Results 101 to 110 of about 61,734 (360)

Acquired discrete subaortic stenosis late after mitral valve replacement

open access: yesIndian Heart Journal, 2016
Although acquired left ventricular outflow obstruction has been reported in a variety of conditions, there are scant reports of its occurrence following mitral valve replacement (MVR).
Jagdish C. Mohan   +3 more
doaj   +1 more source

Tetralogy of Fallot with right ventricular outflow tract obstruction and patent ductus arteriosus in a dog

open access: yesVeterinární Medicína, 2020
In this study we describe the echocardiographic features of a complex cardiac defect with a right to left shunt through tetralogy of Fallot and also a left to right shunt through a patent ductus arteriosus (PDA) in a 3-year-old dog.
Seungjo Park   +4 more
doaj   +1 more source

Right ventricular outflow tract obstruction in complicated monochorionic twin pregnancy

open access: yesUltrasound in Obstetrics and Gynecology, 2017
Severe right ventricular outflow tract obstruction (RVOTO) is a potential complication in recipient twins of twin‐to‐twin transfusion syndrome (TTTS) that requires postnatal follow‐up or treatment.
S. Eschbach   +10 more
semanticscholar   +1 more source

Obstructive Right Ventricular Outflow Tract Hemangioma in an Adolescent

open access: yesCongenital Heart Disease, 2011
Cardiac tumors are rare in children, but they are being diagnosed with increasing frequency and great accuracy with wide array of imaging modalities. Cardiac rhabdomyoma and myxoma are the most common tumors in children and adults, respectively. Cardiac hemangiomas comprise about 2.8% of all primary cardiac tumors and fewer than 100 cases have been ...
Jayendra Sharma   +2 more
openaire   +3 more sources

Trametinib alters contractility of paediatric Noonan syndrome‐associated hypertrophic myocardial tissue slices

open access: yesESC Heart Failure, EarlyView.
Abstract Aims No curative treatment is available for RASopathy‐associated childhood‐onset hypertrophic cardiomyopathy (RAS‐CM). Preclinical data and individual reports suggest a beneficial effect of small molecules targeting the RAS–mitogen‐activated protein (MAP) kinase (MAPK) pathway in severely affected RAS‐CM patients.
Jules Hamers   +11 more
wiley   +1 more source

High-Resolution, Three-Dimensional Reconstruction of the Outflow Tract Demonstrates Segmental Differences in Cleared Eyes [PDF]

open access: yesarXiv, 2017
Purpose: The rate of conventional aqueous humor outflow is the highest nasally. We hypothesized that this is reflected in regionally different outflow structures and analyzed the entire limbus by high-resolution, full-thickness ribbon-scanning confocal microscopy (RSCM).
arxiv  

Fusion rules for pastures and tracts [PDF]

open access: yesarXiv, 2021
Baker and Bowler defined a category of algebraic objects called tracts which generalize both partial fields and hyperfields. They also defined a notion of weak and strong matroids over a tract $F$, and proved that if $F$ is perfect, meaning that $F$-vectors and $F$-covectors are orthogonal for every matroid over $F$, then the notions of weak and strong
arxiv  

Predicting right ventricular failure after left ventricular assist device implant: A novel approach

open access: yesESC Heart Failure, EarlyView.
Abstract Aims Right ventricular (RV) failure (RVF) after left ventricular assist device (LVAD) implant is an important cause of morbidity and mortality. Modern, data‐driven approaches for defining and predicting RVF have been under‐utilized. Methods Two hundred thirty‐two patients were identified with a mean age of 55 years; 40 (17%) were women, 132 ...
Carissa E. Livingston   +6 more
wiley   +1 more source

Link groups and the A-B slice problem [PDF]

open access: yesTopology and physics, 220-235, Nankai Tracts Math., 12, World Sci. Publ., Hackensack, NJ, 2008, 2006
The A-B slice problem is a reformulation of the topological 4-dimensional surgery conjecture in terms of decompositions of the 4-ball and link homotopy. We show that link groups, a recently developed invariant of 4-manifolds, provide an obstruction for the class of model decompositions, introduced by M. Freedman and X.-S. Lin.
arxiv  

Composite valved apico-aortic conduits for left ventricular outflow obstruction.

open access: yesActa Médica Portuguesa, 1980
Problems related to the left ventricular outflow tract are not always amenable to conventional surgical methods, and in some cases may be solved with the creation of a double outlet left ventricle, using a composite rigid pyrolite left ventricular apex ...
Denton A. Cooley, John C. Norman
doaj   +1 more source

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