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https://www.readbyqxmd.com/read/28819572/a-cad-cam-zirconium-bar-as-a-bonded-mandibular-fixed-retainer-a-novel-approach-with-two-year-follow-up
#1
Maen Zreaqat, Rozita Hassan, Abdul Fatah Hanoun
Stainless steel alloys containing 8% to 12% nickel and 17% to 22% chromium are generally used in orthodontic appliances. A major concern has been the performance of alloys in the environment in which they are intended to function in the oral cavity. Biodegradation and metal release increase the risk of hypersensitivity and cytotoxicity. This case report describes for the first time a CAD/CAM zirconium bar as a bonded mandibular fixed retainer with 2-year follow-up in a patient who is subjected to long-term treatment with fixed orthodontic appliance and suspected to have metal hypersensitivity as shown by the considerable increase of nickel and chromium concentrations in a sample of patient's unstimulated saliva...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28818746/patients-with-atrial-fibrillation-and-coronary-artery-disease-double-trouble
#2
REVIEW
Ewelina Michniewicz, Elżbieta Mlodawska, Paulina Lopatowska, Anna Tomaszuk-Kazberuk, Jolanta Malyszko
Coronary artery disease (CAD) is the most common cardiovascular disease while atrial fibrillation (AF) is the most common cardiac arrhythmia. Both diseases share associated risk factors - hypertension, diabetes mellitus, sleep apnea, obesity and smoking. Moreover, inflammation plays a causative role in both diseases. The prevalence of CAD in patients with AF is from 17% to 46.5% while the prevalence of AF among patients with CAD is low and it is estimated from 0.2% to 5%. AF is a well-established factor of poor short- and long-term prognosis in patients with acute myocardial infarction (AMI) and is associated with a marked increase in overall mortality...
August 14, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28818339/impact-of-machining-on-the-flexural-fatigue-strength-of-glass-and-polycrystalline-cad-cam-ceramics
#3
Sara Fraga, Marina Amaral, Marco Antônio Bottino, Luiz Felipe Valandro, Cornelis Johannes Kleverlaan, Liliana Gressler May
OBJECTIVES: To assess the effect of machining on the flexural fatigue strength and on the surface roughness of different computer-aided design, computer-aided manufacturing (CAD/CAM) ceramics by comparing machined and polished after machining specimens. METHODS: Disc-shaped specimens of yttria-stabilized polycrystalline tetragonal zirconia (Y-TZP), leucite-, and lithium disilicate-based glass ceramics were prepared by CAD/CAM machining, and divided into two groups: machining (M) and machining followed by polishing (MP)...
August 14, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28818336/association-between-premature-ventricular-complexes-during-exercise-long-term-occurrence-of-life-threatening-arrhythmia-and-mortality
#4
Jorge Aviles-Rosales, Hermes Ilarraza-Lomeli, Marianna Garcia-Saldivia, Jessica Rojano-Castillo, Maria-Dolores Rius-Suarez, Juan-Pablo Nunez-Urquiza, Pedro Iturralde
OBJECTIVE: Exercise-induced premature ventricular complexes (EiPVCs) are often considered as benign arrhythmias, nevertheless they are associated with a high risk of all-cause death in general healthy population. However, an intermediate pathophysiological process remains unclear, particularly in patients with known cardiovascular disease. The aim of this study was to find an association between EiPVCs, the occurrence of life-threatening ventricular arrhythmias (LACO) and all-cause mortality in patients with cardiovascular disease...
August 14, 2017: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/28818317/reconsidering-the-gatekeeper-paradigm-for-percutaneous-coronary-intervention-in-stable-coronary-disease-management
#5
EDITORIAL
Joshua Schulman-Marcus, William S Weintraub, William E Boden
Major randomized clinical trials over the last decade support the role of optimal medical therapy for the initial management approach for patients with stable coronary artery disease (CAD), whereas percutaneous coronary intervention (PCI) ought to be reserved for patients with persistent symptoms despite optimal medical therapy. Likewise, several studies have continued to demonstrate the superiority of coronary artery bypass grafting surgery over PCI in many patients with extensive multivessel CAD, especially those with diabetes...
July 24, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28818266/microrna-93-elevation-after-myocardial-infarction-is-cardiac-protective
#6
Kai Li, Tao Lin, Lingdan Chen, Neng Wang
Coronary Artery Disease (CAD) is one of the most serious diseases that endangers human health worldwide, myocardial infarction (MI) is an acute form of CAD. Recent developments in MI therapies have resulted in significant reductions in mortality. However, subsequent chronic congestive heart failure and ventricle remodeling plagues an increasing number of MI patients. MicroRNAs (miR) have been reported to be involved in the process of cardiac remodeling, a recent study shows that miR-93 is elevated in the blood of CAD patients...
September 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28817814/cardiac-computed-tomography-angiographic-findings-as-predictors-of-late-heart-failure-in-an-asymptomatic-diabetic-cohort-an-8-year-prospective-follow-up-study
#7
David A Halon, Jubran Ayman, Ronen Rubinshtein, Barak Zafrir, Mali Azencot, Basil S Lewis
OBJECTIVES: Predictive models for heart failure (HF) in heterogeneous populations have had limited success. We examined cardiac computed tomography angiography (CTA) predictors of HF or cardiovascular death (HF-CVD) in a prospective study of asymptomatic diabetics undergoing baseline assessment by CTA. METHODS: The subjects (n = 735, aged 55-74 years, 51.2% women) had no clinical history of cardiovascular disease at study entry. Coronary artery calcium (CAC) score, CTA-defined coronary atherosclerosis, cardiac chamber volumes, and clinical data were collected and late outcome events recorded over 8...
August 18, 2017: Cardiology
https://www.readbyqxmd.com/read/28817741/reconstruction-of-a-severely-atrophied-alveolar-ridge-by-computer-aided-gingival-simulation-and-3d-printed-surgical-guide-a-case-report
#8
In-Seok Song, Mi-Ran Lee, Jae-Jun Ryu, Ui-Lyong Lee
Dental implants positioned in severely atrophied anterior maxillae require esthetic or functional compromises. This case report describes the rehabilitation of a severely atrophied alveolar ridge with a three-dimensional (3D) computer-aided design/computer-aided manufacture (CAD/CAM) surgical guide. A 50-year-old woman had a severely atrophied anterior maxilla with unfavorably positioned dental implants. Functional and esthetic prosthodontic restoration was difficult to achieve. An anterior segmental osteotomy was planned to reposition the dental implants...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28817459/relation-between-epicardial-fat-and-subclinical-atherosclerosis-in-asymptomatic-individuals
#9
Rami M Abazid, Osama A Smettei, Mohammad Obadah Kattea, Sawsan Sayed, Hanaa Saqqah, Adel M Widyan, Maksymilian P Opolski
PURPOSE: Excessive quantity of epicardial adipose tissue (EAT) is considered a risk factor for coronary artery disease (CAD). There are limited data, however, on the relationship between the quality of EAT and CAD. We investigated the association between the density and volume of EAT and subclinical CAD defined by positive coronary artery calcification (CAC), using computed tomography (CT). MATERIALS AND METHODS: We reviewed 609 consecutive CT scans of patients with a mild to moderate risk for CAD to assess the EAT volume, which was measured manually by tracing the parietal pericardial sac on axial images...
August 16, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28817129/interproximal-papilla-stability-around-cad-cam-and-stock-abutments-in-anterior-regions-a-2-year-prospective-multicenter-cohort-study
#10
Diego Lops, Andrea Parpaiola, Gianluca Paniz, Luca Sbricoli, Vanessa Ruiz Magaz, Alvise Cenzi Venezze, Eriberto Bressan, Edoardo Stellini
The aim of this study was to compare the interproximal papilla stability of restorations supported by computer-aided design/computer-assisted manufacture (CAD/CAM) abutments to those supported by prefabricated stock abutments in anterior areas over a 2-year follow-up. Abutments were selected depending on implant inclination and thickness of buccal peri-implant soft tissues from the following: zirconia stock, titanium stock, zirconia CAD/CAM and titanium CAD/CAM. Differences between the height of the papilla tip were measured (REC)...
September 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28816537/evaluating-the-prescription-of-angiotensin-converting-enzyme-inhibitors-or-receptor-blockers-in-patients-with-diabetes-in-jordan
#11
Fadia Mayyas, Wa'ed Bataineh, Anan Jarab
OBJECTIVE: The angiotensin converting enzyme inhibitors (ACEIs) and angiotensin II receptor blockers (ARBs) are guideline-recommended agents to prevent development and progression of nephropathy and cardiovascular diseases in diabetic Mellitus (DM). The aim of this study was to evaluate the prescription of ACEIs/ARBs in DM patients with guideline indications. METHOD: electronic data files for diabetes patients were retrospectively reviewed at a primary care setting northern Jordan...
August 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28816344/comparison-of-two-finite-element-modeling-solutions-for-biomechanical-simulation-using-a-case-study-of-a-mandibular-bone
#12
Yunfeng Liu, Ying-Ying Fan, Hui-Yue Dong, Jian-Xing Zhang
BACKGROUND: The method used in biomechanical modeling for finite element method (FEM) analysis needs to deliver accurate results. There are currently two solutions used in FEM modeling for biomedical model of human bone from CT images: one is based on a triangular mesh, and the other is based on the parametric surface model and is more popular in practice. MATERIALS AND METHODS: The outline and modeling procedures for the two solutions are compared and analyzed...
August 17, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28815291/prognostic-value-of-atherosclerotic-burden-and-coronary-vascular-function-in-patients-with-suspected-coronary-artery-disease
#13
Roberta Assante, Wanda Acampa, Emilia Zampella, Parthiban Arumugam, Carmela Nappi, Valeria Gaudieri, Ciro Gabriele Mainolfi, Mariarosaria Panico, Mario Magliulo, Christine M Tonge, Mario Petretta, Alberto Cuocolo
PURPOSE: To evaluate the prognostic value of coronary atherosclerotic burden, assessed by coronary artery calcium (CAC) score, and coronary vascular function, assessed by coronary flow reserve (CFR) in patients with suspected coronary artery disease (CAD). METHODS: We studied 436 patients undergoing hybrid (82)Rb positron emission tomography/computed tomography imaging. CAC score was measured according to the Agatston method, and patients were categorized into three groups (0, <400, and ≥400)...
August 16, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28815246/-effect-of-pkc-inhibition-on-cell-migration-and-invasion-of-oral-squamous-cell-carcinoma
#14
Zhong Chen, Yong Xu, Qing Ji
PURPOSE: By using HN4 cells, the correlation among protein kinase C(PKC), P120-catenin(P120ctn) and E-cadherin (E-cad) was investigated, and the role of them in migration and invasion of oral squamous-cell cancer(OSCC) was evaluated. METHODS: Plasmid pGFP-V-RS-P120ctn shRNA was used to transfect HN4 cells to significantly reduce the expression of P120ctn and PKC inhibitor staurosporine (STS) was added. mRNA and protein expression of PKC, P120ctn and E-cad were tested and Transwell cell invasion and cell migration assay was used to test the invasion and migration capacity before and after PKC inhibition...
April 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28814233/statins-in-acute-coronary-syndromes
#15
Manolis Vavuranakis, Maria Kariori, Gerasimos Siasos, Konstantinos Kalogeras, Dimitris Tousoulis
BACKGROUND: Patients with acute coronary syndrome (ACS) frequently experience recurrent adverse events from the cardiovascular system comparing to either healthy individuals or individuals with stable coronary artery disease. This is attributed to the inflammatory cascade that is activated during ACS resulting in increased risk for rupture of vulnerable plaques. OBJECTIVE: Therefore, it is of great importance to avoid recurrent events with treatment aiming at secondary prevention which includes the management of lipid profile besides alteration in the lifestyle and habits...
August 15, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28813561/comparison-of-coronary-ct-angiography-spect-pet-and-hybrid-imaging-for-diagnosis-of-ischemic-heart-disease-determined-by-fractional-flow-reserve
#16
Ibrahim Danad, Pieter G Raijmakers, Roel S Driessen, Jonathon Leipsic, Rekha Raju, Chris Naoum, Juhani Knuuti, Maija Mäki, Richard S Underwood, James K Min, Kimberly Elmore, Wynand J Stuijfzand, Niels van Royen, Igor I Tulevski, Aernout G Somsen, Marc C Huisman, Arthur A van Lingen, Martijn W Heymans, Peter M van de Ven, Cornelis van Kuijk, Adriaan A Lammertsma, Albert C van Rossum, Paul Knaapen
Importance: At present, the choice of noninvasive testing for a diagnosis of significant coronary artery disease (CAD) is ambiguous, but nuclear myocardial perfusion imaging with single-photon emission tomography (SPECT) or positron emission tomography (PET) and coronary computed tomography angiography (CCTA) is predominantly used for this purpose. However, to date, prospective head-to-head studies are lacking regarding the diagnostic accuracy of these imaging modalities. Furthermore, the combination of anatomical and functional assessments configuring a hybrid approach may yield improved accuracy...
August 16, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28812917/predictive-role-of-cha2ds2-vasc-score-for-cardiovascular-events-and-death-in-patients-with-arterial-hypertension-and-stable-sinus-rhythm
#17
Carmine Mazzone, Giovanni Cioffi, Cosimo Carriere, Giulia Barbati, Giorgio Faganello, Giulia Russo, Antonella Cherubini, Gianfranco Sinagra, Nadia Zeriali, Andrea Di Lenarda
Background The CHA2DS2-VASc score well stratifies the risk for thromboembolic events in non-valvular atrial fibrillation (NVAF) patients. This score may also predict thromboembolic events in sinus rhythm populations. Purpose The purpose of this study was to assess the prognostic role of CHA2DS2-VASc in a Caucasian community population of patients with arterial hypertension and sinus rhythm. Methods A total of 12,599 arterial hypertension residents not receiving anticoagulation were selected from a community population in Trieste between November 2009 and October 2014: 11,159 sinus rhythm and 1440 NVAF patients...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28812193/cost-analysis-of-robot-assisted-choledochotomy-and-common-bile-duct-exploration-as-an-option-for-complex-choledocholithiasis
#18
Ahmed Almamar, Nawar A Alkhamesi, Ward T Davies, Christopher M Schlachta
AIM: The aim of this study is to evaluate the clinical outcomes and cost-effectiveness of elective, robot-assisted choledochotomy and common bile duct exploration (RCD/CBDE) compared to open surgery for ERCP refractory choledocholithiasis. METHOD: A prospective database of all RCD/CBDE has been maintained since our first procedure in April 2007 though April 2016. With ethics approval, this database was compared with all contemporaneous elective open procedures (OCD/CBDE) performed since March 2005...
August 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28812116/slco1b1-521t%C3%A2-%C3%A2-c-polymorphism-associated-with-rosuvastatin-induced-myotoxicity-in-chinese-coronary-artery-disease-patients-a-nested-case-control-study
#19
Ju-E Liu, Xiao-Ying Liu, Sheng Chen, Yan Zhang, Li-Yun Cai, Min Yang, Wei-Hua Lai, Bin Ren, Shi-Long Zhong
PURPOSE: This nested case-control study aimed to evaluate the association of candidate genetic variants with statin-induced myotoxicity in Chinese patients with coronary artery disease (CAD). METHODS: One hundred forty-eight Chinese patients experiencing statin-induced myotoxicity were included in our study, and 255 patients without muscular side effects served as controls. Five SNPs in CYP3A5, SLCO1B1, and APOE were genotyped. The effect of genetic variants on statin-induced myotoxicity was assessed...
August 15, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28811999/quantitative-analysis-of-epicardial-fat-volume-effects-of-scanning-protocol-and-reproducibility-of-measurements-in-non-contrast-cardiac-ct-vs-coronary-ct-angiography
#20
Luigia D'Errico, Francesco Salituri, Marco Ciardetti, Riccardo Favilla, Alessandro Mazzarisi, Giuseppe Coppini, Carlo Bartolozzi, Paoli Marraccini
BACKGROUND: Several studies have focused on the role of epicardial fat in the pathogenesis of cardiovascular disease (CVD). The main purpose of the study was to evaluate a computerized method for the quantitative analysis of epicardial fat volume (EFV) by non-contrast cardiac CT (NCT) for coronary calcium scan and coronary CT angiography (coronary CTA). METHODS: Thirty patients (61±12.5 years, 73% male, body mass index (BMI) =25.9±6.3 kg/m(2)) referred to our Institution for suspected coronary artery disease (CAD) underwent NCT and coronary CTA...
June 2017: Quantitative Imaging in Medicine and Surgery
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