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https://www.readbyqxmd.com/read/28316282/motion-compensated-cine-cmr-of-the-fetal-heart-using-radial-undersampling-and-compressed-sensing
#1
Christopher W Roy, Mike Seed, John C Kingdom, Christopher K Macgowan
BACKGROUND: To develop and evaluate a reconstruction framework for high resolution time-resolved CMR of the fetal heart in the presence of motion. METHODS: Data were acquired using a golden angle radial trajectory in seven fetal subjects and reconstructed as real-time images to detect fetal movement. Data acquired during through-plane motion were discarded whereas in-plane motion was corrected. A fetal cardiac gating signal was extracted to sort the corrected data by cardiac phase, allowing reconstruction of cine images...
March 20, 2017: Journal of Cardiovascular Magnetic Resonance
https://www.readbyqxmd.com/read/28303587/different-antibiotic-protocols-in-the-treatment-of-severe-chronic-periodontitis-a-1-year-randomized-trial
#2
Ivan Borges, Marcelo Faveri, Luciene Cristina Figueiredo, Poliana Mendes Duarte, Belén Retamal-Valdes, Sheyla Christinne Lira Montenegro, Magda Feres
AIM: To evaluate the clinical effects of different dosages of metronidazole (MTZ) and durations of MTZ+amoxicillin (AMX) in the treatment of generalized chronic periodontitis (GChP). MATERIAL AND METHODS: Subjects with GChP were randomly assigned to receive scaling and root planing (SRP)-only, or combined with 250mg or 400mg of MTZ+AMX (500mg) thrice a day (TID), for 7 or 14 days. Subjects were monitored for 1 year. RESULTS: 109 subjects were enrolled...
March 16, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28299515/the-influence-of-slope-on-spartium-junceum-root-system-morphological-anatomical-and-biomechanical-adaptation
#3
Fabio Lombardi, G S Scippa, B Lasserre, A Montagnoli, R Tognetti, M Marchetti, D Chiatante
Root systems have a pivotal role in plant anchorage and their mechanical interactions with the soil may contribute to soil reinforcement and stabilization of slide-prone slopes. In order to understand the responses of root system to mechanical stress induced by slope, samples of Spartium junceum L., growing in slope and in plane natural conditions, were compared in their morphology, biomechanical properties and anatomical features. Soils sampled in slope and plane revealed similar characteristics, with the exception of organic matter content and penetrometer resistance, both higher in slope...
March 15, 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/28298823/clinical-efficacy-of-subgingivally-delivered-simvastatin-gel-in-chronic-periodontitis-patients
#4
Swati Agarwal, Krishna Kumar Chaubey, Abhinav Chaubey, Vikas Agarwal, Ellora Madan, Manvi Chandra Agarwal
BACKGROUND: Simvastatin (SMV), a new locally delivered drug of class statins, is a specific competitive inhibitor of 3-hydroxy-2-methyl-glutaryl coenzyme A reductase. Statins, besides having lipid-lowering abilities, also have pleiotropic effects like host modulation and bone regeneration. The present study was designed to investigate the effectiveness of SMV, 1.2 mg, in an indigenously prepared biodegradable controlled-release gel as an adjunct to scaling and root planing (SRP). MATERIALS AND METHODS: A total of 60 sites, with pocket depth ≥5 mm, two from each of 30 patients after SRP, were categorized into two treatment groups, for subgingival placement of placebo (Gp 1) or SMV (Gp 2)...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28298817/comparative-evaluation-of-coenzyme-q10-based-gel-and-0-8-hyaluronic-acid-gel-in-treatment-of-chronic-periodontitis
#5
Varun Sharma, Rajan Gupta, Parveen Dahiya, Mukesh Kumar
BACKGROUND: The anti-inflammatory and immune enhancing effects of coenzyme Q10 (CoQ10) and hyaluronic acid are well established in medical literature. The present study was undertaken to evaluate their role in chronic periodontitis. MATERIALS AND METHODS: One hundred twenty sites in 24 patients with clinically confirmed periodontitis were included in the study. A split-mouth design was used for intrasulcular application of CoQ10 as adjunct to scaling and root planing (SRP), 0...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28291825/development-and-evaluation-of-a-soft-wearable-weight-support-device-for-reducing-muscle-fatigue-on-shoulder
#6
Daegeun Park, Kyu-Jin Cho
Compensating the weight of human limbs is important in reducing muscle fatigue experienced by manual laborers. In this study, a compact and lightweight soft wearable weight support device was developed and evaluated. The device supports gravitational force on the shoulder at any arm posture, although there are some limitations in its assistive performance. The device actuator consists of a cam-rod structure, a tendon-driven mechanism, and a rubber band. The desired assistive torque is translated to the shoulder joint along a tendon routing structure...
2017: PloS One
https://www.readbyqxmd.com/read/28291398/periodontal-therapy-in-dogs-using-bone-augmentation-products-marketed-for-veterinary-use
#7
Molly Angel
Periodontal disease is extremely common in companion animal practice. Patients presenting for a routine oral examination and prophylaxis may be found to have extensive periodontal disease and attachment loss. Vertical bone loss is a known sequela to periodontal disease and commonly involves the distal root of the mandibular first molar. This case report outlines two dogs presenting for oral examination and prophylaxis with general anesthesia. Both patients did not have any clinical symptoms of periodontal disease other than halitosis...
March 14, 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/28284417/chlorhexidine-mouthwash-as-an-adjunct-to-mechanical-therapy-in-chronic-periodontitis-a-meta-analysis
#8
REVIEW
Luiz Fernando Noira Passos da Costa, Cristine da Silva Furtado Amaral, Davi da Silva Barbirato, Anna Thereza Thomé Leão, Mariana Fampa Fogacci
BACKGROUND: Through a systematic literature review, the authors evaluated the use of chlorhexidine (CHX) mouthwash as an adjunct to mechanical periodontal therapy for chronic periodontitis. TYPES OF STUDIES REVIEWED: The authors performed a systematic search by using PubMed (MEDLINE), Scopus, Scientific Electronic Library Online, and Cochrane Central Register of Controlled Trials. The authors selected randomized controlled clinical trials in which the investigators evaluated the probing depth (PD) and clinical attachment level (CAL) in test groups by using CHX as an adjuvant and in control groups and subject to mechanical periodontal therapy (scaling and root planing [SRP] 4-6 visits or 24 hours)...
March 8, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28259465/contribution-of-muscle-short-range-stiffness-to-initial-changes-in-joint-kinetics-and-kinematics-during-perturbations-to-standing-balance-a-simulation-study
#9
Friedl De Groote, Jessica L Allen, Lena H Ting
Simulating realistic musculoskeletal dynamics is critical to understanding neural control of muscle activity evoked in sensorimotor feedback responses that have inherent neural transmission delays. Thus, the initial mechanical response of muscles to perturbations in the absence of any change in muscle activity determines which corrective neural responses are required to stabilize body posture. Muscle short-range stiffness, a history-dependent property of muscle that causes a rapid and transient rise in muscle force upon stretch, likely affects musculoskeletal dynamics in the initial mechanical response to perturbations...
February 21, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28257734/safe-zones-for-miniscrews-in-maxillary-dentition-distalization-assessed-with-cone-beam-computed-tomography
#10
Haibo Liu, Xiaoxue Wu, Lei Yang, Yin Ding
INTRODUCTION: The purpose of this study was to assess the anatomic structure of the buccal alveolar bone in the infrazygomatic crest region with cone-beam computed tomography to locate safe zones for miniscrews in maxillary dentition distalization. METHODS: The buccal alveolar bone was analyzed in 3 regions of 60 patients: between the maxillary second premolar and first molar (U5-U6), between the mesiodistal roots of the first molar (U6), and between the maxillary first and second molars (U6-U7)...
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28256246/bone-orientation-and-position-estimation-errors-using-cosserat-point-elements-and-least-squares-methods-application-to-gait
#11
Dana Solav, Valentina Camomilla, Andrea Cereatti, Arnaud Barré, Kamiar Aminian, Alon Wolf
The aim of this study was to analyze the accuracy of bone pose estimation based on sub-clusters of three skin-markers characterized by triangular Cosserat point elements (TCPEs) and to evaluate the capability of four instantaneous physical parameters, which can be measured non-invasively in vivo, to identify the most accurate TCPEs. Moreover, TCPE pose estimations were compared with the estimations of two least squares minimization methods applied to the cluster of all markers, using rigid body (RBLS) and homogeneous deformation (HDLS) assumptions...
February 1, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28250683/evaluation-of-oxidative-stress-in-chronic-periodontitis-patients-following-systemic-antioxidant-supplementation-a-clinical-and-biochemical-study
#12
Manasa Ambati, Koduganti Rekha Rani, Panthula Veerendranath Reddy, Jammula Suryaprasanna, Rajashree Dasari, Himabindu Gireddy
CONTEXT: Oxidative stress is associated with the pathogenesis of many systemic diseases including chronic periodontitis. Periodontal pathogen activated neutrophils liberate the reactive oxygen species (ROS), which causes the destruction of periodontal tissues. Antioxidants modulate the ROS production and inhibit the tissue destruction. AIM: We aimed to evaluate the oxidative stress marker malondialdehyde (MDA) in chronic periodontitis patients following scaling and root planing (SRP) after systemic lycopene supplementation...
January 2017: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/28225128/analysis-of-charging-induced-structural-damage-in-electrochemical-systems
#13
Fuqian Yang
Electrochemical charging of an electrochemical system results in Maxwell stress and a variation in the surface energy of the electrode. The charging-induced variation in the surface energy of the electrode and Maxwell stress introduce mechanical deformation and create stresses in the electrode. To relax the strain energy stored in the electrode, surface cracking and buckling can occur. Under the condition that the charging-induced change in the surface energy is the dominant factor controlling the in-plane deformation of a planar electrode, i...
February 22, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28209425/dominant-root-locus-in-state-estimator-design-for-material-flow-processes-a-case-study-of-hot-strip-rolling
#14
Jaromír Fišer, Pavel Zítek, Pavel Skopec, Jan Knobloch, Tomáš Vyhlídal
The purpose of the paper is to achieve a constrained estimation of process state variables using the anisochronic state observer tuned by the dominant root locus technique. The anisochronic state observer is based on the state-space time delay model of the process. Moreover the process model is identified not only as delayed but also as non-linear. This model is developed to describe a material flow process. The root locus technique combined with the magnitude optimum method is utilized to investigate the estimation process...
February 13, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28209006/a-comparative-evaluation-of-serum-magnesium-in-diabetes-mellitus-type-2-patients-with-and-without-periodontitis-a-clinico-biochemical-study
#15
Akshatha Shetty, Rahul Bhandary, Biju Thomas, Amitha Ramesh
INTRODUCTION: Magnesium is an essential cation playing a crucial role in many physiological functions and its imbalance is associated with greater number of pathological situations. Oxidative stress is usually increased due to decreased essential nutrients. Hence, any imbalance of essential nutrients like serum magnesium can significantly play a role in the pathobiology of periodontitis in the presence of diabetes, as diabetes and chronic periodontitis are two chronic diseases that have been biologically linked...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208693/a-miniature-magnetic-force-based-three-axis-ac-magnetic-sensor-with-piezoelectric-vibrational-energy-harvesting-functions
#16
Chiao-Fang Hung, Po-Chen Yeh, Tien-Kan Chung
In this paper, we demonstrate a miniature magnetic-force-based, three-axis, AC magnetic sensor with piezoelectric/vibrational energy-harvesting functions. For magnetic sensing, the sensor employs a magnetic-mechanical-piezoelectric configuration (which uses magnetic force and torque, a compact, single, mechanical mechanism, and the piezoelectric effect) to convert x-axis and y-axis in-plane and z-axis magnetic fields into piezoelectric voltage outputs. Under the x-axis magnetic field (sine-wave, 100 Hz, 0.2-3...
February 8, 2017: Sensors
https://www.readbyqxmd.com/read/28207941/mfg-e8-inhibits-periodontitis-in-non-human-primates-and-its-gingival-crevicular-fluid-levels-can-differentiate-periodontal-health-from-disease-in-humans
#17
Tetsuhiro Kajikawa, Fatimah Meshikhes, Tomoki Maekawa, Evlambia Hajishengallis, Kavita B Hosur, Toshiharu Abe, Kevin Moss, Triantafyllos Chavakis, George Hajishengallis
AIM: We have previously shown that the secreted glycoprotein MFG-E8 has anti-inflammatory and anti-osteoclastogenic properties. Our objective was to investigate the potential of MFG-E8 as a diagnostic or therapeutic agent in periodontitis. MATERIALS AND METHODS: Periodontitis was induced in non-human primates (NHPs) by placing ligatures around posterior teeth on both halves of the mandible for a split-mouth design: one side was treated with MFG-E8-Fc and the other with Fc control...
February 16, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28204959/phantom-study-investigating-the-accuracy-of-manual-and-automatic-image-fusion-with-the-ge-logiq-e9-implications-for-use-in-percutaneous-liver-interventions
#18
Mark Christiaan Burgmans, J Michiel den Harder, Philippa Meershoek, Nynke S van den Berg, Shaun Xavier Ju Min Chan, Fijs W B van Leeuwen, Arian R van Erkel
PURPOSE: To determine the accuracy of automatic and manual co-registration methods for image fusion of three-dimensional computed tomography (CT) with real-time ultrasonography (US) for image-guided liver interventions. MATERIALS AND METHODS: CT images of a skills phantom with liver lesions were acquired and co-registered to US using GE Logiq E9 navigation software. Manual co-registration was compared to automatic and semiautomatic co-registration using an active tracker...
February 15, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28204842/the-effect-of-nonsurgical-periodontal-therapy-on-hnp1-3-level-in-gingival-crevicular-fluid-of-chronic-periodontitis-patients
#19
Ewa Dolińska, Anna Skurska, Małgorzata Pietruska, Violetta Dymicka-Piekarska, Robert Milewski, Jan Pietruski, Anton Sculean
The rich bacterial flora of oral cavity is controlled by innate immune response, including antibacterial peptides and among them human neutrophil peptides 1-3 (HNP1-3). The knowledge of the involvement of HNPs in innate and acquired immunity of the periodontium is fragmentary. The aim of the study was to assess alterations in HNP1-3 levels in the gingival crevicular fluid (GCF) of chronic periodontitis patients before and after nonsurgical periodontal therapy. Nineteen patients with chronic periodontitis were qualified to the study...
February 15, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28203207/morphotype-dependent-flow-characteristics-in-bicuspid-aortic-valve-ascending-aortas-a-benchtop-particle-image-velocimetry-study
#20
Andrew McNally, Ashish Madan, Philippe Sucosky
The bicuspid aortic valve (BAV) is a major risk factor for secondary aortopathy such as aortic dilation. The heterogeneous BAV morphotypes [left-right-coronary cusp fusion (LR), right-non-coronary cusp fusion (RN), and left-non-coronary cusp fusion (LN)] are associated with different dilation patterns, suggesting a role for hemodynamics in BAV aortopathogenesis. However, assessment of this theory is still hampered by the limited knowledge of the hemodynamic abnormalities generated by the distinct BAV morphotypes...
2017: Frontiers in Physiology
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