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https://www.readbyqxmd.com/read/29352008/incidence-predictors-and-clinical-outcomes-of-residual-stenosis-after-aortic-valve-in-valve
#1
Sabine Bleiziffer, Magdalena Erlebach, Matheus Simonato, Philippe Pibarot, John Webb, Lukas Capek, Stephan Windecker, Isaac George, Jan-Malte Sinning, Eric Horlick, Massimo Napodano, David M Holzhey, Petur Petursson, Alfredo Cerillo, Nikolaos Bonaros, Enrico Ferrari, Mauricio G Cohen, Giselle Baquero, Tara L Jones, Ankur Kalra, Michael J Reardon, Adnan Chhatriwalla, Vasco Gama Ribeiro, Sami Alnasser, Nicolas M Van Mieghem, Christian Jörg Rustenbach, Joachim Schofer, Santiago Garcia, Tobias Zeus, Didier Champagnac, Raffi Bekeredjian, Ran Kornowski, Rüdiger Lange, Danny Dvir
OBJECTIVE: We aimed to analyse the incidence of prosthesis-patient mismatch (PPM) and elevated gradients after aortic valve in valve (ViV), and to evaluate predictors and associations with clinical outcomes of this adverse event. METHODS: A total of 910 aortic ViV patients were investigated. Elevated residual gradients were defined as ≥20 mm Hg. PPM was identified based on the indexed effective orifice area (EOA), measured by echocardiography, and patient body mass index (BMI)...
January 19, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29314648/polycaprolactone-facial-volume-restoration-of-a-46-year-old-asian-women-a-case-report
#2
Shang-Li Lin
A 46-year-old Asian women was treated with a next-generation bioresorbable biostimulatory polycaprolactone (PCL)-based dermal filler to restore facial volume loss. Before- and after (12 weeks of follow-up)-treatment photographs were analyzed and compared. In addition, before- and after-treatment contour images were recorded using the Vectra® XT 3D imaging system (Canfield Scientific, Inc.). Improvement of facial volume in multiple tissue layers was observed at 4 and 12 weeks of follow-up. Total facial rejuvenation to correct descending soft tissue with a PCL-based dermal filler was achieved through volume restoration in multiple tissue layers of the face...
January 4, 2018: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29302937/stress-analysis-of-transcatheter-aortic-valve-leaflets-under-dynamic-loading-effect-of-reduced-tissue-thickness
#3
Mostafa Abbasi, Ali N Azadani
BACKGROUND: In order to accommodate transcatheter valves to miniaturized catheters, the leaflet thickness must be reduced to a value which is typically less than that of surgical bioprostheses. The study aim was to use finite-element simulations to determine the impact of the thickness reduction on stress and strain distribution. METHODS: A 23 mm transcatheter aortic valve (TAV) was modelled based on the Edwards SAPIEN XT (Edwards Lifesciences, Irvine, CA, USA)...
July 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29297556/influence-of-the-extended-use-of-desensitizing-toothpastes-on-dentin-bonding-microhardness-and-roughness
#4
Juliana Dias Aguiar, Igor Studart Medeiros, Mário Honorato Silva E Souza Junior, Sandro Cordeiro Loretto
The aim of this study was to evaluate the influence of an extended use of desensitizing toothpastes (DTs) on dentin bonding, microhardness and roughness. One hundred and twenty bovine incisor teeth were randomly divided into four groups: G1, distilled water (WATER); G2, Colgate Total 12 (CT12); G3, Colgate Sensitive Pro-Relief (CSPR); and G4, Sensodyne Repair ?αμπ; Protect (SRP). Dentin surfaces were etched with 17% EDTA and 2 years of simulated tooth brushing (20,000 cycles) was performed on their surfaces...
May 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29279676/comparative-evaluation-of-calcium-phosphate-based-varnish-and-resin-modified-glass-ionomer-based-varnish-in-reducing-dentinal-hypersensitivity-a-randomized-controlled-clinical-trial
#5
Harshul Sharma, Charu Gupta, Sophia Thakur, Sanjeev Srivastava
Objective: The aim of this study was to evaluate the efficacy of MI varnish and Clinpro XT varnish in reducing dentinal hypersensitivity. Materials and Methods: Patients with cervical dentinal hypersensitivity were selected for the study. The teeth to be tested were isolated. Then, a blast of air and ice cold water was applied on the tooth surface, and the score was measured by visual analog scale. The patients were randomly assigned to one of the treatment groups (Group 1: MI varnish; Group 2; Clinpro XT varnish)...
October 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/29279587/cyclooxygenase-2-cox2-expression-in-adenocarcinoma-surpasses-that-of-squamous-cell-carcinoma-in-the-uterine-cervix
#6
A K Marutha Muthu, P L Cheah, C C Koh, M F Chew, Y F Toh, L M Looi
Over the years, adenocarcinoma (ADC), which has a worse prognosis than squamous cell carcinoma (SCC) of the cervix, has shown an increasing trend. Cyclooxygenase-2 (COX2) expression which has been associated with worse prognosis in several solid cancers was studied for its association with SCC and ADC of the cervix. 35 histologically re-confirmed SCC and 35 ADC were immunohistochemically stained for COX2 using a mouse monoclonal antibody to COX2 (1:100; Dako: Clone CX-294) on a Ventana Benchmark XT. The histoscore was computed as intensity of staining, semi-quantitated on a scale of 0-3 with 0 = negative, 1 = weak, 2 = moderate and 3 = strong staining intensity; multiplied by percentage of immunopositivity on a scale of 0-4 with 0 = <1%, 1 = 1-25%, 2 = 26-50%, 3 = 51-75% and 4 = ≥75% of immunopositive tumour cells...
December 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/29261747/sex-specific-reference-intervals-of-hematologic-and-biochemical-analytes-in-sprague-dawley-rats-using-the-nonparametric-rank-percentile-method
#7
Qili He, Guoming Su, Keliang Liu, Fangcheng Zhang, Yong Jiang, Jun Gao, Lida Liu, Zhongren Jiang, Minwu Jin, Huiping Xie
BACKGROUND: Hematologic and biochemical analytes of Sprague-Dawley rats are commonly used to determine effects that were induced by treatment and to evaluate organ dysfunction in toxicological safety assessments, but reference intervals have not been well established for these analytes. Reference intervals as presently defined for these analytes in Sprague-Dawley rats have not used internationally recommended statistical method nor stratified by sex. Thus, we aimed to establish sex-specific reference intervals for hematologic and biochemical parameters in Sprague-Dawley rats according to Clinical and Laboratory Standards Institute C28-A3 and American Society for Veterinary Clinical Pathology guideline...
2017: PloS One
https://www.readbyqxmd.com/read/29250279/baseline-demographics-safety-and-patient-acceptance-of-an-insertable-cardiac-monitor-for-atrial-fibrillation-screening-the-reveal-af-study
#8
Sergio Conti, James A Reiffel, Bernard J Gersh, Peter R Kowey, Rolf Wachter, Jonathan L Halperin, Rachelle E Kaplon, Erika Pouliot, Atul Verma
Given the high prevalence and risk of stroke associated with atrial fibrillation (AF), detection strategies have important public health implications. The ongoing prospective, single-arm, open-label, multicenter REVEAL AF trial is evaluating the incidence of previously undetected AF using an insertable cardiac monitor (ICM) in patients without prior AF or device implantation, but who could be at risk for AF due to their demographic characteristics, +/- non-specific but compatible symptoms. Enrollment required an elevated AF risk profile defined as CHADS2≥3 or CHADS2=2 plus one or more of the following: coronary artery disease, renal impairment, sleep apnea or chronic obstructive pulmonary disease...
February 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29248944/surface-wear-of-resin-composites-used-for-invisalign%C3%A2-attachments
#9
Graciela J Barreda, Elizabeth A Dzierewianko, Karina A Muñoz, Gisela I Piccoli
Orthodontic treatments with Invisalign® require the use of attachments, which are composite resin buttons attached to tooth surfaces. Attachments constitute one of the most powerful tools for improving the efficiency of orthodontic tooth movement. The main purpose of this study was to evaluate surface wear over six months in two resin composites (Filtek Z350 XT, 3MESPE and Amelogen Plus TW, Ultradent Products Inc. ) used for making Invisalign® attachments. These composites were selected for their esthetic and mechanical properties...
August 2017: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/29240772/monitoring-of-arrhythmia-and-sudden-death-in-a-hemodialysis-population-the-crash-ilr-study
#10
Paul R Roberts, Donah Zachariah, John M Morgan, Arthur M Yue, Elizabeth F Greenwood, Patrick C Phillips, Philip A Kalra, Darren Green, Robert J Lewis, Paul R Kalra
INTRODUCTION: It has been suggested that sudden cardiac death (SCD) contributes around 50% of cardiovascular and 27% of all-cause mortality in hemodialysis patients. The true burden of arrhythmias and arrhythmic deaths in this population, however, remains poorly characterised. Cardio Renal Arrhythmia Study in Hemodialysis (CRASH-ILR) is a prospective, implantable loop recorder single centre study of 30 established hemodialysis patients and one of the first to provide long-term ambulatory ECG monitoring...
2017: PloS One
https://www.readbyqxmd.com/read/29237501/emergency-transapical-mitral-valve-in-valve-implantation-for-bioprosthesis-failure-transapical-implantation-of-an-edwards-sapien-xt-in-a-dysfunctional-mitral-bioprosthesis-in-a-critical-patient
#11
Marco Zanobini, Sabrina Manganiello, Giorgia Bonalumi, Raoul Biondi, Marco Russo, Massimo Mapelli, Francesco Alamanni, Matteo Saccocci
No abstract text is available yet for this article.
December 13, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29236177/effect-of-er-yag-laser-enamel-conditioning-and-moisture-on-the-microleakage-of-a-hydrophilic-sealant
#12
Zeynep Aslı Güçlü, Andrew Paul Hurt, Nazmiye Dönmez, Nichola Jayne Coleman
For a given sealant, successful pit and fissure sealing is principally governed by the enamel conditioning technique and the presence of moisture contamination. A new generation of hydrophilic resin sealants is reported to tolerate moisture. This study investigates the impact of Er:YAG laser pre-conditioning and moisture contamination on the microleakage of a recent hydrophilic sealant. Occlusal surfaces of extracted human molars were either acid etched (n = 30), or successively lased and acid etched (n = 30)...
December 13, 2017: Odontology
https://www.readbyqxmd.com/read/29236149/transcatheter-aortic-valve-replacement-with-balloon-expandable-valve-analysis-of-initial-experience-in-china
#13
Y Shen, H Zhang, L Zhang, H Li, H Mao, Y Pei, Z Jing, Q Lu
BACKGROUND: Transcatheter aortic valve replacement (TAVR) is widely applied for the treatment of severe aortic stenosis (AS) in developed countries; however, in China, it is still in the early stage of utilization. On the basis of previous studies, this work explored the feasibility of TAVR in patients with severe AS in China and analyzed the cause of death in four cases. METHODS: This retrospective study included 20 patients who had severe AS and underwent TAVR with a balloon-expandable system (Edwards SAPIEN XT) in our hospital from January 2011 to June 2016...
December 13, 2017: Herz
https://www.readbyqxmd.com/read/29234617/transcatheter-mitral-valve-implantation-in-open-heart-surgery-an-off-label-technique
#14
Jacopo Alfonsi, Giacomo Murana, Anna Corsini, Carlo Savini, Roberto Di Bartolomeo, Davide Pacini
Extensive mitral annulus calcifications are considered a contraindication for valve surgery. We describe the case of a 76-year-old female with severe mitral and aortic stenosis associated with extensive calcifications of the heart. The patient underwent an open mitroaortic valve replacement using transcatheter aortic valve implantation with an Edwards SAPIEN XT valve (Edwards Lifesciences Corp., Irvine, CA, USA) in the mitral position. The aortic valve was replaced using a stentless valve prosthesis (LivaNova SOLO; LivaNova PLC, London, UK)...
December 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29226577/a-cardiologist-s-nightmare-coronary-obstruction-during-transcatheter-aortic-valve-implantation-how-to-identify-patients-at-highest-risk-for-this-complication
#15
EDITORIAL
Wassim Shatila, Zvonimir Krajcer
Transcatheter aortic valve implantation (TAVI) is associated with several complications including coronary obstruction (CO) CO occurs in ∼1% of patients and mostly in patients receiving the SAPIEN XT valve Possible predictors of CO include coronary height <10 mm and aortic sinus diameter of <30 mm.
December 1, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29221741/balloon-expandable-transaortic-transcatheter-aortic-valve-implantation-with-or-without-predilation
#16
Nikolaos Bonaros, Markus Kofler, Derk Frank, Riccardo Cocchieri, Dariusz Jagielak, Marco Aiello, Joel Lapeze, Mika Laine, Sidney Chocron, Douglas Muir, Walter Eichinger, Matthias Thielmann, Louis Labrousse, Vinayak Bapat, Kjell Arne Rein, Jean-Philippe Verhoye, Gino Gerosa, Hardy Baumbach, Cornelia Deutsch, Peter Bramlage, Martin Thoenes, Mauro Romano
OBJECTIVE: It has been reported that balloon aortic valvuloplasty immediately before transfemoral or transapical transcatheter aortic valve implantation has mostly little to no clinical value. We aimed to provide data on the need for balloon aortic valvuloplasty in patients undergoing transaortic transcatheter aortic valve implantation. METHODS: Patients undergoing transaortic transcatheter aortic valve implantation with the Edwards SAPIEN XT (Nyon, Switzerland) or 3 transcatheter heart valve were prospectively included at 18 sites across Europe...
November 2, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29215688/microtensile-bond-strength-and-microhardness-of-composite-resin-restorations-using-a-sonic-resin-placement-system
#17
Victor Hugo Grandi, Sandrine Bittencourt Berger, Ana Paula Piovezan Fugolin, Alcides Gonini-Júnior, Murilo Baena Lopes, Simonides Consani, Ricardo Danil Guiraldo
The aim of this study was to evaluate the efficacy of applying sonic energy on microtensile bond strength and microhardness after the restoration process. A total of 40 human third molars were extracted. Class II cavities were prepared and restored with composite SonicFill or Filtek Z350 XT with and without the application of sonic energy. After the teeth were stored in water for 24 h, the teeth were sectioned into sticks (1.0 mm2) and subjected to tensile testing. For a depth Knoop hardness test, the samples were cut and indentations were made sequentially from the surface of the samples to the bottom of the samples in three intervals of 1 mm each...
September 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29208783/clinical-time-required-and-internal-adaptation-in-cavities-restored-with-bulk-fill-composites
#18
Marcos Gabriel Vianna-de-Pinho, Guilherme Ferreira Rego, Marina Lermenn Vidal, Roberta Caroline Bruschi Alonso, Luis Felipe Jochims Schneider, Larissa Maria Cavalcante
AIM: The aim of this study was to compare the restorative time required and the internal adaptation after thermomechanical aging of class I restorations using either the conventional incremental technique or bulk-fill technique. MATERIALS AND METHODS: Cavities (Class I) were prepared on the occlusal surface of human third molars. 40 teeth were divided into four experimental groups according to the restorative technique (n = 10): G1 = 3 mm increment of Surefill SDR Flow + 1 mm Filtek P60; G2 = 3 mm increment of Filtek Bulk-Fill + 1 mm Filtek P60; G3 = Filtek P60 inserted with incremental technique; G4 = 3 mm increment of Filtek Z350 Flow XT + 1 mm increment of Filtek P60...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29199679/a-comparative-analysis-of-immunohistochemistry-and-fluorescent-in-situ-hybridization-assay-to-detect-anaplastic-lymphoma-kinase-status-in-lung-adenocarcinoma-cases-a-search-for-a-testing-algorithm
#19
P B Wagle, N A Jambhekar, R Kumar, K Prabhash, C S Pramesh, S B Desai, V Noronha, G Karimundackal, A Shah, A Joshi, S G Laskar, S Jiwnani, T Pai, J P Agarwal
INTRODUCTION: Testing for echinoderm microtubule-associated protein-like 4 (EML4) anaplastic lymphoma kinase (ALK) translocation by fluorescence in situ hybridization (FISH) is well established whereas the Food and Drug Administration (FDA) ALK immunohistochemical (IHC) test is relatively new. AIMS AND OBJECTIVE: The aim of this study is to compare FDA-approved ALK IHC test (D5F3 clone) with the standard ALK FISH test. MATERIALS AND METHODS: A validation and a test arm with 100 and 200 cases of Formalin-Fixed, Paraffin-embedded blocks of lung adenocarcinoma, respectively, comprised the material...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29199205/re-evaluation-of-mib-1-immunostaining-for-diagnosing-hyalinizing-trabecular-tumour-of-the-thyroid-semi-automated-techniques-with-manual-antigen-retrieval-are-more-accurate-than-fully-automated-techniques
#20
Nami Takada, Mitsuyoshi Hirokawa, Chiho Ohbayashi, Takeshi Nishikawa, Tomoo Itoh, Naoko Imagawa, Tetsunari Oyama, Tadashi Handa, Tadashi Hasegawa, Shintaro Sugita, Akiko Murata, Akira Miyauchi
Hyalinizing trabecular tumour (HTT) immunohistochemically shows cell membranous immunoreactivity for MIB-1. This aberrant immunoreactivity is an important factor for the diagnosis of HTT. However, fully automated stainers frequently fail to confirm the immunoreactivity. The aim of this study is to investigate the cause of false negative cell membranous immunoreactivity for MIB-1 in HTT using fully automated stainers, to determine potential reasons for the problem, and to establish methods confirming cell membranous immunoreactivity for MIB-1 in HTT...
December 2, 2017: Endocrine Journal
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