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Full-Text Articles in Biomedical Engineering and Bioengineering
Quantifying Blood Flow Patterns In The Pediatric Heart Using Blood Speckle Imaging, Harrison Dean
Quantifying Blood Flow Patterns In The Pediatric Heart Using Blood Speckle Imaging, Harrison Dean
Biomedical Engineering Undergraduate Honors Theses
Congenital Heart Disease (CHD) is the most common type of congenital disease worldwide. Echocardiography using Doppler ultrasound is typically used to diagnose and monitor CHD; however, it is angle-dependent in nature and as a result is limited in its ability to accurately evaluate ventricular function. Blood Speckle Imaging (BSI) is a novel, angle-independent imaging modality that provides detailed blood flow information and visualization within a given area using speckle-tracking. In this study, velocity-field information obtained from BSI was used to calculate flow parameters such as kinetic energy (KE) and circulation using a custom created MATLAB program. BSI was performed on …
Static Force Analysis Of A Porcine Mitral Valve To Determine Self-Supporting Capabilities Of The Leaflets, Jacob Paris
Static Force Analysis Of A Porcine Mitral Valve To Determine Self-Supporting Capabilities Of The Leaflets, Jacob Paris
Biomedical Engineering Undergraduate Honors Theses
The mitral valve (MV) is responsible for controlling the flow between the left atrium (LA) and left ventricle (LV). This includes maintaining valve closure under high systolic pressures. Mitral regurgitation (MR) occurs when the valve fails to completely close and blood flows in the reverse direction, from the LV to the LA, during ejection. This type of valvular heart disease is prevalent among elderly individuals and is becoming increasingly common as the population ages. In order to better understand how to properly treat this large group of affected individuals, the mechanics of the MV during high systolic pressures must be …
Development Of A Model For Accelerated Fatigue Testing In Venous Valves, Olga Brazhkina
Development Of A Model For Accelerated Fatigue Testing In Venous Valves, Olga Brazhkina
Biomedical Engineering Undergraduate Honors Theses
Malfunctioning venous cause issues ranging from cosmetic to life threatening situations for millions of people in the U.S. (1). Venous valve bioprosthetics often fail due to a loss in leaflet tissue flexibility following chemical fixation of donor tissue (2). A viable solution for testing venous valves prior to and post chemical fixation is in high demand for the development of a more durable prosthetic replacement. As a result, this research aims to create a fatigue apparatus that provides a means to model the durability of venous valves. The design criteria for this project included modeling physiological conditions in an accelerated …