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https://www.readbyqxmd.com/read/29223613/18f-naf-pet-ct-for-the-evaluation-of-temporomandibular-joint-disorder
#1
M S Suh, S H Park, Y-K Kim, P-Y Yun, W W Lee
AIM: To investigate the usefulness of a quantitative parameter (maximum standardised uptake value [SUVmax]) of 18F-sodium fluoride (NaF) positron-emission tomography (PET)/computed tomography (CT) for the evaluation of temporomandibular joint (TMJ) disorder (TMD). MATERIALS AND METHODS: Seventy-six TMD patients (male: female=14:62, age=40.3±17.1 years, bilateral: unilateral=40:36) with 152 TMJs were enrolled. The 18F-NaF PET/CT parameter (SUVmax) was compared with the presence of TMJ arthralgia (arthralgic=86, non-arthralgic=66) and clinical subtypes based on the Research Diagnostic Criteria for TMD Axis I (TMD osteoarthritis=49, non-TMD osteoarthritis=67, and asymptomatic TMJ=36)...
December 6, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/29216331/combined-short-and-long-axis-ultrasound-guided-central-venous-catheterization-is-superior-to-conventional-techniques-a-cross-over-randomized-controlled-manikin-trial
#2
Jun Takeshita, Kei Nishiyama, Satoru Beppu, Nozomu Sasahashi, Nobuaki Shime
OBJECTIVES: Visualizing the needle tip using the short-axis (SA) ultrasound-guided central venous catheterization approach can be challenging. It has been suggested to start the process with the SA approach and then switch to the long-axis (LA); however, to our knowledge, this combination has not been evaluated. We compared the combined short- and long-axis (SLA) approach with the SA approach in a manikin study. METHODS: We performed a prospective randomized controlled cross-over study in an urban emergency department and intensive care unit...
2017: PloS One
https://www.readbyqxmd.com/read/29215082/the-myokinetic-control-interface-tracking-implanted-magnets-as-a-means-for-prosthetic-control
#3
S Tarantino, F Clemente, D Barone, M Controzzi, C Cipriani
Upper limb amputation deprives individuals of their innate ability to manipulate objects. Such disability can be restored with a robotic prosthesis linked to the brain by a human-machine interface (HMI) capable of decoding voluntary intentions, and sending motor commands to the prosthesis. Clinical or research HMIs rely on the interpretation of electrophysiological signals recorded from the muscles. However, the quest for an HMI that allows for arbitrary and physiologically appropriate control of dexterous prostheses, is far from being completed...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29212941/a-novel-sulfolobus-virus-with-an-exceptional-capsid-architecture
#4
Haina Wang, Zhenqian Guo, Hongli Feng, Yufei Chen, Xiuqiang Chen, Zhimeng Li, Walter Hernández-Ascencio, Xin Dai, Zhenfeng Zhang, Xiaowei Zheng, Marielos Mora-López, Yu Fu, Chuanlun Zhang, Ping Zhu, Li Huang
A novel archaeal virus, denoted Sulfolobus ellipsoid virus 1 (SEV1), was isolated from an acidic hot spring in Costa Rica. The morphologically unique virion of SEV1 contains a protein capsid with 16 regularly spaced striations and an 11-nm-thick envelope. The capsid exhibits an unusual architecture in which the viral DNA, probably in the form of a nucleoprotein filament, wraps around the longitudinal axis of the virion in a plane to form a multilayered disk-like structure with a central hole, and 16 of these structures are stacked to generate a spool-like capsid...
December 6, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29209161/electroacupuncture-attenuates-visceral-hypersensitivity-by-inhibiting-jak2-stat3-signaling-pathway-in-the-descending-pain-modulation-system
#5
Juan Wan, Yi Ding, Adnan H Tahir, Manoj K Shah, Habibullah Janyaro, Xiaojing Li, Juming Zhong, Vitaly Vodyanoy, Mingxing Ding
Electroacupuncture (EA) has been used for treating visceral hypersensitivity (VH). However, the underlying molecular mechanism remains unclear. This study was aim to testify the effect of EA on ileitis-provoked VH, and to confirm whether EA attenuates VH through Janus kinase 2 (JAK2)/signal transducers and activators of transcription 3 (STAT3) signaling pathway in the periaqueductal gray (PAG)-the rostral ventromedial medulla (RVM)-the spinal cord dorsal horn (SCDH) axis. Methods: Goats were anesthetized and laparotomized for injecting 2,4,6-trinitro-benzene-sulfonic acid (TNBS)-ethanol solution (30mg TNBS dissolved in 40% ethanol) into the ileal wall to induce VH...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29201434/influence-of-longitudinal-position-on-the-evolution-of-steady-state-signal-in-cardiac-cine-balanced-steady-state-free-precession-imaging
#6
Tyler J Spear, Tori A Stromp, Steve W Leung, Moriel H Vandsburger
Background: Emerging quantitative cardiac magnetic resonance imaging (CMRI) techniques use cine balanced steady-state free precession (bSSFP) to measure myocardial signal intensity and probe underlying physiological parameters. This correlation assumes that steady-state is maintained uniformly throughout the heart in space and time. Purpose: To determine the effects of longitudinal cardiac motion and initial slice position on signal deviation in cine bSSFP imaging by comparing two-dimensional (2D) and three-dimensional (3D) acquisitions...
November 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/29200482/computer-simulation-of-two-level-pedicle-subtraction-osteotomy-for-severe-thoracolumbar-kyphosis-in-ankylosing-spondylitis
#7
Ning Zhang, Hao Li, Zheng-Kuan Xu, Wei-Shan Chen, Qi-Xin Chen, Fang-Cai Li
Background: Advanced ankylosing spondylitis is often associated with thoracolumbar kyphosis, resulting in an abnormal spinopelvic balance and pelvic morphology. Different osteotomy techniques have been used to correct AS deformities, unfortunnaly, not all AS patients can gain spinal sagittal balance and good horizontal vision after osteotomy. Materials and Methods: Fourteen consecutive AS patients with severe thoracolumbar kyphosis who were treated with two-level PSO were studied retrospectively...
November 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29199058/one-year-follow-up-study-detects-myocardial-changes-with-cardiovascular-magnetic-resonance-tagging-in-active-rheumatoid-arthritis
#8
Lauri Lehmonen, Aino-Maija Vuorinen, Riitta Koivuniemi, Marjatta Leirisalo-Repo, Miia Holmström, Sari Kivistö, Touko Kaasalainen
RATIONALE AND OBJECTIVES: To evaluate the effects of 1 year of medical treatment on myocardial function in active rheumatoid arthritis (RA). MATERIALS AND METHODS: Thirty-nine female patients with RA without any known cardiovascular disease underwent a cardiovascular magnetic resonance (CMR) examination before and after 1 year of antirheumatic treatment. The population comprised untreated active early RA (ERA) and chronic RA patients, who were grouped accordingly...
November 30, 2017: Academic Radiology
https://www.readbyqxmd.com/read/29197066/characterisation-of-the-properties-of-a-selective-orally-bioavailable-autotaxin-inhibitor-in-preclinical-models-of-advanced-stages-of-liver-fibrosis
#9
Manuel Baader, Tom Bretschneider, Andre Broermann, Joerg F Rippmann, Birgit Stierstorfer, Christian A Kuttruff, Michael Mark
BACKGROUND AND PURPOSE: Autotaxin (ATX) is a secreted phospholipase which hydrolyses lysophosphatidylcholine (LPC) to generate lysophosphatidic acid (LPA). The extracellular signalling molecule LPA exerts its biological actions through activation of six G protein-coupled receptors expressed in various cell types including fibroblasts. Multiple preclinical studies using knockout animals, LPA receptor antagonists or ATX inhibitors have provided evidence for a potential role of the ATX/LPA axis in tissue fibrosis...
December 2, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29196916/bullying-victimization-heightens-cortisol-response-to-psychosocial-stress-in-chinese-children
#10
Guanghui Chen, Yanhong Kong, Kirby Deater-Deckard, Wenxin Zhang
Childhood adverse experiences have been consistently documented to engender persistent changes in the hypothalamic-pituitary-adrenal (HPA) axis reactivity to chronic stress. However, there has been very little research examining whether this effect can be elicited among children when using a standardized laboratory stress test, or whether such effects are found in non-Western youth. In the current study, 80 10-year-old Chinese children (45% girls, 4-5th grades) were selected from 970 students based on the experience of being bullied, resulting in a sample of 59 victims (physical, verbal, and relational/social), and a group of 21 nonbullied children with distributions of age and gender that were comparable...
December 2, 2017: Journal of Abnormal Child Psychology
https://www.readbyqxmd.com/read/29194183/hyperactivity-of-the-sympatho-adrenomedullary-system-without-any-modification-of-the-hypothalamic-pituitary-adrenal-axis-following-food-restriction-among-high-level-weightlifters
#11
Alexandre Durguerian, Edith Filaire, Catherine Drogou, Fabien Sauvet, Clément Bougard, Mounir Chennaoui
We examined the effects of six days of food restriction on salivary α-amylase (sAA), cortisol and dehydroepiandrostenedione (DHEA) awakening responses, psychological parameters and performance among eleven international weightlifters. Assessments were made at baseline (T1) and 6 days after a normal period of training while maintaining body weight (T2). Then, participants were assigned into two groups depending on whether they lost (Diet group) or maintained (Control group) their body weight. Anthropometric, psychological, physical and physiological assessments were also realized 6 days (T3) following the restricted dietary period for the Diet group...
November 29, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29191101/despite-worse-baseline-status-depressed-patients-achieved-outcomes-similar-to-those-in-nondepressed-patients-after-surgery-for-cervical-deformity
#12
Gregory W Poorman, Peter G Passias, Samantha R Horn, Nicholas J Frangella, Alan H Daniels, D Kojo Hamilton, Hanjo Kim, Daniel Sciubba, Bassel G Diebo, Cole A Bortz, Frank A Segreto, Michael P Kelly, Justin S Smith, Brian J Neuman, Christopher I Shaffrey, Virginie LaFage, Renaud LaFage, Christopher P Ames, Robert Hart, Gregory M Mundis, Robert Eastlack
OBJECTIVE Depression and anxiety have been demonstrated to have negative impacts on outcomes after spine surgery. In patients with cervical deformity (CD), the psychological and physiological burdens of the disease may overlap without clear boundaries. While surgery has a proven record of bringing about significant pain relief and decreased disability, the impact of depression and anxiety on recovery from cervical deformity corrective surgery has not been previously reported on in the literature. The purpose of the present study was to determine the effect of depression and anxiety on patients' recovery from and improvement after CD surgery...
December 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/29186343/relative-contributions-of-neutral-and-non-neutral-processes-to-clinal-variation-in-calyx-lobe-length-in-the-series-sakawanum-asarum-aristolochiaceae
#13
Daiki Takahashi, Tsutomu Teramine, Shota Sakaguchi, Hiroaki Setoguchi
Background and Aims: Clines, the gradual variation in measurable traits along a geographical axis, play a major role in evolution and can contribute to our understanding of the relative roles of selective and neutral process in trait variation. Using genetic and morphological analyses, the relative contributions of neutral and non-neutral processes were explored to infer the evolutionary history of species of the series Sakawanum (genus Asarum), which shows significant clinal variation in calyx lobe length...
November 27, 2017: Annals of Botany
https://www.readbyqxmd.com/read/29178727/performance-of-cad-cam-fabricated-fiber-posts-in-oval-shaped-root-canals-an-in-vitro-study
#14
Nino Tsintsadze, Jelena Juloski, Michele Carrabba, Marella Tricarico, Cecilia Goracci, Alessandro Vichi, Marco Ferrari, Simone Grandini
PURPOSE: To assess the push-out strength, the cement layer thickness and the interfacial nanoleakage of prefabricated fiber posts, CAD/CAM fiber posts and metal cast posts cemented into oval-shaped root canals. METHODS: Oval-shaped post spaces were prepared in 30 single-rooted premolars. Roots were randomly assigned to three groups (n=10), according to the post type to be inserted: Group 1: Prefabricated fiber post (D.T. Light-Post X-RO Illusion); Group 2: Cast metal post; Group 3: CAD/CAM-fabricated fiber post (experimental fiber blocks)...
October 2017: American Journal of Dentistry
https://www.readbyqxmd.com/read/29175078/limbic-brain-structures-and-burnout-a-systematic-review
#15
REVIEW
YeeKong Chow, Jolanta Masiak, Emilia Mikołajewska, Dariusz Mikołajewski, Grzegorz Marcin Wójcik, Brian Wallace, Andy Eugene, Marcin Olajossy
More profound understanding of the relationship between the burnout and the limbic system function can provide better insight into brain structures associated with the burnout syndrome. The objective of this review is to explore all evidence of limbic brain structures associated with the burnout syndrome. In total, 13 studies were selected. Four of them applied the neuroimaging technology to investigate the sizes/volumes of the limbic brain structures of burnout patients. Six other studies were to investigate the hypothalamus-pituitary-adrenal (HPA) axis of burnout patients...
November 22, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/29171317/basal-blood-dhea-s-cortisol-levels-predicts-emdr-treatment-response-in-adolescents-with-ptsd
#16
Mirac Baris Usta, Yusuf Yasin Gumus, Gokce Nur Say, Abdullah Bozkurt, Berkan Şahin, Koray Karabekiroğlu
OBJECTIVE: In literature, recent evidence has shown that the hypothalamic-pituitary-adrenal (HPA) axis can be dysregulated in patients with post-traumatic stress disorder (PTSD) and HPA axis hormones may predict the psychotherapy treatment response in patients with PTSD. In this study, it was aimed to investigate changing cortisol and DHEA-S levels post-eye movement desensitization and reprocessing (EMDR) therapy and the relationship between treatment response and basal cortisol, and DHEA-S levels before treatment...
November 24, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/29167041/efficacy-of-an-internet-based-cognitive-behavioral-stress-management-training-in-women-with-idiopathic-preterm-labor-a-randomized-controlled-intervention-study
#17
Corinne Urech, Sandra Scherer, Martina Emmenegger, Jens Gaab, Sibil Tschudin, Irène Hoesli, Thomas Berger, Judith Alder
OBJECTIVE: This randomized controlled trial aimed at evaluating the efficacy of an internet-based cognitive behavioral stress management program (IB-CBSM) for pregnant women with preterm labor (PTL) on birth outcome and stress-related psychological and biological parameters. METHODS: 93 pregnant women with PTL (gestational age 18-32) were assigned to either the IB-CBSM (n=50) or a control group (CG) based on distraction (n=43). Participants in both groups worked through six weekly modules...
December 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/29166941/are-there-differences-in-treatment-effects-between-labial-and-lingual-fixed-orthodontic-appliances-a-systematic-review-and-meta-analysis
#18
Fadi Ata-Ali, Teresa Cobo, Felix De Carlos, Juan Cobo, Javier Ata-Ali
BACKGROUND: An evaluation is made of possible differences in treatment effects between labial and lingual fixed appliances. METHODS: A comprehensive search was made of the PubMed-Medline, Cochrane Library and LILACS databases, with an additional manual search covering the period up until April 2017. There were no restrictions in terms of year of publication or language. Agreement between the authors was quantified by the Cohen kappa statistic. A random-effect model was applied to calculate weighted mean differences with 95% confidence intervals...
November 22, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/29163587/global-dna-methylation-patterns-can-play-a-role-in-defining-terroir-in-grapevine-vitis-vinifera-cv-shiraz
#19
Huahan Xie, Moumouni Konate, Na Sai, Kiflu G Tesfamicael, Timothy Cavagnaro, Matthew Gilliham, James Breen, Andrew Metcalfe, John R Stephen, Roberta De Bei, Cassandra Collins, Carlos M R Lopez
Understanding how grapevines perceive and adapt to different environments will provide us with an insight into how to better manage crop quality. Mounting evidence suggests that epigenetic mechanisms are a key interface between the environment and the genotype that ultimately affect the plant's phenotype. Moreover, it is now widely accepted that epigenetic mechanisms are a source of useful variability during crop varietal selection that could affect crop performance. While the contribution of DNA methylation to plant performance has been extensively studied in other major crops, very little work has been done in grapevine...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29163367/a-testis-specific-long-non-coding-rna-lncrna-tcam1-regulates-immune-related-genes-in-mouse-male-germ-cells
#20
Misuzu Kurihara, Kai Otsuka, Shin Matsubara, Akira Shiraishi, Honoo Satake, Atsushi P Kimura
Spermatogenesis is precisely controlled by hormones from the hypothalamus-pituitary-gonadal axis and testis-specific genes, but the regulatory mechanism is not fully understood. Recently, a large number of long non-coding RNAs (lncRNAs) are found to be transcribed at each stage of meiosis of male germ cells, and their functions in spermatogenesis have yet to be fully investigated. lncRNA-testicular cell adhesion molecule 1 (lncRNA-Tcam1) is a nuclear lncRNA which is specifically expressed in mouse male germ cells and presumed to play a role in gene regulation during meiosis...
2017: Frontiers in Endocrinology
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