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https://www.readbyqxmd.com/read/29453394/experimental-modelling-of-cardiac-pressure-overload-hypertrophy-modified-technique-for-precise-reproducible-safe-and-easy-aortic-arch-banding-debanding-in-mice
#1
David Merino, Aritz Gil, Jenny Gómez, Luis Ruiz, Miguel Llano, Raquel García, María A Hurlé, J Francisco Nistal
Pressure overload left ventricular hypertrophy is a known precursor of heart failure with ominous prognosis. The development of experimental models that reproduce this phenomenon is instrumental for the advancement in our understanding of its pathophysiology. The gold standard of these models is the controlled constriction of the mid aortic arch in mice according to Rockman's technique (RT). We developed a modified technique that allows individualized and fully controlled constriction of the aorta, improves efficiency and generates a reproducible stenosis that is technically easy to perform and release...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29447313/double-duplicate-technique-for-cad-cam-full-arch-immediate-loading-a-technical-description-and-case-report
#2
Alvise Cenzi Venezze, Paolo Ghensi, Edoardo Stellini, Vanessa Ruiz Magaz, Eriberto Bressan
Full-arch fixed implant-supported prostheses have shown high biologic success rates after long-term follow-up, along with technical and prosthetic complications. Adequate planning is necessary for immediate implant occlusal loading in a completely edentulous maxilla or mandible. For totally edentulous patients, the main prosthetic problem is the transfer of diagnostic information to the master cast when an immediate loading approach is used. The aim of this clinical case report is to illustrate a new prosthetic protocol for immediate implant loading in edentulous or potentially edentulous patients...
March 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29445807/base-free-n-alkylation-of-anilines-with-arch-2-oh-and-transfer-hydrogenation-of-aldehydes-ketones-catalyzed-by-the-complexes-of-%C3%AE-5-cp-ir-iii-with-chalcogenated-schiff-bases-of-anthracene-9-carbaldehyde
#3
Pooja Dubey, Sonu Gupta, Ajai K Singh
The condensation of anthracene-9-carbaldehyde with 2-(phenylthio/seleno)ethylamine results in Schiff bases [PhS(CH 2 ) 2 C[double bond, length as m-dash]N-9-C 14 H 9 ](L1) and [PhSe(CH 2 ) 2 C[double bond, length as m-dash]N-9-C 14 H 9 ] (L2). On their reaction with [(η 5 -Cp*)IrCl(μ-Cl)] 2 and CH 3 COONa at 50 °C followed by treatment with NH 4 PF 6 , iridacycles, [(η 5 -Cp*)Ir(L-H)][PF 6 ] (1: L = L1; 2: L = L2), result. The same reaction in the absence of CH 3 COONa gives complexes [(η 5 -Cp*)Ir(L)Cl][PF 6 ] (3-4) in which L = L1(3)/L2(4) ligates in a bidentate mode...
February 15, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29434740/a-pilot-study-of-a-cardiovascular-virtual-endoscopy-system-based-on-multi-detector-computed-tomography-in-diagnosing-tetralogy-of-fallot-in-pediatric-patients
#4
Li-Ping Yao, Li Zhang, Ju Mei, Fang-Bao Ding, Hui-Ming Li, Ming Ding, Xin Yang, Xiao-Ming Li, Kun Sun
The present study aimed to investigate the capabilities of the cardiovascular virtual endoscopy (VE) system in diagnosing tetralogy of Fallot (TOF) and performing measurements. A total of 37 patients underwent two-dimensional echocardiography (2-DE) and multi-detector computed tomography (MDCT) examinations. The obtained MDCT images were applied to a cardiovascular VE system. Diagnostic time by VE was first studied and compared with MDCT. Subsequently, with surgical findings as the ground truth, the capabilities of VE, 2-DE and MDCT in diagnosing TOF and its complications were investigated...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29431578/patency-of-the-arterial-pedal-plantar-arch-in-patients-with-chronic-kidney-disease-or-diabetes-mellitus
#5
Axel Haine, Alan G Haynes, Andreas Limacher, Tim Sebastian, Wuttichai Saengprakai, Torsten Fuss, Iris Baumgartner
BACKGROUND: Patency of the pedal-plantar arch limits risk of amputation in peripheral artery disease (PAD). We examined patients without chronic kidney disease (CKD)/diabetes mellits (DM) [PAD-control], those with DM without CKD, and those with CKD without DM. METHOD: Uni- and multivariate logistic regression was used to assess association of CKD with loss of patency of the pedal-plantar arch and presence of tibial or peroneal vessel occlusion. Multivariate models adjusted for age, sex, hypertension, hyperlipidemia and smoking...
February 1, 2018: Therapeutic Advances in Cardiovascular Disease
https://www.readbyqxmd.com/read/29430994/aortic-arch-anomalies-detected-in-foetal-life-by-echocardiography
#6
Funda Oztunc, Sezen Ugan Atik, Reyhan Dedeoglu, Mehmet Aytac Yuksel, Rıza Madazlı
Aortic arch anomalies refer to congenital malformations of position or branching pattern of the aortic arch. To-date, only a few small studies have documented prenatal detection of aortic arch anomalies. In this article, we share our experience in detecting aortic arch anomalies. Foetal echocardiograms, clinic and genetic histories of 33 patients who had been diagnosed with aortic arch anomaly from 2007 to 2015 were reviewed. In 15 patients, right aortic arch with mirror image branching; in 13 patients, right aortic arch with left ductus arteriosus and aberrant left subclavian artery; in three patients, left aortic arch with aberrant right subclavian artery; in one patient bilateral ductus and right aortic arch with aberrant left subclavian artery and in one patient double aortic arch were detected...
February 12, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29420728/unusual-coarctation-repair-with-double-lumen-distal-arch
#7
Michaela M Hell, Elizabeth Orchard, Stephen Westaby, Saul G Myerson
No abstract text is available yet for this article.
February 6, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29411727/effect-of-titanium-prepared-platelet-rich-fibrin-treatment-on-the-angiogenic-biomarkers-in-gingival-crevicular-fluid-in-infrabony-defects-of-patients-with-chronic-periodontitis-a-randomized-controlled-clinical-trial
#8
H G Pirebas, M K Hendek, U Kisa, M Yalim, E O Erdemir
AIM: The aim of this double-blinded, randomized, controlled clinical study was to investigate the effect of titanium-prepared platelet-rich fibrin (T-PRF) treatment on the angiogenic biomarkers in gingival crevicular fluid (GCF) in infrabony defects of patients with chronic periodontitis. MATERIALS AND METHODS: Twenty five systemically healthy participants who complied with inclusion criteria with periodontal infrabony defects were recruited. In each patient, the infrabony defect of one side of arch was designated as control group (allograft), whereas the infrabony defect on the contralateral side of same arch was designated as test group (allograft + T-PRF)...
January 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29351610/orthotopic-branched-endovascular-aortic-arch-repair-in-patients-who-cannot-undergo-classical-surgery
#9
Martin Czerny, Bartosz Rylski, Julia Morlock, Holger Schröfel, Friedhelm Beyersdorf, Bertrand Saint Lebes, Olivier Meyrignac, Fatima Mokrane, Mario Lescan, Christian Schlensak, Constatijn Hazenberg, Trijntje Bloemert-Tuin, Sue Braithwaite, Joost van Herwaarden, Herve Rousseau
OBJECTIVES: Our goal was to assess the results after orthotopic branched endovascular aortic arch repair using a new double-branch endoprosthesis in patients with thoracic aortic disease affecting the aortic arch who cannot undergo classical surgery. METHODS: Within a 4-year period, 15 patients with thoracic aortic disease affecting the aortic arch were treated with the Bolton Relay plus double-branch endoprosthesis (Bolton Medical, Sunrise, FL, USA). We assessed clinical outcome, occurrence of endoleaks and the need for secondary interventions...
January 16, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29339683/case-image-double-aortic-arch-presenting-with-respiratory-disorders
#10
Onur Şen, Ersin Kadiroğulları, Ünal Aydın, Selen İsmihan Onan
No abstract text is available yet for this article.
January 2018: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/29334828/an-unusual-combination-of-double-inlet-left-ventricle-with-discordant-ventriculoarterial-connections-and-bilateral-arterial-ducts
#11
Safak Alpat, Adrian Crucean, Tarak Desai, Simon McGuirk, Robert H Anderson, Phil Botha, David Barron
The presence of bilaterally persistent arterial ducts is an uncommon abnormality. Here, we describe the anatomy and successful management of an unusual patient with bilateral ducts in the setting of double inlet left ventricle, discordant ventriculoarterial connections, aortic atresia, and a severely hypoplastic and serpentine aortic arch.
January 1, 2018: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29318363/double-left-brachiocephalic-vein-with-a-preaortic-course-a-rare-finding
#12
Geum Hee Hwang, Kyung Hee Lee, Soon Gu Cho, Yong Sun Jeon, Yeo Ju Kim, Ha Young Lee, Jun Ho Kim
A double left brachiocephalic vein is an uncommon anatomic variation. Among these, a accessory branch with preaortic course is extremely rare. In this case, both branches of the left brachiocephalic vein were anterior to the aortic arch. We describe the computed tomography findings with volume-rendering imaging of this rare anatomic variation.
January 9, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29280176/-y-sign-at-the-level-of-the-3-vessel-and-trachea-view-an-effective-fetal-marker-of-aortic-dextroposition-anomalies-in-the-first-trimester
#13
Marcin Pasternok, Agnieszka Nocun, Anna Knafel, Mariusz Grzesiak, Maciej Orzechowski, Katarzyna Konarska, Artur Ludwin, Inga Ludwin, Piotr Zymroz, Anna Parzynska, Marcin Wiechec
OBJECTIVES: The "Y sign" at the level of the 3-vessel and trachea view corresponds to thinning of main pulmonary artery and arterial duct and a dilated transverse aortic arch. The purpose of this study was to evaluate the Y sign for the diagnosis of aortic dextroposition anomalies at the time of the first-trimester scan and to assess the screening performance of only the Y sign, only abnormal left axis deviation (axis sign), and their combination for the diagnosis of aortic dextroposition anomalies...
December 27, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29276881/truncus-arteriosus-with-double-aortic-arch-a-rare-association
#14
Selman Vefa Yıldırım, Ali Yıldırım
Yıldırım SV, Yıldırım A. Truncus arteriosus with double aortic arch: A rare association. Turk J Pediatr 2017; 59: 221-223. Truncus arteriosus (TA) is a congenital heart defect often diagnosed in neonatal period; it represents 0.7% of all congenital heart lesions. The pulmonary arteries originate generally above the coronary ostium. Aorto-pulmonary and interventricular defects are believed to represent an abnormality of conotruncal septation. TA is classified into four types, according to Van Praagh and Colette Edwards...
2017: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/29248166/high-temporal-resolution-modeling-of-the-impact-of-rain-tides-and-sea-level-rise-on-water-table-flooding-in-the-arch-creek-basin-miami-dade-county-florida-usa
#15
Michael C Sukop, Martina Rogers, Greg Guannel, Johnna M Infanti, Katherine Hagemann
Modeling of groundwater levels in a portion of the low-lying coastal Arch Creek basin in northern Miami-Dade County in Southeast Florida USA, which is subject to repetitive flooding, reveals that rain-induced short-term water table rises can be viewed as a primary driver of flooding events under current conditions. Areas below 0.9m North American Vertical Datum (NAVD) elevation are particularly vulnerable and areas below 1.5m NAVD are vulnerable to exceptionally large rainfall events. Long-term water table rise is evident in the groundwater data, and the rate appears to be consistent with local rates of sea level rise...
December 4, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29248031/double-aortic-arch-presenting-as-neonatal-respiratory-failure-in-the-delivery-room
#16
Marc Lee, T K Susheel Kumar, Govinda Paudel
Respiratory symptoms are prevalent in vascular ring anomalies, including double aortic arch, which is considered the most common type of vascular ring. However, respiratory failure owing to critical airway obstruction in the neonatal period is rare with few reported cases in the literature. We report a case of a newborn patient who required emergent intubation within the first few hours of life and was later discovered to have a double aortic arch.
December 17, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/29238868/early-experience-and-lessons-learnt-with-customized-fenestrated-thoracic-endovascular-aortic-reconstruction-for-aortic-arch-pathology-in-an-asian-population
#17
Glenn Wei Leong Tan, Lawrence Quek, Bien Peng Tan, Uei Pua
PURPOSE: Thoracic endovascular aortic repair (TEVAR) is the preferred treatment of descending thoracic aorta pathology. However, TEVAR in the aortic arch remains challenging. Customized fenestrated TEVAR (fTEVAR) allows extension of the proximal seal zone, while preserving the involved supra-aortic vessels. There is a paucity of information on fTEVAR; hence, we aim to evaluate our early experience and lessons learnt with fTEVAR in the aortic arch. METHODS: This is a retrospective single-centre review of fTEVAR endografts for aortic arch pathology over 24 months...
December 13, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29207114/elderly-apolipoprotein-e%C3%A2-%C3%A2-mice-with-advanced-atherosclerotic-lesions-in-the-aorta-do-not-develop-alzheimer-s-disease-like-pathologies
#18
Reut Shnerb Ganor, Dror Harats, Ginette Schiby, Kinneret Rosenblatt, Irit Lubitz, Aviv Shaish, Ophira Salomon
Atherosclerosis and Alzheimer's disease (AD) are a major cause of morbidity and mortality in Western societies. These diseases share common risk factors, which are exhibited in old age, including hypertension, diabetes, hypercholesterolemia and apolipoprotein (Apo) ε4 allele. We previously demonstrated that factor XI (FXI) deficiency in mice reduced the atherosclerotic plaque area in coronary sinuses and the aortic arch. This led us to investigate whether FXI deficiency in elderly ApoE knockout (KO) mice would decrease pathological alterations compatible with atherosclerosis and AD...
November 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29187942/-double-aortic-arch-about-two-cases
#19
Sihame Lemouakni, Amale Hassani, Hakim Elyajouri, Mohammed Kmari, Hakim Ourrai, Rachid Abilkacem, Aomar Agadr
Double aortic arch is a rare anomaly of the aortic arch. It is due to the absence of involution of the caudal dorsal aorta. The disease usually begins to show itself in very early clinical signs, already detectable in the neonatal period. Angiography is of great interest to its diagnosis as well as to the choice of the therapeutic approach. Only surgical treatment allows to eliminate tracheoesophageal compression. Surgical mortality rate is low thanks to the progress of postoperative resuscitation. We here report two cases of double aortic arch in order to highlight the contribution of imaging in the difficult diagnosis of this anomaly...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29174590/double-outlet-right-ventricle-with-subpulmonary-ventricular-septal-defect-taussig-bing-anomaly-and-other-complex-congenital-cardiac-malformations-in-an-american-quarter-horse-foal
#20
Rebecca Kohnken, Karsten Schober, Jennifer Godman, Alison Gardner, Tiffany Jenkins, Eric Schroeder, Peter Baker, Laura Dunbar
A 4-week-old American Quarter Horse colt presented with a recent history of diarrhea and decreased activity level. On initial physical examination, the animal was bright and alert and major findings were limited to a loud systolic heart murmur radiating widely over both sides of the thorax. While in the hospital, the clinical condition of the foal warranted further imaging to determine the cause and extent of cardiac disease. A variety of congenital cardiac malformations were identified during echocardiographic examination and autopsy, including a double outlet right ventricle and a subpulmonary interventricular septal defect (Taussig-Bing anomaly), ventricular inversion with atrioventricular discordance, tricuspid valve atresia, a septum primum interatrial septal defect, mitral valve dysplasia with a cleft in the septal mitral valve cusp, aortic, and subaortic stenosis, tubular hypoplasia of the ascending aorta and the aortic arch, a patent ductus arteriosus, an aberrant circumflex coronary artery, and aberrant left and right subclavian arteries...
November 21, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
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