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https://www.readbyqxmd.com/read/28645184/early-menarche-and-menstrual-problems-are-associated-with-sleep-disturbance-in-a-large-sample-of-chinese-adolescent-girls
#1
Xianchen Liu, Hua Chen, Zhen-Zhen Liu, Fang Fan, Cun-Xian Jia
Study Objectives: Little is known about the association between menstruation and sleep disturbance in adolescent girls. This study examined sleep duration, insomnia symptoms, and sleep quality in relation to age at menarche and menstrual problems in a large sample of Chinese adolescent girls. Methods: This report represents the baseline data of an ongoing longitudinal study of the Shandong Adolescent Behavior & Health Cohort (SABHC) in Shandong, China. 5,800 12 to 18-year-old girls (mean age= 15...
June 22, 2017: Sleep
https://www.readbyqxmd.com/read/28645095/tooth-coronal-index-and-pulp-tooth-ratio-in-dental-age-estimation-on-digital-panoramic-radiographs-a-comparative-study
#2
Supreet Jain, Ravleen Nagi, Minal Daga, Ashutosh Shandilya, Aastha Shukla, Abhinav Parakh, Afshan Laheji, Rahul Singh
BACKGROUND: Assessment of an age of an individual whether living or dead through teeth is one of the most reliable and simple method to calculate age than skeletal remains especially when they are in poor conditions. OBJECTIVES: The study was carried out with aim of (i) to evaluate reliability of dental age assessment through two different methods for adults i.e. tooth coronal index and pulp/tooth ratio using digital panoramic radiographs and (ii) to compare these methods for their accuracy in age determination...
May 12, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28645093/identification-of-key-outcome-measures-when-using-the-instrumented-timed-up-and-go-and-or-posturography-for-fall-screening
#3
Renee Beach Sample, Allison L Kinney, Kurt Jackson, Wiebke Diestelkamp, Kimberly Edginton Bigelow
The Timed Up and Go (TUG) has been commonly used for fall risk assessment. The instrumented Timed Up and Go (iTUG) adds wearable sensors to capture sub-movements and may be more sensitive. Posturography assessments have also been used for determining fall risk. This study used stepwise logistic regression models to identify key outcome measures for the iTUG and posturography protocols. The effectiveness of the models containing these measures in differentiating fallers from non-fallers were then compared for each: iTUG total time duration only, iTUG, posturography, and combined iTUG and posturography assessments...
June 10, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28644901/vascular-geometry-as-a-risk-factor-for-non-penetrating-traumatic-injuries-of-the-aortic-arch
#4
Andreas Schicho, Lukas Luerken, Christian Stroszczynski, Ramona Meier, Andreas G Schreyer, Lena-Marie Dendl, Stephan Schleder
PURPOSE: To assess biomechanical factors in aortic arch geometry contributing to the development of non-penetrating aortic arch injury (NAAI) in multiply injured patients with an Injury Severity Score (ISS) ≥ 16. MATERIAL AND METHODS: 230 consecutive multiply injured trauma patients with an ISS ≥ 16 admitted to our Level-I trauma center during a consecutive 24-month period were prospectively included of whom 13 presented with NAAI (5.7%). Standardized whole-body CT in a 2x128-detector-row scanner included a head-and-neck CTA...
2017: PloS One
https://www.readbyqxmd.com/read/28644887/sarcopenia-is-a-predictive-factor-for-intestinal-resection-in-admitted-patients-with-crohn-s-disease
#5
Shigeki Bamba, Masaya Sasaki, Azusa Takaoka, Kenichiro Takahashi, Hirotsugu Imaeda, Atsushi Nishida, Osamu Inatomi, Mitsushige Sugimoto, Akira Andoh
The relationship between skeletal muscle volume and the prognosis of patients with inflammatory bowel disease (IBD) remains undetermined. We conducted a retrospective study of 72 IBD patients who were admitted to the hospital due to disease exacerbation. We enrolled IBD patients who had undergone abdominal computed tomography and assessed the nutritional indices, such as the Onodera's prognostic nutritional index (O-PNI) and the controlling nutritional status (CONUT) index. The L3 skeletal muscle index (SMI), which is the ratio of the cross-sectional area of skeletal muscles at the level of the third lumbar (L3) vertebra to the height squared, was used to identify sarcopenia...
2017: PloS One
https://www.readbyqxmd.com/read/28644860/time-dependent-genetic-analysis-links-field-and-controlled-environment-phenotypes-in-the-model-c4-grass-setaria
#6
Max J Feldman, Rachel E Paul, Darshi Banan, Jennifer F Barrett, Jose Sebastian, Muh-Ching Yee, Hui Jiang, Alexander E Lipka, Thomas P Brutnell, José R Dinneny, Andrew D B Leakey, Ivan Baxter
Vertical growth of plants is a dynamic process that is influenced by genetic and environmental factors and has a pronounced effect on overall plant architecture and biomass composition. We have performed six controlled growth trials of an interspecific Setaria italica x Setaria viridis recombinant inbred line population to assess how the genetic architecture of plant height is influenced by developmental queues, water availability and planting density. The non-destructive nature of plant height measurements has enabled us to monitor height throughout the plant life cycle in both field and controlled environments...
June 23, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28644638/ferroelectric-domain-patterning-controlled-schottky-junction-state-in-monolayer-mos_-2
#7
Zhiyong Xiao, Jingfeng Song, David K Ferry, Stephen Ducharme, Xia Hong
We exploit scanning-probe-controlled domain patterning in a ferroelectric top layer to induce nonvolatile modulation of the conduction characteristic of monolayer MoS_{2} between a transistor and a junction state. In the presence of a domain wall, MoS_{2} exhibits rectified I-V characteristics that are well described by the thermionic emission model. The induced Schottky barrier height Φ_{B}^{eff} varies from 0.38 to 0.57 eV and is tunable by a SiO_{2} global back gate, while the tuning range of Φ_{B}^{eff} depends sensitively on the conduction-band-tail trapping states...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28644566/clinical-characteristics-and-outcome-of-liver-transplantation-for-alagille-syndrome-in-children
#8
Tao Zhou, Jianjun Zhang, Yi Luo, Yuan Liu, Sy Zhuang, Feng Xue, Longzhi Han, Qiang Xia
AIM: The aim of this study was to analyze clinical characteristics and outcome of liver transplantation for Alagille syndrome in children. METHOD: By retrospectively reviewing the medical records of 9 Alagille syndrome patients(AGS) with liver transplantation(LT) in Renji Hospital between 2006 and 2015,After operative,the height and weight Z score were compared with preoperative. RESULT: There were 9 patients included in the study; cholestasis and peculiar faces were seen in all of the patients (100%), heart defect in 8 patients (88...
June 23, 2017: Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28644492/electronic-properties-of-blue-phosphorene-graphene-and-blue-phosphorene-graphene-like-gallium-nitride-heterostructures
#9
Minglei Sun, Jyh-Pin Chou, Jin Yu, Wencheng Tang
Blue phosphorene (BlueP) is a graphene-like phosphorus nanosheet which was synthesized very recently for the first time [Nano Lett., 2016, 16, 4903-4908]. The combination of electronic properties of two different two-dimensional materials in an ultrathin van der Waals (vdW) vertical heterostructure has been proved to be an effective approach to the design of novel electronic and optoelectronic devices. Therefore, we used density functional theory to investigate the structural and electronic properties of two BlueP-based heterostructures - BlueP/graphene (BlueP/G) and BlueP/graphene-like gallium nitride (BlueP/g-GaN)...
June 23, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28644367/oral-cholic-acid-is-efficacious-and-well-tolerated-in-patients-with-bile-acid-synthesis-and-zellweger-spectrum-disorders
#10
James E Heubi, Kevin E Bove, Kenneth D R Setchell
BACKGROUND/AIMS: Patients with bile acid synthesis disorders (BASD) due to single enzyme defects (SED) or Zellweger spectrum disorders (ZSD) accumulate hepatotoxic atypical bile acids resulting in potentially fatal progressive liver disease. We evaluated the efficacy and safety of oral cholic acid in patients with BASD. METHODS: In this phase 3, open-label, single-arm, nonrandomized, noncomparative study conducted over 18 years, patients were administered cholic acid orally 10 to 15 mg/kg/day...
June 21, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28644306/the-associations-of-height-for-age-weight-for-age-and-weight-for-height-with-pediatric-acute-lymphoblastic-leukemia
#11
Jeremy M Schraw, Ann T Henson, Michael E Scheurer, Michele R Forman
Height at diagnosis has been analyzed in connection with acute lymphoblastic leukemia (ALL). Most prior studies have compared cases to national reference data derived from previous birth cohorts. Our objective was to determine the association of height-for-age Z score (HAZ) at time of diagnosis with the odds ratio (OR) of ALL in a case-control study (N=498) with a contemporaneous population of age-matched, sex-matched, and ethnicity-matched controls. We hypothesized that cases would have greater mean HAZ at time of diagnosis/interview, after adjustment for weight-for-age (WAZ) and weight-for-height (WHZ)...
July 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28644194/phase-characteristics-of-the-countermovement-jump-force-time-curve-a-comparison-of-athletes-by-jumping-ability
#12
Christopher J Sole, Satoshi Mizuguchi, Kimitake Sato, Gavin L Moir, Michael H Stone
The purpose of this study was to compare the phase characteristics of the countermovement jump (CMJ) force time (F-t) curve between athletes based on jumping ability. An initial sample of one-hundred and fifty Division-I collegiate athletes were ranked based on CMJ jump height. Three performance groups were then formed by taking the top, middle, and lower thirty athletes (15 male and 15 female) from the sample. Phases of the CMJ F-t curve were determined and then characterized by their duration, magnitude, area (impulse), and shape (shape factor)...
June 19, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28643994/the-impact-of-valproic-acid-treatment-on-weight-gain-in-pediatric-patients-with-epilepsy
#13
Pietro Ferrara, Antonio Gatto, Valeria Blasi, Federica DI Ruscio, Domenica Battaglia
BACKGROUND: Valproic acid (VPA) is an antiepileptic drug, used for focal and generalized seizure. VPA treatment resulted in significant weight gain but there are no systematic data about the prevalence of this side effect. The aim of the study is to evaluate the weight gain of a paediatric population with epilepsy. METHODS: We enrolled 38 patients, 17 female and 21 male with a mean age of 8.2±4.4 years. We evaluated data about height, weight and BMI at beginning of treatment and at 24, 36 and 48 months of follow-up...
June 22, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28643922/speed-of-human-tooth-movement-in-growers-and-non-growers-selection-of-applied-stress-matters
#14
L R Iwasaki, Y Liu, H Liu, J C Nickel
OBJECTIVES: To test that the speed of tooth translation is not affected by stress magnitude and growth status. SETTING AND SAMPLE POPULATION: Advanced Education Orthodontic clinics at the Universities of Nebraska Medical Center and Missouri-Kansas City. Forty-six consenting subjects with orthodontic treatment plans involving maxillary first premolar extractions. MATERIALS AND METHODS: This randomized split-mouth study used segmental mechanics with definitive posterior anchorage and individual vertical-loop maxillary canine retraction appliances and measured three-dimensional tooth movements...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643919/mechanobehaviour-in-dolichofacial-and-brachyfacial-adolescents
#15
J C Nickel, A L Weber, P Covington Riddle, Y Liu, H Liu, L R Iwasaki
OBJECTIVES: To test whether mechanobehaviour (temporomandibular joint (TMJ) loads, jaw muscle use) was different between facial types and correlated with ramus height (Condylion-Gonion, mm). SETTING AND SAMPLE POPULATION: University of Missouri-Kansas City (UMKC) Orthodontic Clinic. Ten dolichofacial and ten brachyfacial adolescents (Sella-Nasion-Gonion-Gnathion (SN-GoGn) angles ≥37° and ≤27°, respectively) consented to participate. MATERIALS AND METHODS: Numerical models calculated TMJ loads for a range of static biting based on subjects' three-dimensional anatomy...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643908/jaw-mechanics-in-dolichofacial-and-brachyfacial-phenotypes-a-longitudinal-cephalometric-based-study
#16
L R Iwasaki, Y Liu, H Liu, J C Nickel
OBJECTIVES: To determine whether dolichofacial (Frankfort horizontal mandibular plane angle (FHMPA) ≥30°) vs brachyfacial (FHMPA ≤22°) phenotypes differ in temporomandibular joint (TMJ) loads and whether these differences correlate longitudinally with mandibular ramus height (Condylion-Gonion, Co-Go). SETTING AND SAMPLE POPULATION: Lateral and posteroanterior cephalographs from ten dolichofacial and ten brachyfacial individuals made at average ages of 6 (T1), 12 (T2) and 18 (T3) years and available online (http://www...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643661/impact-of-anaesthesia-mode-on-evaluation-of-leep-specimen-dimensions
#17
A Mercuzot, J Chevreau, H Sevestre, C Muszynski, M Arbyn, F Sergent, J Gondry
OBJECTIVES: To study the influence of anaesthesia (local by cervical block vs. general or spinal anaesthesia) on height and volume of resection specimens in case of conization treatment for cervical intraepithelial neoplasia (CIN). METHODS: Prospective observational study of all patients who underwent a first treatment by loop electrosurgical excision procedure (LEEP) for CIN. Height of fresh resection specimens was first measured by the operator and then by the pathologist after formaldehyde fixation...
April 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28643234/body-mass-disorders-in-healthy-short-children-and-in-children-with-growth-hormone-deficiency
#18
Paweł Tomaszewski, Katarzyna Milde, Anna Majcher, Beata Pyrżak, Gul Tiryaki-Sonmez, Brad J Schoenfeld
The aim of the study was to determine the degree of adiposity and the incidence of body mass disorders, including abdominal obesity, in healthy short children and children with growth hormone deficiency. The study included 134 short children (height < 10th percentile) aged 7-15. In this cohort there were 63 (31 boys and 32 girls) children without diagnosed hormonal disorders and 71 patients (35 boys and 36 girls) with growth hormone deficiency. Basic somatic features were assessed and the study participants were categorized according to the percentage of body fat (%FAT), body mass index (BMI), and waist-to-height ratio (WHtR)...
June 23, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28643191/role-of-obesity-variables-in-detecting-hypertension-in-an-iranian-population
#19
Patricia Khashayar, Hamidreza Aghaei Meybodi, Mohsen Rezaei Hemami, Bagher Larijani
INTRODUCTION: As the high incidence of hypertension has been in conjunction with dramatic increase in the prevalence of obesity, many studies have suggested obesity as its underlying cause in diverse race and ethnic groups. AIM: The present study was designed to quantify the relationship between obesity variables and hypertension in Iranian population. A ROC curve analysis was also used to determine an optimal BMI cutoff for obesity with the aim of representing elevated incidence of hypertension in this population...
June 22, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28643032/fall-from-heights-does-height-really-matter
#20
G Alizo, J D Sciarretta, S Gibson, K Muertos, A Romano, J Davis, A Pepe
INTRODUCTION: Fall from heights is high energy injuries and constitutes a fraction of all fall-related trauma evaluations while bearing an increase in morbidity and mortality. We hypothesize that despite advancements in trauma care, the overall survivability has not improved in this subset of trauma patients. METHODS: All adult trauma patients treated after sustaining a fall from heights during a 40-month period were retrospectively reviewed. Admission demographics, clinical data, fall height (ft), injury patterns, ISS, GCS, length of stay, and mortality were reviewed...
June 22, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
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