Search Results - "Gamage, Peshala T."

Prediction of stent under-expansion in calcified coronary arteries using machine learning on intravascular optical coherence tomography images by Gharaibeh, Yazan, Lee, Juhwan, Zimin, Vladislav N., Kolluru, Chaitanya, Dallan, Luis A. P., Pereira, Gabriel T. R., Vergara-Martel, Armando, Kim, Justin N., Hoori, Ammar, Dong, Pengfei, Gamage, Peshala T., Gu, Linxia, Bezerra, Hiram G., Al-Kindi, Sadeer, Wilson, David L.

“…It can be difficult/impossible to fully expand a coronary artery stent in a heavily calcified coronary artery lesion. Under-expanded stents are linked to later…”
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Finite Element-Based Machine Learning Model for Predicting the Mechanical Properties of Composite Hydrogels by Shokrollahi, Yasin, Dong, Pengfei, Gamage, Peshala T., Patrawalla, Nashaita, Kishore, Vipuil, Mozafari, Hozhabr, Gu, Linxia

“…In this study, a finite element (FE)-based machine learning model was developed to predict the mechanical properties of bioglass (BG)-collagen (COL) composite…”
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Upper Airway Flow Dynamics in Obstructive Sleep Apnea Patients with Various Apnea-Hypopnea Index by Lin, Shengmao, Premaraj, Thyagaseely Sheela, Gamage, Peshala T, Dong, Pengfei, Premaraj, Sundaralingam, Gu, Linxia

“…This study evaluates the upper airway flow characteristics, anatomical features and analyzes their correlations with AHI in patients with varied degrees of OSA…”
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Spectral Decomposition of the Flow and Characterization of the Sound Signals through Stenoses with Different Levels of Severity by Khalili, Fardin, Gamage, Peshala T, Taebi, Amirtahà, Johnson, Mark E, Roberts, Randal B, Mitchell, John

“…Treatments of atherosclerosis depend on the severity of the disease at the diagnosis time. Non-invasive diagnosis techniques, capable of detecting stenosis at…”
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Spectral Decomposition and Sound Source Localization of Highly Disturbed Flow through a Severe Arterial Stenosis by Khalili, Fardin, Gamage, Peshala T, Taebi, Amirtahà, Johnson, Mark E, Roberts, Randal B, Mitchel, John

“…For the early detection of atherosclerosis, it is imperative to explore the capabilities of new, effective noninvasive diagnosis techniques to significantly…”
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Fractional Flow Reserve (FFR) Estimation from OCT-Based CFD Simulations: Role of Side Branches by Gamage, Peshala T., Dong, Pengfei, Lee, Juhwan, Gharaibeh, Yazan, Zimin, Vladislav N., Bezerra, Hiram G., Wilson, David L., Gu, Linxia

“…The computational fluid dynamic method has been widely used to quantify the hemodynamic alterations in a diseased artery and investigate surgery outcomes. The…”
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Adverse Hemodynamic Conditions Associated with Mechanical Heart Valve Leaflet Immobility by Khalili, Fardin, Gamage, Peshala P T, Sandler, Richard H, Mansy, Hansen A

“…Artificial heart valves may dysfunction, leading to thrombus and/or pannus formations. Computational fluid dynamics is a promising tool for improved…”
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Postural and longitudinal variability in seismocardiographic signals by Azad, Md Khurshidul, Gamage, Peshala T, Dhar, Rajkumar, Sandler, Richard H, Mansy, Hansen A

“… Low frequency cardiovascular vibrations detectable on the chest surface (termed seismocardiography or SCG) may be useful for non-invasive diagnosis and…”
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Hemodynamic alternations following stent deployment and post-dilation in a heavily calcified coronary artery: In silico and ex-vivo approaches by Gamage, Peshala T., Dong, Pengfei, Lee, Juhwan, Gharaibeh, Yazan, Zimin, Vladislav N., Dallan, Luis A.P., Bezerra, Hiram G., Wilson, David L., Gu, Linxia

“…In this work, hemodynamic alterations in a patient-specific, heavily calcified coronary artery following stent deployment and post-dilations are quantified…”
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Geometric features of pig airways using computed tomography by Azad, Md K., Mansy, Hansen A., Gamage, Peshala T.

“…Accurate knowledge of the airway geometry is needed when constructing physical models of the airway tree and for numerical modeling of flow or sound…”
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Modeling Inspiratory Flow in a Porcine Lung Airway by Gamage, Peshala P T, Khalili, Fardin, Khurshidul Azad, M D, Mansy, Hansen A

“…Inspiratory flow in a multigeneration pig lung airways was numerically studied at a steady inlet flow rate of 3.2 × 10-4 m3/s corresponding to a Reynolds…”
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Seismocardiographic Signal Variability During Regular Breathing and Breath Hold in Healthy Adults by Azad, Md Khurshidul, Gamage, Peshala T, Sandler, Richard H., Raval, Nirav, Mansy, Hansen A.

“…Seismocardiographic signals (SCG) are known to correlate with mechanical cardiac activity and may be used for monitoring patients with cardiovascular disease…”
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Modeling Seismocardiographic Signal using Finite Element Modeling and Medical Image Processing by Gamage, Peshala T., Azad, Md Khurshidul, Sandler, Richard H., Mansy, Hansen A.

“…Seismocardiography (SCG) is the measurement of the chest surface accelerations that are primarily produced by a combination of mechanical activities of the…”
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Hemodynamic alternations following stent deployment and post-dilation in a severely calcified coronary artery: In silico and ex-vivo approaches by Gamage, Peshala T., Dong, Pengfei, Lee, Juhwan, Gharaibeh, Yazan, Zimin, Vladislav N., Dallan, Luis A. P., Bezerra, Hiram G., Wilson, David L., Gu, Linxia

“…In this work, the hemodynamic alterations in a patient-specific, heavily calcified coronary artery following stent deployment and post-dilations are quantified…”
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Hemodynamics of a Bileaflet Mechanical Heart Valve with Different Levels of Dysfunction by Khalili, Fardin, Gamage, Peshala P. T, Mansy, Hansen A

“…Volume 2 Issue 5 - 2017 Heart disease is one of leading causes of mortality worldwide. Healthy heart valves are key for proper heart function. When these…”
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A Coupled CFD-FEA study of the Sound Generated in a Stenosed Artery and Transmitted Through Tissue Layers by Khalili, Fardin, Gamage, Peshala P. T., Meguid, Ibrahim A., Mansy, Hansen A.

“…A new computational approach for simulating the blood flow-induced sound generation and propagation in a stenosed artery with one-sided constriction was…”
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Clustering Seismocardiographic Events using Unsupervised Machine Learning by Gamage, Peshala T., Khurshidul.Azad, Md, Taebi, Amirtaha, Sandler, Richard H., Mansy, Hansen A.

“…Seismocardiographic (SCG) signal morphology is known to be affected by cardio-pulmonary interactions, which introduce variability in the SCG signal. Hence,…”
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Prediction of Turbulent Shear Stresses through Dysfunctional Bileaflet Mechanical Heart Valves using Computational Fluid Dynamics by Khalili, Fardin, Gamage, Peshala T, Mansy, Hansen

“…There are more than 300,000 heart valves implanted annually worldwide with about 50% of them being mechanical valves. The heart valve replacement is often a…”
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Prediction of stent under-expansion in calcified coronary arteries using machine-learning on intravascular optical coherence tomography by Gharaibeh, Yazan, Lee, Juhwan, Zimin, Vladislav N, Kolluru, Chaitanya, Dallan, Luis A. P, Pereira, Gabriel T. R, Vergara-Martel, Armando, Kim, Justin N, Hoori, Ammar, Dong, Pengfei, Gamage, Peshala T, Gu, Linxia, Bezerra, Hiram G, Al-Kindi, Sadeer, Wilson, David L

“…BACKGROUND Careful evaluation of the risk of stent under-expansions before the intervention will aid treatment planning, including the application of a…”
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Numerical Modeling of Pulse Wave Propagation in a Stenosed Artery using Two-Way Coupled Fluid Structure Interaction (FSI) by Gamage, Peshala P. T, Khalili, Fardin, Mansy, Hansen A

“…As the heart beats, it creates fluctuation in blood pressure leading to a pulse wave that propagates by displacing the arterial wall. These waves travel…”
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