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https://www.readbyqxmd.com/read/28506330/edwards-valve-in-valve-implantation-in-tricuspid-position
#1
Maria Álvarez-Fuente, Nikolaus A Haas, Maria Jesus Del Cerro
We present two cases of percutaneous Sapien XT valve-in-valve implantation in the tricuspid position: a 20-year-old man with severe congenital pulmonary stenosis and percutaneous valvuloplasty, who required surgical implantation of two protheses, pulmonary and tricuspid, and a 12-year-old boy with CHD and a degenerated tricuspid prosthesis. We implanted three Sapien XT valve-in-valves, two in the tricuspid position and one in the pulmonic position. Sapien XT valve-in-valve implantation in the tricuspid position is feasible and can decrease the number of surgeries in CHD patients...
May 16, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28474285/chyluria-and-chylothorax-after-posterior-selective-fusion-for-adolescent-idiopathic-scoliosis
#2
Alexander A Weening, Bernadette Schurink, Jelle P Ruurda, Richard van Hillegersberg, Ronald L A W Bleys, Moyo C Kruyt
PURPOSE: To describe and discuss the diagnostic and treatment complexity of lymphatic system complications after scoliosis surgery. METHODS: Surgery for adolescent idiopathic scoliosis is very commonly performed with posterior pedicle screw instrumentation. Complications of the anteriorly based lymphatic system are, therefore, rare. We present a case with complications related to the lymphatic system, which have not been reported before after this type of surgery...
May 5, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28470349/cadmium-compartmentalization-in-the-pulmonate-snail-lymnaea-stagnalis-improving-our-understanding-of-exposure
#3
Evelyn G Reátegui-Zirena, Amanda D French, David M Klein, Christopher J Salice
In ecotoxicology, analytical compartmentalization analysis can be used to better understand metal sequestration and detoxification. Metals are typically found in two main compartments, biologically detoxified metal (BDM) and metal sensitive fractions (MSF). The purpose of this study was to analyze the subcellular distribution of cadmium (Cd) in Lymnaea stagnalis. Adult snails were exposed to three concentrations of Cd for 56 days as part of a global ring test for L. stagnalis. At the end of the 56-day exposure, organisms were separated in two sections (viscera and foot)...
May 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28439937/maternal-nutrient-restriction-during-pregnancy-and-lactation-leads-to-impaired-right-ventricular-function-in-young-adult-baboons
#4
Anderson H Kuo, Cun Li, Hillary F Huber, Matthias Schwab, Peter W Nathanielsz, Geoffrey D Clarke
KEY POINTS: Maternal nutrient restriction induces intrauterine growth restriction (IUGR) and leads to heightened cardiovascular risks later in life. We report right ventricular (RV) filling and ejection abnormalities in IUGR young adult baboons using cardiac magnetic resonance imaging. Both functional and morphological indicators of poor RV function were seen, many of which were similar to effects of ageing, but also with a few key differences. We observed more pronounced RV changes compared to our previous report of the left ventricle, suggesting there is likely to be a component of isolated RV abnormality in addition to expected haemodynamic sequelae from left ventricular dysfunction...
April 25, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28403058/multiorgan-involvement-confounding-the-diagnosis-of-bartonella-henselae-infective-endocarditis-in-children-with-congenital-heart-disease
#5
Christopher P Ouellette, Sarita Joshi, Karen Texter, Preeti Jaggi
Two children with congenital heart disease status post surgical correction presented with prolonged constitutional symptoms, hepatosplenomegaly and pancytopenia. Concern for malignancy prompted bone marrow biopsies that were without evidence thereof. In case 1, echocardiography identified a multilobulated vegetation on the conduit valve. In case 2, transthoracic, transesophageal and intracardiac echocardiography were performed and were without evidence of cardiac vegetations; however, pulmonic emboli raised concern for infective endocarditis...
May 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28358604/infundibular-pulmonic-stenosis-in-a-moluccan-cockatoo-cacatua-moluccensis
#6
Graham Zoller, David Sanchez-Migallon Guzman, Noémie Summa, Krista A Keller, Sarah J Silverman, Joshua A Stern
A 31-year-old female Moluccan cockatoo (Cacatua moluccensis) was examined for intermittent foot clenching of 4 months' duration. Physical examination revealed feather-destructive behavior and clinical findings compatible with hypovitaminosis A. Neurologic examination was unremarkable. Results of radiographs, hematologic testing, plasma biochemical analyses, and measurement of lead and trace element blood concentrations were unremarkable, except for degenerative joint disease of several thoracic intervertebral joints and a low blood copper concentration...
March 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28345243/dehiscence-of-a-pulmonary-bioprosthesis-with-a-focal-dissection-of-the-pulmonary-artery-in-a-patient-with-congenital-pulmonic-stenosis
#7
Evin Yucel, Ami Bhatt, Christos G Mihos, Brian B Ghoshhajra, Doreen DeFaria Yeh
Pulmonary valve replacement (PVR) is the most common adult congenital cardiac operation performed. Valve degeneration leading to prosthetic stenosis and/or regurgitation is a long-term risk in this population and may be associated with paravalvular leak (PVL). Complications involving the proximal pulmonary artery, including dissection, are less clearly defined. Herein, we report the case of a 30-year-old patient with a history of multiple pulmonary valve interventions secondary to congenital pulmonic stenosis, who developed dehiscence of a bioprosthetic PVR associated with significant paravalvular leak (PVL) and further complicated by a focal dissection of the proximal pulmonary artery...
March 27, 2017: Echocardiography
https://www.readbyqxmd.com/read/28329102/single-leaflet-reconstruction-of-pulmonic-valve-with-decellurized-bovine-pericardium
#8
Jonathan M Tomasko, J Scott Rankin, S Chris Malaisrie
A patient presented with a complex mass seen extending from the lumen of the aorta to the lumen of the pulmonary artery. Papillary fibroelastoma was identified at resection, however the left pulmonary valve leaflet required resection to fully remove the mass. The leaflet was reconstructed using the bovine pericardial extracellular matrix. Valve function and flow characteristics were excellent following repair.
February 17, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28316101/n-terminal-pro-b-type-natriuretic-peptide-and-phonocardiography-in-differentiating-innocent-cardiac-murmurs-from-congenital-cardiac-anomalies-in-asymptomatic-puppies
#9
S M Marinus, H van Engelen, V Szatmári
BACKGROUND: Differentiating innocent cardiac murmurs from murmurs caused by congenital cardiac anomalies can be challenging with auscultation alone in asymptomatic puppies. HYPOTHESIS: Plasma N-terminal pro-B-type natriuretic peptide (NT-proBNP) concentrations and phonocardiograms recorded by an electronic stethoscope can differentiate innocent from pathologic cardiac murmurs. ANIMALS: A total of 186 client-owned asymptomatic dogs: 135 Cairn Terriers (age: 45-124 days), 20 adult Cairn Terriers (age: 7...
May 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28277319/evaluation-of-pulmonary-artery-pressure-measurements-in-severe-pulmonic-valve-insufficiency-in-the-absence-of-tricuspid-regurgitation
#10
Kiri Mackersey, Nikolaos Skubas, Adam Lichtman
No abstract text is available yet for this article.
March 8, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28256252/full-development-of-consequences-of-congenital-pulmonic-stenosis-in-eighty-four-years
#11
William C Roberts, Paul A Grayburn, Joseph M Guileyardo, Robert C Stoler
Described herein is an 84-year-old woman, the oldest reported, with severe pulmonic stenosis who underwent a highly successful pulmonic valvotomy at age 77 and highly unsuccessfully attempted percutaneous pulmonic valve implantation at age 84. During the 84 years she developed nearly all clinical and morphologic consequences of pulmonic stenosis, including heavy calcification of the pulmonic valve, heavy calcification of the tricuspid valve annulus, severe right ventricular wall thickening without ventricular cavity dilation, aneurysm of the pulmonary truck, multiple focal ventricular wall scars without narrowing of the epicardial coronary arteries, wall thickening and luminal narrowing of the intramural coronary arteries, and extremely low 12-lead QRS electrocardiographic voltage...
April 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28094152/use-of-3d-printer-technology-to-facilitate-surgical-correction-of-a-complex-vascular-anomaly-with-esophageal-entrapment-in-a-dog
#12
A Dundie, G Hayes, P Scrivani, L Campoy, D Fletcher, K Ash, E Oxford, N S Moïse
A 10 week old female intact Staffordshire terrier was presented with a total of five congenital cardio-thoracic vascular anomalies consisting of a patent ductus arteriosus (PDA) with an aneurysmic dilation, pulmonic stenosis, persistent right aortic arch, aberrant left subclavian artery and persistent left cranial vena cava. These abnormalities were identified with a combination of echocardiogram and computed tomography angiography (CTA). The abnormalities were associated with esophageal entrapment, regurgitation, and volume overload of the left heart with left atrial and ventricular enlargement...
April 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28046446/su-c-202-06-design-and-development-of-a-non-rigid-phantom-ventilating-air-quantitatively-evaluating-ct-based-pulmonary-ventilation-imaging
#13
S Miyakawa, H Tachibana, S Moriya, T Kurosawa, M Sato
PURPOSE: A validation study using human or sheep for CT pulmonary ventilation (CT-V) imaging are inefficient and partially unstable. In this study, we designed and developed non-rigid phantom ventilating air to quantitatively evaluate the CT-V image. METHODS: The phantom consisted of an acryl cylinder filled with polyurethane foam designed to pulmonic alveoli and a polyurethane membrane was attached to the inferior end of the phantom to simulate a lung diaphragm...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28038838/-interventional-cardiac-catheterization-in-congenital-heart-disease
#14
François Godart, Ali Houeijeh
Interventional cardiac catheterization has a major place in the management of congenital heart disease. Since the Rashkind atrioseptostomy in mid-1960s, many techniques have been developed. For some, it is necessary to close a cardiac or extracardiac shunt using occluder (double disc system, plug, coil…): closure of atrial septal defect, ventricular septal defect or patent arterial duct. For others, it is necessary to treat a valvular or vascular stenosis using a balloon catheter: dilatation of the pulmonary or the aortic valve, dilatation of aortic coarctation...
December 27, 2016: La Presse Médicale
https://www.readbyqxmd.com/read/28027277/multi-organ-involvement-confounding-the-diagnosis-of-bartonella-henselae-infective-endocarditis-in-children-with-congenital-heart-disease
#15
Christopher P Ouellette, Sarita Joshi, Karen Texter, Preeti Jaggi
Two children with congenital heart disease status-post surgical correction presented with prolonged constitutional symptoms, hepatosplenomegaly and pancytopenia. Concern for malignancy prompted bone marrow biopsies that were without evidence thereof. In case #1, echocardiography identified a multilobulated vegetation on the conduit valve. In case #2, transthoracic, transesophageal and intracardiac echocardiography were performed and were without evidence of cardiac vegetations, however pulmonic emboli raised concern for infective endocarditis...
December 23, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27978815/origin-and-diversification-of-lake-ohrid-s-endemic-acroloxid-limpets-the-role-of-geography-and-ecology
#16
Björn Stelbrink, Alena A Shirokaya, Kirstin Föller, Thomas Wilke, Christian Albrecht
BACKGROUND: Ancient Lake Ohrid, located on the Albania-Macedonia border, is the most biodiverse freshwater lake in Europe. However, the processes that gave rise to its extraordinary endemic biodiversity, particularly in the species-rich gastropods, are still poorly understood. A suitable model taxon to study speciation processes in Lake Ohrid is the pulmonate snail genus Acroloxus, which comprises two morphologically distinct and ecologically (vertically) separated endemic species. Using a multilocus phylogenetic framework of Acroloxus limpets from the Euro-Mediterranean subregion, together with molecular-clock and phylogeographic analyses of Ohrid taxa, we aimed to infer their geographic origin and the timing of colonization as well as the role of geography and ecology in intra-lacustrine diversification...
December 15, 2016: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/27941967/biompha-lamp-a-new-rapid-loop-mediated-isothermal-amplification-assay-for-detecting-schistosoma-mansoni-in-biomphalaria-glabrata-snail-host
#17
Javier Gandasegui, Pedro Fernández-Soto, Juan Hernández-Goenaga, Julio López-Abán, Belén Vicente, Antonio Muro
BACKGROUND: Schistosomiasis remains one of the most common endemic parasitic diseases affecting over 230 million people worlwide. Schistosoma mansoni is the main species causing intestinal and hepatic schistosomiasis and the fresh water pulmonate snails of the genus Biomphalaria are best known for their role as intermediate hosts of the parasite. The development of new molecular monitoring assays for large-scale screening of snails from transmission sites to detect the presence of schistosomes is an important point to consider for snail control interventions related to schistosomiasis elimination...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27913078/pulmonary-artery-dissection-following-balloon-valvuloplasty-in-a-dog-with-pulmonic-stenosis
#18
K A Grint, H B Kellihan
A 3-month-old, 9.9 kg, male pit bull cross was referred for evaluation of collapse. A left basilar systolic heart murmur graded V/VI and a grade IV/VI right basilar systolic heart murmur were ausculted. Echocardiography showed severe pulmonic stenosis characterized by annular hypoplasia, leaflet thickening, and leaflet fusion. After 1 month of atenolol therapy, a pulmonic valve balloon valvuloplasty procedure was performed, and the intra-operative right ventricular pressure was reduced by 43%. Echocardiography, performed the following day, showed apparent rupture of a pulmonary valve leaflet and a membranous structure within the pulmonary artery consistent with a dissecting membrane...
April 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/27904959/differential-pulmonic-nk-and-nkt-cell-responses-in-schistosoma-japonicum-infected-mice
#19
Hefei Cha, Wenjuan Qin, Quan Yang, Hongyan Xie, Jiale Qu, Mei Wang, Daixiong Chen, Fang Wang, Nuo Dong, Longhua Chen, Jun Huang
Natural killer cells (NK cells) and natural killer T cells (NKT cells) play a role in anti-infection, anti-tumor, transplantation immunity, and autoimmune regulation. However, the role of NK and NKT cells during Schistosoma japonicum (S. japonicum) infection has not been widely reported, especially regarding lung infections. The aim of this study was to research the NK and NKT cell response to S. japonicum infection in the lungs of mice. Using immunofluorescent histological analysis, NK and NKT cells were found near pulmonary granulomas...
February 2017: Parasitology Research
https://www.readbyqxmd.com/read/27891743/ingressive-speech-errors-a-service-evaluation-of-speech-sound-therapy-in-a-child-aged-4-6
#20
Laura Hrastelj, Rachael-Anne Knight
BACKGROUND: A pattern of ingressive substitutions for word-final sibilants can be identified in a small number of cases in child speech disorder, with growing evidence suggesting it is a phonological difficulty, despite the unusual surface form. Phonological difficulty implies a problem with the cognitive process of organizing speech into sound contrasts. AIMS: To evaluate phonological therapy approaches in the remediation of non-pulmonic speech errors. Thus, adding to evidence concerning the nature of ingressive substitutions and their remediation whilst highlighting their occurrence within child speech disorder population for practising and training speech and language therapists...
November 27, 2016: International Journal of Language & Communication Disorders
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