sleep
https://www.readbyqxmd.com/read/28525494/optimal-entry-point-and-trajectory-for-anterior-c1-lateral-mass-screw
#12
Yong Hu, Wei-Xin Dong, William Ryan Spiker, Zhen-Shan Yuan, Xiao-Yang Sun, Jiao Zhang, Hui Xie, Todd J Albert
STUDY DESIGN: A radiographic analysis of the anatomy of the C1 lateral mass using computed tomography (CT) scans and Mimics software. OBJECTIVE: To define the anatomy of the C1 lateral mass and make recommendations for optimal entry point and trajectory for anterior C1 lateral mass screws. SUMMARY OF BACKGROUND DATA: Although various posterior insertion angles and entry points for screw insertion have been proposed for posterior C1 lateral mass screws, no large series have been performed to assess the ideal entry point and optimal trajectory for anterior C1 lateral mass screw placement...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525492/degenerative-cervical-disc-disease-long-term-changes-in-sagittal-alignment-and-their-clinical-implications-after-cervical-interbody-fusion-cage-subsidence-a-prospective-study-with-standalone-lordotic-tantalum-cages
#13
Félix Tomé-Bermejo, Julián A Morales-Valencia, Javier Moreno-Pérez, Juan Marfil-Pérez, Elena Díaz-Dominguez, Angel R Piñera, Luis Alvarez
STUDY DESIGN: A retrospective, observational study of prospectively collected outcomes. OBJECTIVE: To investigate the long-term clinical course of anterior cervical discectomy and fusion with interbody fusion cages (ACDF-IFC) with lordotic tantalum implants and to correlate the radiologic findings with the clinical outcomes, with special emphasis on the significance and the influence of implant subsidence. SUMMARY OF BACKGROUND DATA: Cage subsidence is the most frequently reported complication after ACDF-IFC...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525483/development-of-a-remodeled-caspar-retractor-and-its-application-in-the-measurement-of-distractive-resistance-in-an-in-vitro-anterior-cervical-distraction-model
#14
Junxiang Wen, Jianwei Xu, Lijun Li, Mingjie Yang, Jie Pan, Deyu Chen, Lianshun Jia, Jun Tan
STUDY DESIGN: In vitro biomechanical study of the cervical intervertebral distraction using a remodeled Caspar retractor. OBJECTIVE: To investigate the torques required for distraction to different heights in an in vitro C3-C4 anterior cervical distraction model using a remodeled Caspar retractor, focusing on the influence of the intervertebral disk, posterior longitudinal ligament (PLL), and ligamentum flavum (LF). SUMMARY OF BACKGROUND DATA: No previous studies have reported on the torques required for distraction to various heights or the factors resisting distraction in anterior cervical discectomy and fusion...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525476/magnetic-resonance-classification-system-of-cervical-intervertebral-disk-degeneration-its-validity-and-meaning
#15
Akinobu Suzuki, Michael D Daubs, Tetsuo Hayashi, Monchai Ruangchainikom, Chenjie Xiong, Kevin Phan, Trevor P Scott, Jeffery C Wang
STUDY DESIGN: Retrospective analysis of kinetic magnetic resonance images (kMRIs). OBJECTIVE: (1) To analyze the changes seen on MRI related to disk degeneration and to develop a new grading system for cervical disk degeneration. (2) To evaluate the reliability and validity of the grading system. SUMMARY OF BACKGROUND DATA: Few have studied the relationship between changes seen on MRI with cervical disk degeneration and the chronological order of disk degeneration...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525470/factors-affecting-the-nonlinear-force-versus-distraction-height-curves-in-an-in-vitro-c5-c6-anterior-cervical-distraction-model
#16
Junxiang Wen, Jianwei Xu, Lijun Li, Mingjie Yang, Jie Pan, Deyu Chen, Lianshun Jia, Jun Tan
STUDY DESIGN: In vitro biomechanical study of cervical intervertebral distraction. OBJECTIVE: To investigate the forces required for distraction to different heights in an in vitro C5-C6 anterior cervical distraction model, focusing on the influence of the intervertebral disk, posterior longitudinal ligament (PLL), and ligamentum flavum (LF). SUMMARY OF BACKGROUND DATA: No previous studies have reported on the forces required for distraction to various heights or the factors resisting distraction in anterior cervical discectomy and fusion...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525442/prevalence-and-determinants-of-hypertension-and-high-normal-blood-pressure-among-young-adult-saudi-females-insights-into-preventive-strategies
#17
Maha A Al-Mohaissen, Qumasha Y Al-Obaid, Wafa A AlGhamdi, Haneen S Al-Alyani, Sheima M Dahman, Nora A Al-Wahhabi, Noura M Al-Awaji, Terry Lee
This study aimed to determine the prevalence of hypertension and high normal blood pressure and their risk factors among young adult Saudi females. A prospective cross-sectional study was conducted in a women's university. A questionnaire evaluated the subjects' demographic data and risk factors for hypertension and the blood pressure, height, and weight were recorded. In all, 4.1% of the participants were hypertensive and 6.2% had high normal blood pressure. Significant predictors of hypertension/high normal blood pressure were increased body mass index, increased heart rate, walking fewer days per week, and dietary factors...
July 2017: Family & Community Health
https://www.readbyqxmd.com/read/28525438/slowing-bmi-growth-trajectories-in-elementary-school-aged-children-the-northeast-iowa-food-and-fitness-initiative
#18
Loren L Toussaint, Kristin Housholder, Katelyn Janssen, Ann Mansfield, Brian A Lynch
This project examines the Northeast Iowa Food and Fitness Initiative, a policy-, community-, and school-based effort to slow children's body mass index (BMI) growth over 6 years. Kindergarteners (K) to fifth graders (5) from 10 different school districts participated (N = 4101). Students with 0 to 1 years of initiative exposure showed greater growth in BMI compared with children who had 2 to 6 years of exposure, resulting in K-5 BMI savings of 1.5 points (6 lb) for median-height boys and girls. Results suggest that changes to policies, communities, and schools may provide effective obesity reduction in children...
July 2017: Family & Community Health
https://www.readbyqxmd.com/read/28525406/blood-pressure-among-australian-aboriginal-children
#19
Nicholas Larkins, Armando Teixeira-Pinto, Emily Banks, Hasantha Gunasekera, Alan Cass, Jane Kearnes, Jonathan C Craig
OBJECTIVES: To determine the prevalence of elevated blood pressure (BP) and potential predictors of SBP and DBP in urban Australian aboriginal children. METHODS: The Study of Environment on Aboriginal Resilience and Child Health is a prospective cohort study of urban Aboriginal children attending four Aboriginal Community Controlled Health Services in New South Wales, Australia. Clinical measures included a manual BP measured by research officers using standardized protocols...
May 18, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28525404/growth-hormone-treatment-for-growth-hormone-deficiency-and-idiopathic-short-stature-new-guidelines-shaped-by-the-presence-and-absence-of-evidence
#20
Adda Grimberg, David B Allen
PURPOSE OF REVIEW: The Pediatric Endocrine Society recently published new guidelines for the use of human growth hormone (hGH) and human insulin-like growth factor-I (hIGF-I) treatment for growth hormone deficiency, idiopathic short stature, and primary IGF-I deficiency in children and adolescents. This review places the new guidelines in historical contexts of the life cycle of hGH and the evolution of US health care, and highlights their future implications. RECENT FINDINGS: The new hGH guidelines, the first to be created by the Grading of Recommendations Assessment, Development and Evaluation approach, are more conservative than their predecessors...
May 18, 2017: Current Opinion in Pediatrics
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