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https://www.readbyqxmd.com/read/28549423/glyoxalase-1-expression-is-associated-with-an-unfavorable-prognosis-of-oropharyngeal-squamous-cell-carcinoma
#1
Nele Kreycy, Christiane Gotzian, Thomas Fleming, Christa Flechtenmacher, Niels Grabe, Peter Plinkert, Jochen Hess, Karim Zaoui
BACKGROUND: Glyoxalase 1 is a key enzyme in the detoxification of reactive metabolites such as methylglyoxal and induced Glyoxalase 1 expression has been demonstrated for several human malignancies. However, the regulation and clinical relevance of Glyoxalase 1 in the context of head and neck squamous cell carcinoma has not been addressed so far. METHODS: Argpyrimidine modification as a surrogate for methylglyoxal accumulation and Glyoxalase 1 expression in tumor cells was assessed by immunohistochemical staining of tissue microarrays with specimens from oropharyngeal squamous cell carcinoma patients (n = 154)...
May 26, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28549018/intimate-partner-violence-in-ophthalmology-a-global-call-to-action
#2
Ali R Cohen, Lynette M Renner, Erin M Shriver
PURPOSE OF REVIEW: Intimate partner violence (IPV) is a leading cause of death and disability worldwide. Despite increasing public awareness of IPV, little information is available regarding the prevalence, associated injury patterns, and impact of IPV as a mechanism of ocular and orbital trauma. The purpose of this review is to summarize the literature regarding the impact of IPV in ophthalmology and provide team members with guidance on appropriate practices for screening and referral...
April 25, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28548920/evaluation-of-biofidelity-of-thums-pedestrian-model-under-a-whole-body-impact-conditions-with-a-generic-sedan-buck
#3
Taotao Wu, Taewung Kim, Varun Bollapragada, David Poulard, Huipeng Chen, Matthew B Panzer, Jason L Forman, Jeff R Crandall, Bengt Pipkorn
OBJECTIVE: The goal of this study was to evaluate the biofidelity of the Total Human Model for Safety (THUMS; Ver. 4.01) pedestrian finite element models (PFEM) in a whole-body pedestrian impact condition using a well-characterized generic pedestrian buck model. METHODS: The biofidelity of THUMS PFEM was evaluated with respect to data from 3 full-scale postmortem human subject (PMHS) pedestrian impact tests, in which a pedestrian buck laterally struck the subjects using a pedestrian buck at 40 km/h...
May 29, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28546823/study-of-guanxinning-injection-on-regulatory-mechanism-of-bcl-2-and-bax-by-liquid-nitrogen-freezing-mediated-femoral-head-necrosis
#4
Xiaofeng Zhang, Xilin Xu, Gerhard Litscher, Zemin Sheng, Lu Wang, Daniela Litscher, Hang Lv, Xiaodong Li, Jie Zhang, Hui Su, Peiran Liu, Hai Hu
The objective of this study was to investigate the impact of femoral head perfusion by traditional Chinese medicine Guanxinning injection promoting blood circulation for removing blood stasis on the expression of Bcl-2 and Bax induced by liquid nitrogen freezing-mediated femoral head necrosis. 90 rabbits were randomized into three groups. Normal control group was not subjected to any medication. Saline and Guanxinning group were perfused with 0.9% saline and Guanxinning injection once every three days through the hip joint, respectively...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28546639/shear-wave-elastography-parameters-of-normal-soft-tissues-of-the-neck
#5
Herman Jan, Zuzana Sedlackova, Jaromir Vachutka, Tomas Furst, Richard Salzman, Jaroslav Vomacka
BACKGROUND: Shear wave elastography is a relatively new method of quantitative measurement of tissue elasticity. Assuming that malignant lesions are stiffer than benign ones, elastography may provide supplementary information for their discrimination. However, potential confounding factors impacting tissue stiffness should be investigated first. AIMS: The objective of this study was to measure the stiffness of selected tissues of the head and neck in a normal population and to evaluate its relationship to age, sex, and body mass index...
May 25, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28544811/differential-protein-expression-in-exosomal-samples-taken-from-trauma-patients
#6
Ron B Moyron, Amber Gonda, Matthew J Selleck, Xian Luo-Owen, Richard D Catalano, Thomas O'Callahan, Carlos Garberoglio, David Turay, Nathan R Wall
Traumatic Brain Injuries (TBI) are among the most misdiagnosed and underreported types of head trauma. The potential long-term impact of undiagnosed or incorrectly identified concussions and other head injuries are potentially devastating, as evidenced by the increasing societal burden exhibited by soldiers returning from combat and athletes in contact sports. Concussions and TBI are notoriously difficult to correctly diagnose and prognosis for these injuries is poorly understood. In order to increase the likelihood of successful diagnosis, treatment, and prediction of outcomes, a definitive differential diagnosis will need to be established...
May 25, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28544076/challenges-in-measuring-individual-differences-in-functional-connectivity-using-fmri-the-case-of-healthy-aging
#7
Linda Geerligs, Kamen A Tsvetanov, Cam-Can, Richard N Henson
Many studies report individual differences in functional connectivity, such as those related to age. However, estimates of connectivity from fMRI are confounded by other factors, such as vascular health, head motion and changes in the location of functional regions. Here, we investigate the impact of these confounds, and pre-processing strategies that can mitigate them, using data from the Cambridge Centre for Ageing & Neuroscience (www.cam-can.com). This dataset contained two sessions of resting-state fMRI from 214 adults aged 18-88...
May 23, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28541813/video-analysis-verification-of-head-impact-events-measured-by-wearable-sensors
#8
Nelson Cortes, Andrew E Lincoln, Gregory D Myer, Lisa Hepburn, Michael Higgins, Margot Putukian, Shane V Caswell
BACKGROUND: Wearable sensors are increasingly used to quantify the frequency and magnitude of head impact events in multiple sports. There is a paucity of evidence that verifies head impact events recorded by wearable sensors. PURPOSE: To utilize video analysis to verify head impact events recorded by wearable sensors and describe the respective frequency and magnitude. STUDY DESIGN: Cohort study (diagnosis); Level of evidence, 2. METHODS: Thirty male (mean age, 16...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28540998/impact-of-open-reduction-on-surgical-strategies-for-missed-monteggia-fracture-in-children
#9
Hoon Park, Kwang Won Park, Kun Bo Park, Hyun Woo Kim, Nam Kyu Eom, Dong Hoon Lee
PURPOSE: The aims of this study were to review our cases of missed Monteggia fracture treated by open reduction of the radial head with or without ulnar osteotomy and to investigate the indications for open reduction alone in surgical treatment of missed Monteggia fracture. MATERIALS AND METHODS: We retrospectively reviewed 22 patients who presented with missed Monteggia fracture. The patients' mean age at the time of surgery was 7.6 years. The mean interval from injury to surgery was 16...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28540815/computation-of-ultimate-sar-amplification-factors-for-radiofrequency-hyperthermia-in-non-uniform-body-models-impact-of-frequency-and-tumour-location
#10
Bastien Guérin, Jorge F Villena, Athanasios G Polimeridis, Elfar Adalsteinsson, Luca Daniel, Jacob K White, Bruce R Rosen, Lawrence L Wald
PURPOSE: We introduce a method for calculation of the ultimate specific absorption rate (SAR) amplification factors (uSAF) in non-uniform body models. The uSAF is the greatest possible SAF achievable by any hyperthermia (HT) phased array for a given frequency, body model and target heating volume. METHODS: First, we generate a basis-set of solutions to Maxwell's equations inside the body model. We place a large number of electric and magnetic dipoles around the body model and excite them with random amplitudes and phases...
May 11, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28540535/prognostic-value-of-maximum-standardized-uptake-value-measured-by-pretreatment-18f-fdg-pet-ct-in-locally-advanced-head-and-neck-squamous-cell-carcinoma
#11
J Cacicedo, I Fernandez, O Del Hoyo, A Navarro, A Gomez-Iturriaga, J Ignacio Pijoan, L Martinez-Indart, J Escudero, J Gomez-Suarez, R Ortiz de Zarate, J Fernando Perez, P Bilbao, D Rades
PURPOSE/OBJECTIVES: To evaluate the prognostic impact of maximum standardized uptake value (SUVmax) in patients with locally advanced head and neck squamous cell carcinoma (HNSCC) undergoing pretreatment [F-18] fluoro-D-glucose-positron emission tomography/computed tomography (FDG PET/CT) imaging. MATERIALS/METHODS: Fifty-eight patients undergoing FDG PET/CT before radical treatment with definitive radiotherapy (±concomitant chemotherapy) or surgery + postoperative (chemo)radiation were analyzed...
May 24, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28539208/birth-weight-length-and-head-circumference-progression-and-impact-over-the-outcome-of-patients-with-congenital-heart-disease
#12
Daniélle Bernardi Silveira, Ernani Bohrer da Rosa, Jamile Dutra Correia, Patrícia Trevisan, Marilu Fiegenbaum, Ceres Andréia Oliveira, Carolina Geitens Grapiglia, Mauricio Rouvel Nunes, Rosana Cardoso Manique Rosa, Tatiana Diehl Zen, Paulo Ricardo Gazzola Zen, Rafael Fabiano Machado Rosa
BACKGROUND: There are few studies assessing the birth measures of patients with congenital heart disease (CHD). Our aim to evaluate their progression and impact over the outcome. METHODS: The cases consisted of patients with CHD during their first hospitalization in a reference cardiac and pediatric intensive care unit (ICU) from Southern Brazil. Controls were composed of patients with no clinical evidence of CHD hospitalized soon after cases. The cases underwent high-resolution karyotype and fluorescence in situ hybridization (FISH) for 22q11 microdeletion...
May 18, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28537997/where-are-we-heading-with-fluid-responsiveness-research
#13
Simon T Vistisen, Peter Juhl-Olsen
PURPOSE OF REVIEW: Fluid responsiveness prediction is not always possible with well established dynamic approaches such as passive leg raising or pulse pressure variation in the ICU. The purpose of the present review is to summarize emerging alternative techniques for fluid responsiveness prediction in adult critically ill patients and discuss their methodology and applicability. In addition, the future role of fluid responsiveness prediction in the ICU is discussed. RECENT FINDINGS: Several new dynamic techniques have been investigated and they all contribute to the applicability of fluid responsiveness techniques...
May 22, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28535722/anisotropic-polyethersulfone-foam-for-bicycle-helmet-liners-to-reduce-rotational-acceleration-during-oblique-impact
#14
Kelly Vanden Bosche, Yasmine Mosleh, Bart Depreitere, Jos Vander Sloten, Ignaas Verpoest, Jan Ivens
Although current standard bicycle helmets protect cyclists against linear acceleration, they still lack sufficient protection against rotational acceleration during oblique impact events. Rotational acceleration is correlated with serious traumatic brain injuries such as acute subdural haematoma and thus should be minimized. This study proposes using highly anisotropic polyethersulfone foam for bicycle helmet liners in order to limit the rotational acceleration. Helmet prototypes, made of polyethersulfone foam with cell anisotropy direction perpendicular to the head, have been produced and compared to a standard commercial helmet...
May 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28535154/randomised-controlled-trial-of-early-prophylactic-feeding-vs-standard-care-in-patients-with-head-and-neck-cancer
#15
Teresa E Brown, Merrilyn D Banks, Brett G M Hughes, Charles Y Lin, Lizbeth M Kenny, Judith D Bauer
BACKGROUND: Weight loss remains significant in patients with head and neck cancer, despite prophylactic gastrostomy and intensive dietary counseling. The aim of this study was to improve outcomes utilising an early nutrition intervention. METHODS: Patients with head and neck cancer at a tertiary hospital in Australia referred for prophylactic gastrostomy prior to curative intent treatment were eligible for this single centre randomised controlled trial. Exclusions included severe malnutrition or dysphagia...
May 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28533739/improving-the-test-retest-reliability-of-resting-state-fmri-by-removing-the-impact-of-sleep
#16
Jiahui Wang, Junwei Han, Vinh T Nguyen, Lei Guo, Christine C Guo
Resting state functional magnetic resonance imaging (rs-fMRI) provides a powerful tool to examine large-scale neural networks in the human brain and their disturbances in neuropsychiatric disorders. Thanks to its low demand and high tolerance, resting state paradigms can be easily acquired from clinical population. However, due to the unconstrained nature, resting state paradigm is associated with excessive head movement and proneness to sleep. Consequently, the test-retest reliability of rs-fMRI measures is moderate at best, falling short of widespread use in the clinic...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28532501/pik3ca-hotspot-mutations-differentially-impact-responses-to-met-targeting-in-met-driven-and-non-driven-preclinical-cancer-models
#17
Lluís Nisa, Pascal Häfliger, Michaela Poliaková, Roland Giger, Paola Francica, Daniel Matthias Aebersold, Roch-Philippe Charles, Yitzhak Zimmer, Michaela Medová
BACKGROUND: The MET receptor tyrosine kinase represents a promising target in cancer. PIK3CA activating mutations are common in several tumor types and can potentially confer resistance to anti-receptor tyrosine kinase therapy. METHODS: MET and/or PI3K pathway inhibition was assessed in NIH3T3 cells harboring MET-activating point mutation with or without ectopic expression of PIK3CA(E545K) and PIK3CA(H1047R), as well as in MET-expressing head and neck cancer cells with endogenous PIK3CA mutations...
May 22, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28529753/assessment-of-xerostomia-and-its-impact-on-quality-of-life-in-head-and-neck-cancer-patients-undergoing-radiation-therapy
#18
Pinelopi-Theopisti Memtsa, Maria Tolia, Ioannis Tzitzikas, John Bizakis, Kyriaki Pistevou-Gombaki, Martha Charalambidou, Chrysoula Iliopoulou, George Kyrgias
Xerostomia in head and neck (H&N) cancer patients significantly affects their quality of life (QoL). The aim of the present study was to investigate the associations among QoL, xerostomia and quantity of saliva in a sample of H&N cancer patients who had received conventional radiotherapy (RT). A total of 60 H&N adult patients were enrolled in this prospective study. The patients completed the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (QLQ-C30), the Quality of Life Questionnaire Head and Neck Module (QLQ-H&N35) and the Greek version of the XQ questionnaire at 4 timepoints: At the beginning of RT, at the end of RT, 6 months after RT completion and 1 year after RT completion...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28529456/ethyl-acetate-fraction-of-huogu-formula-inhibits-adipogenic-differentiation-of-bone-marrow-stromal-cells-via-the-bmp-and-wnt-signaling-pathways
#19
Xiangying Kong, Xiaomin Li, Cun Zhang, Liuluan Zhu, Chunfang Liu, Qingxia Qin, Cuiling Liu, Qianqian Wang, Jia Zhu, Xuan Wu, Hongye Wan, Weiheng Chen, Na Lin
Elevated adipogenesis of bone marrow stromal cells (BMSCs) is closely associated with non-traumatic osteonecrosis of femoral head (ONFH). Our previous studies have shown that Huogu (HG) formula was effective both in clinic experience and experimental ONFH. How HG impacts the differentiation of BMSCs and what is the underlying molecular mechanism remain largely unknown. Our results showed that ethyl acetate extract of HG (HGE) significantly decreased the adipocyte differentiation as determined by oil red staining, while slightly increased the ALP activity...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28529109/late-dislocations-after-total-hip-arthroplasty-is-the-bearing-a-factor
#20
Siddharth M Shah, William L Walter, Stephen M Tai, Michelle F Lorimer, Richard N de Steiger
BACKGROUND: Dislocation is a leading cause of revision after primary total hip arthroplasty (THA). Although more common in the first few years after the procedure, dislocation can occur at any time. This study investigated the difference in late dislocation in ceramic-on-ceramic (CoC) bearings compared with metal-on-polyethylene and ceramic-on-polyethylene bearings in THA. METHODS: Data were used from the Australian Orthopaedic Association National Joint Replacement Registry, and the cumulative percent revision for dislocation was estimated using the Kaplan-Meier method for the different bearing surfaces...
April 27, 2017: Journal of Arthroplasty
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