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Plaque Analysis

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https://www.readbyqxmd.com/read/29792135/modified-ldl-immune-complexes-and-cardiovascular-disease
#1
Maria F Lopes-Virella, Gabriel Virella
Modified forms of LDL, both spontaneously formed in the organism or prepared in the laboratory, are immunogenic. As a consequence, antigen-antibody complexes (immune complexes, IC) formed in vivo can be measured in the peripheral blood, and their levels are strong predictors of cardiovascular disease (CVD). It has been possible to generate antibodies that recognize different LDL modifications, allowing the analysis of circulating IC constitution. Clinical studies showed that the antigenic constitution of the IC has a modulating effect on the development of CVD...
May 23, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29791063/ten-year-follow-up-of-dental-implants-used-for-immediate-loading-in-the-edentulous-mandible-a-prospective-clinical-study
#2
Simon Windael, Stijn Vervaeke, Lieve Wijnen, Wolfgang Jacquet, Hugo De Bruyn, Bruno Collaert
PURPOSE: The purpose of this study is to evaluate the 10-year outcome of 25 patients with immediate loading in the edentulous mandible. MATERIAL AND METHODS: Twenty-five patients were consecutively treated with 5 immediately loaded fluoride-modified implants in the edentulous mandible. Implant survival and bone loss were evaluated by an external researcher comparing digital periapical radiographs taken during recall visits with baseline (at implant insertion). Statistical descriptive analysis and nonparametric tests were performed using SPSS v23, multilevel analysis was performed by means of R version 3...
May 23, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29790794/association-of-morning-blood-pressure-surge-with-carotid-intima-media-thickness-and-cardiac-dysfunction-in-patients-with-cardiac-syndrome-x
#3
Ragab A Mahfouz, Mohammad Goda, Islam Galal, Mohamed S Ghareb
Background & hypothesis: We hypothesized that exaggerated morning blood pressure surge, may contribute in cardiac dysfunction and arterial stiffness in patients with cardiac syndrome X. Thus we investigated the impact of morning blood pressure surge on cardiac function and carotid intima-media thickness in subjects with cardiac syndrome X. METHODS: We studied patients with cardiac syndrome X using ambulatory blood pressure monitoring and investigated the association of morning blood pressure surge with carotid intima thickness, left atrial volume index and left ventricular filling (E/e')...
May 23, 2018: Blood Pressure
https://www.readbyqxmd.com/read/29790131/efficacy-and-safety-outcomes-for-originator-tnf-inhibitors-and-biosimilars-in-rheumatoid-arthritis-and-psoriasis-trials-a-systematic-literature-review
#4
REVIEW
Robert J Moots, Cinzia Curiale, Danielle Petersel, Catherine Rolland, Heather Jones, Eduardo Mysler
OBJECTIVE: Regulatory approval of biosimilar versions of originator biotherapeutics requires that new biological products be highly similar to originator products, with no clinically meaningful differences in safety, purity, and potency. In some trials of biosimilars of tumor necrosis factor inhibitors for the treatment of rheumatoid arthritis (RA) and plaque psoriasis (PsO), pre-specified margins for efficacy and safety have been met, but differences in treatment responses between pivotal originator trials and biosimilar trials have been noted...
May 22, 2018: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/29789903/stabilization-of-symptomatic-carotid-atherosclerotic-plaques-by-statins-a-clinico-pathological-analysis
#5
Takao Konishi, Naohiro Funayama, Tadashi Yamamoto, Daisuke Hotta, Ryota Nomura, Yusuke Nakagaki, Takeo Murahashi, Kenji Kamiyama, Tetsuyuki Yoshimoto, Takeshi Aoki, Shinya Tanaka
Human and animal studies have revealed a stabilization of atherosclerotic plaques by statins. However, the stabilization of human carotid plaques has not been thoroughly described pathologically. This analysis explored the relationship between statin therapy and plaque stability in carotid endarterectomy (CEA) specimens. We analyzed specimens harvested between May 2015 and February 2017, from 79 consecutive patients presenting with > 70% carotid artery stenoses, of whom 66 were untreated (group 1) and 13 treated (group 2) with a statin...
May 22, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29789761/visual-outcome-after-posterior-uveal-melanoma-episcleral-brachytherapy-including-radiobiological-doses
#6
David Miguel, Jesús María de Frutos-Baraja, Francisco López-Lara, María Antonia Saornil, Ciro García-Alvarez, Pilar Alonso, Patricia Diezhandino
Purpose: To assess the long-term influence of radiobiological doses in the evolution of visual acuity (VA) in patients with uveal melanoma treated by episcleral brachytherapy. Material and methods: Visual acuity was evaluated prospectively from a case series of 243 patients in 2016 treated with 125 I. Data analysis was applied to trend VA outcome and find the accurate best-fit line. Biologically effective dose (BED) was included in survival analysis with the use of Kaplan-Meier and Cox regressions...
April 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29786589/bacterial-factors-of-cariogenicity-literature-review
#7
Mariia O Faustova, Maiia M Ananieva, Yaroslav O Basarab, Oksana V Dobrobolska, Iryna M Vovk, Galina A Loban'
OBJECTIVE: Introduction: According to the 2003 WHO report, dental caries affects from 60% to 90% of school-age children and adults that makes it one of the most common diseases worldwide. The aim was to systematize data about the modern conception of plaque formation and role of microorganisms in its development. PATIENTS AND METHODS: Materials and methods: Biblosemantic, 50 medical literature sources were systematically reviewed as the material for the research...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29785990/continuous-intraoperative-optical-coherence-tomography-guided-shield-ulcer-debridement-with-tuck-in-multilayered-amniotic-membrane-transplantation
#8
Namrata Sharma, Deepali Singhal, Prafulla Kumar Maharana, Rahul Jain, Pranita Sahay, Jeewan S Titiyal
Purpose: The aim of this study is to describe a modified surgical technique of continuous intraoperative optical coherence tomography (iOCT)-guided shield ulcer debridement with tuck-in multilayered Amniotic membrane transplantation (ML AMT) in vernal keratoconjunctivitis (VKC) with shield ulcer with plaque. Methods: Seven eyes of seven patients presenting with VKC with shield ulcer with plaque were enrolled in this prospective case series and planned for shield ulcer debridement with ML AMT...
June 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29784622/non-invasive-fractional-flow-reserve-in-vessels-without-severe-obstructive-stenosis-is-associated-with-coronary-plaque-burden
#9
Mhairi K Doris, Yuka Otaki, Yoav Arnson, Balaji Tamarappoo, Markus Goeller, Heidi Gransar, Frances Wang, Sean Hayes, John Friedman, Louise Thomson, Piotr Slomka, Damini Dey, Daniel Berman
AIMS: Non-invasive fractional flow reserve derived from coronary CT angiography (FFRCT ) has been shown to be predictive of lesion-specific ischemia as assessed by invasive fractional flow reserve (FFR). However, in practice, clinicians are often faced with an abnormal distal FFRCT in the absence of a discrete obstructive lesion. Using quantitative plaque analysis, we sought to determine the relationship between an abnormal whole vessel FFRCT (V-FFRCT ) and quantitative measures of whole vessel atherosclerosis in coronary arteries without obstructive stenosis...
May 7, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29784555/correlation-between-mdcta-and-carotid-plaque-histological-heterogeneity-a-pilot-study
#10
Gian Franco Veraldi, Pier Francesco Nocini, Albino Eccher, Alberto Fenzi, Andrea Sboarina, Luca Mezzetto
BACKGROUND: The aim of this pilot study was to identify multidetector computed tomography angiography (MDCTA) features that may help identify carotid atherosclerotic plaques (CAPs) with severe histological heterogeneity. METHODS: Thirty-one CAPs (9 symptomatic) were evaluated histologically using a semiquantitative scale. The CAPs were assessed for the presence of ulceration, lipids, fibrosis, thrombotic deposits, haemorrhage, neovascularisation, and inflammation...
May 18, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29778864/plaque-morphology-as-predictor-of-late-plaque-events-in-patients-with-asymptomatic-type-2-diabetes-a-long-term-observational-study
#11
David A Halon, Idit Lavi, Ofra Barnett-Griness, Ronen Rubinshtein, Barak Zafrir, Mali Azencot, Basil S Lewis
OBJECTIVES: We used coronary computed tomography angiography (CTA) to determine plaque characteristics predicting individual late plaque events precipitating acute coronary syndromes (ACS) in a cohort of asymptomatic type 2 diabetic patients. BACKGROUND: In patients with coronary artery disease, CTA plaque characteristics may predict mid-term patient events. METHODS: Asymptomatic patients with diabetes 55 to 74 years of age with no history of coronary artery disease (N = 630) underwent baseline 64-slice CTA and detailed plaque level analysis...
May 11, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29778853/natural-history-of-diabetic-coronary-atherosclerosis-by-quantitative-measurement-of-serial-coronary-computed-tomographic-angiography-results-of-the-paradigm-study-progression-of-atherosclerotic-plaque-determined-by-computed-tomographic-angiography-imaging
#12
Ung Kim, Jonathon A Leipsic, Stephanie L Sellers, Michael Shao, Philipp Blanke, Martin Hadamitzky, Yong-Jin Kim, Edoardo Conte, Daniele Andreini, Gianluca Pontone, Matthew J Budoff, Ilan Gottlieb, Byoung Kwon Lee, Eun Ju Chun, Filippo Cademartiri, Erica Maffei, Hugo Marques, Sanghoon Shin, Jung Hyun Choi, Renu Virmani, Habib Samady, Peter H Stone, Daniel S Berman, Jagat Narula, Leslee J Shaw, Jeroen J Bax, James K Min, Hyuk-Jae Chang
OBJECTIVES: This study aimed to determine the rate and extent of plaque progression (PP), changes in plaque features, and clinical predictors of PP in patients with diabetes mellitus (DM). BACKGROUND: The natural history of coronary PP in patients with DM is not well established. METHODS: A total of 1,602 patients (age 61.3 ± 9.0 years; 60.3% men; median scan interval 3.8 years) who underwent serial coronary computed tomography angiography over a period of at least 24 months were enrolled and analyzed from the PARADIGM (Progression of Atherosclerotic Plaque Determined by Computed Tomographic Angiography Imaging) trial...
May 11, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29777914/the-full-length-microrna-cluster-in-the-intron-of-large-latency-transcript-is-associated-with-the-virulence-of-pseudorabies-virus
#13
Xin Wang, Mei-Mei Zhang, Kai Yan, Qi Tang, Yi-Quan Wu, Wen-Bo He, Huan-Chun Chen, Zheng-Fei Liu
Pseudorabies virus (PRV), the etiological pathogen of Aujeszky's disease, belongs to the Alphaherpesvirus subfamily. Large latency transcript (LLT), the most abundant PRV transcript, harbors a ~ 4.6 kb microRNA (miRNA) cluster-encoding intron. To investigate the function of the LLT miRNA cluster during the life cycle of PRV, we generated a miRNA cluster mutation virus (PRV-∆miR cluster) and revertant virus. Analysis of the growth kinetics of PRV-ΔmiR cluster-infected cells revealed significantly smaller plaques and lower titers than the wild-type and revertant viruses...
May 16, 2018: Virology
https://www.readbyqxmd.com/read/29777258/development-of-a-two-stage-in-vitro-model-system-to-investigate-the-mineralization-mechanisms-involved-in-idiopathic-stone-formation-stage-1-biomimetic-randall-s-plaque-using-decellularized-porcine-kidneys
#14
Archana C Lovett, Saeed R Khan, Laurie B Gower
Idiopathic calcium oxalate (CaOx) stone formers form stones that are commonly attached to calcium phosphate (CaP) deposits in the renal tissue, known as Randall's plaques (RP). Plaques are suggested to originate in the renal tubular basement membrane, where they exhibit a morphology of concentrically laminated apatitic spherules, while in the interstitial regions, the collagen fibrils and vesicles become mineralized. We hypothesize that these minerals might form by non-classical crystallization mechanisms, such as via amorphous precursors, some of which might originate from a polymer-induced liquid-precursor (PILP) process...
May 18, 2018: Urolithiasis
https://www.readbyqxmd.com/read/29777114/microrna-expression-profile-of-human-advanced-coronary-atherosclerotic-plaques
#15
Mariana S Parahuleva, Christoph Lipps, Behnoush Parviz, Hans Hölschermann, Bernhard Schieffer, Rainer Schulz, Gerhild Euler
MicroRNA (miR) is reported to be involved in vascular inflammation and may represent a novel class of diagnostic biomarkers in cardiovascular disease. We aimed to identify the miR expression profile in human advanced coronary atherosclerotic plaques (CAP) and to connect this expression to the processes in atherosclerosis. Microarray techniques and TaqMan polymerase chain reaction were used to analyse the global expression of 352 miRs in CAP obtained during ACS MULTI-LINK study. 11 miRs were selected on the basis of their implication in atherosclerosis, endothelial activation, and inflammation...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29775430/gene-expression-profile-analysis-of-aortic-vascular-smooth-muscle-cells-reveals-upregulation-of-cadherin-genes-in-myocardial-infarction-patients
#16
Anselm A Derda, Chin Cheng Woo, Thidathip Wongsurawat, Mark Richards, Chuen Neng Lee, Theo Kofidis, Vladimir A Kuznetsov, Vitaly A Sorokin
Myocardial infarction (MI) induced by acute coronary arterial occlusion is usually secondary to atherosclerotic plaque rupture. Dysregulated response of vascular smooth muscle cells (VSMCs) in atherosclerotic plaques may promote plaque rupture. Cadherins (CDHs) form adherens junctions and are known stabilizers of atherosclerotic plaques. To date, the expression patterns of cadherin have not been well investigated in MI aortic VSMCs. We aimed to investigate the expression of cadherin genes in the aortic wall of patients with and without MI...
May 18, 2018: Physiological Genomics
https://www.readbyqxmd.com/read/29773695/automated-computer-guided-pasi-measurements-by-digital-image-analysis-versus-conventional-physicians-pasi-calculations-study-protocol-for-a-comparative-single-centre-observational-study
#17
Christine Fink, Lorenz Uhlmann, Christina Klose, Holger A Haenssle
INTRODUCTION: Reliable and accurate assessment of severity in psoriasis is very important in order to meet indication criteria for initiation of systemic treatment or to evaluate treatment efficacy. The most acknowledged tool for measuring the extent of psoriatic skin changes is the Psoriasis Area and Severity Index (PASI). However, the calculation of PASI can be tedious and subjective and high intraobserver and interobserver variability is an important concern. Therefore, there is a great need for a standardised and objective method that guarantees a reproducible PASI calculation...
May 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29772320/predictive-factors-of-silent-brain-infarcts-after-asymptomatic-carotid-endarteriectomy
#18
Rémy Pascot, Benjamin Parat, Yann Le Teurnier, Gilles Godet, Jean-Yves Gauvrit, Yann Gouëffic, Eric Steinmetz, Alain Cardon, Adrien Kaladji
BACKGROUND: The optimization of medical treatment regularly challenges the role of carotid surgery for asymptomatic patients. Current research seeks to determine which of these patients will benefit most from surgery. The goal of this study was to identify in a multi-center study, using MRI, the risk factors for postoperative silent cerebral ischemic lesions after carotid surgery for asymptomatic stenosis METHODS: The multicenter, retrospective study included patients with asymptomatic severe carotid stenosis suitable for surgical treatment and who did not have a history of cerebral ischemia...
May 14, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29771840/combined-access-for-the-treatment-of-medial-orbital-wall-fracture-subciliary-and-upper-eyelid-sulcus-incisions
#19
Mariana Alcantara Rodrigues de Moraes, João Pedro Rocha Biló, Max Domingues Pereira
The present study presents a new surgical approach to treat medial orbital wall fractures, that is, the combined transcutaneous access through subciliary and upper eyelid sulcus incisions. The study performed the retrospective analysis of medical records belonging to 14 consecutive patients with medial orbital wall fracture, who were treated in the Plastic Surgery Division at Federal University of São Paulo, from 2005 to 2013, through the combination of subciliary and upper eyelid sulcus incisions to access the fracture foci...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771571/effect-of-weak-combined-static-and-extremely-low-frequency-alternating-magnetic-fields-on-spatial-memory-and-brain-amyloid-%C3%AE-in-two-animal-models-of-alzheimer-s-disease
#20
Natalia V Bobkova, Vadim V Novikov, Natalia I Medvinskaya, Irina Y Aleksandrova, Inna V Nesterova, Eugenii E Fesenko
Subchronic effect of a weak combined magnetic field (MF), produced by superimposing a constant component, 42 µT and an alternating MF of 0.08 µT, which was the sum of two frequencies of 4.38 and 4.88 Hz, was studied in olfactory bulbectomized (OBE) and transgenic Tg (APPswe, PSEN1) mice, which were used as animal models of sporadic and heritable Alzheimer's disease (AD) accordingly. Spatial memory was tested in a Morris water maze on the following day after completion of training trials with the hidden platform removed...
May 17, 2018: Electromagnetic Biology and Medicine
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