A device for improving the function of a heart valve comprises a first loop-shaped support, which is configured to abut a first side of the heart valve, and a second loop-shaped support, which is configured to abut a second side of the heart valve opposite to said first side, whereby a...
Heart valve function: a biomechanical perspective. Phil Trans R Soc B 2007;362:1369-1391.Sacks, M.S., Yoganathan, A.P.: Heart valve function: a biomechanical perspective. Philo- sophical Transactions of the Royal Society B: Biological Sciences 362(1484), 1369-1391 (2007)...
The aortic valve is located at the aortic root, where the aorta connects to the heart. This is located on the front of the heart right in the middle. There are four chambers, or rooms, inside your heart. The blood moves through the chambers the same way each time the heart beats. The...
The terms atrial function and ventricular function refer more specifically to the ability of each of these chambers to pump. Although various parameters, such as stroke volume and cardiac output, are used to describe and quantify ventricular function, these parameters actually reflect overall cardiac ...
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The purpose of our study was to determine whether CT can accurately evaluate mechanical heart valve size and function.Sixty-two patients with mechanical valves (37 single-disc, 27 bileaflet; 59 aortic, 5 mitral) were evaluated with ECG-gated 64-MDCT and transthoracic echocardiography; a subset of...
A device for improving the function of a heart valve comprises a first loop-shaped support, which is configured to abut a first side of the heart valve, and a first flange unit being connected to said
Chambersof the heart The heart is divided by septa, or partitions, into right and left halves, and each half is subdivided into two chambers. The upper chambers, theatria, are separated by a partition known as theinteratrial septum; the lower chambers, theventricles, are separated by theinter...
Long-term echocardiographic data on quantitative assessment of tricuspid and mitral regurgitation after heart transplantation are scarce.From November 1992 to December 2008, the medical records for 201 patients (mean age, 42.8±12.4 years, 47 females) who underwent heart transplantation were reviewed. Qu...
The heart valves work the same way as one-way valves in the plumbing of your home. They prevent blood from flowing in the wrong direction. Each valve has a set of flaps, called leaflets or cusps. The mitral valve has two leaflets; the others have three. The leaflets are attached to an...