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Pulmonary arterial hypertension (PAH) is a progressive cardiopulmonary disease that leads to increased pulmonary pressures, vascular remodeling, and eventual right ventricular (RV) failure. Pediatric PAH remains understudied due to limited…

Subject-specific modeling is a powerful tool in cardiovascular research, providing insights beyond the reach of current clinical diagnostics. Limitations in available clinical data require the incorporation of uncertainty into models to…

Applications · Statistics 2025-07-16 Amirreza Kachabi , Sofia Altieri Correa , Naomi C. Chesler , Mitchel J. Colebank

The purpose of this research is to develop a system that generates simulated computed tomography pulmonary angiography (CTPA) images clinically for pulmonary embolism diagnoses. Nowadays, CTPA images are the gold standard computerized…

Image and Video Processing · Electrical Eng. & Systems 2022-05-18 Chia-Hung Yang , Yun-Chien Cheng , Chin Kuo

The clinical symptoms of pulmonary embolism (PE) are very diverse and non-specific, which makes it difficult to diagnose. In addition, pulmonary embolism has multiple triggers and is one of the major causes of vascular death. Therefore, if…

Image and Video Processing · Electrical Eng. & Systems 2022-06-06 Chia-Hung Yang , Yun-Chien Cheng , Chin Kuo

Pulmonary hypertension (PH), defined by a mean pulmonary arterial blood pressure above 20 mmHg, is a cardiovascular disease impacting the pulmonary vasculature. PH is accompanied by vascular remodeling, wherein vessels become stiffer, large…

Quantitative Methods · Quantitative Biology 2023-02-03 Megan Chambers , Natalie Johnston , Ian Livengood , Miya Spinelli , Radmila Sazdanovic , Mette S Olufsen

Pulmonary Embolisms (PE) represent a leading cause of cardiovascular death. While medical imaging, through computed tomographic pulmonary angiography (CTPA), represents the gold standard for PE diagnosis, it is still susceptible to…

Image and Video Processing · Electrical Eng. & Systems 2024-05-20 Florin Condrea , Saikiran Rapaka , Lucian Itu , Puneet Sharma , Jonathan Sperl , A Mohamed Ali , Marius Leordeanu

Pulmonary embolism (PE) represents a thrombus ("blood clot"), usually originating from a lower extremity vein, that travels to the blood vessels in the lung, causing vascular obstruction and in some patients, death. This disorder is…

Image and Video Processing · Electrical Eng. & Systems 2021-09-16 Nahid Ul Islam , Shiv Gehlot , Zongwei Zhou , Michael B Gotway , Jianming Liang

This study was conducted to develop a computer-aided detection (CAD) system for triaging patients with pulmonary embolism (PE). The purpose of the system was to reduce the death rate during the waiting period. Computed tomography pulmonary…

Image and Video Processing · Electrical Eng. & Systems 2022-04-08 Ching-Yuan Yu , Ming-Che Chang , Yun-Chien Cheng , Chin Kuo

Computed Tomography Pulmonary Angiography (CTPA) is the reference standard for diagnosing pulmonary vascular diseases such as Pulmonary Embolism (PE) and Chronic Thromboembolic Pulmonary Hypertension (CTEPH). However, its reliance on…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Ying Ming , Yue Lin , Longfei Zhao , Gengwan Li , Zuopeng Tan , Bing Li , Sheng Xie , Wei Song , Qiqi Xu

Aspiration thrombectomy is a treatment option for ischemic stroke due to occlusions in large vessels. During the therapy a device is inserted into the vessel and suction is applied. A new one-dimensional model is introduced that is capable…

Numerical Analysis · Mathematics 2024-03-11 Michael Herty , Niklas Kolbe , Michael Neidlin

Nowadays, pulmonary Computed Tomography Angiography (CTA) is the main tool for detecting Pulmonary Embolism (PE). However, manual interpretation of CTA volume requires a radiologist, which is time-consuming and error-prone due to the…

Image and Video Processing · Electrical Eng. & Systems 2023-12-05 Seyed Hesamoddin Hosseini , Amir Hossein Taherinia , Mahdi Saadatmand

Computational fluid dynamics (CFD) based simulation of coronary blood flow provides valuable hemodynamic markers, such as pressure gradients, for diagnosing coronary artery disease (CAD). However, CFD is computationally expensive,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Rene Lisasi , Michele Esposito , Chen Zhao

Echocardiographers can detect pulmonary hypertension using Doppler echocardiography; however, accurately assessing its progression often proves challenging. Right heart catheterization (RHC), the gold standard for precise evaluation, is…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Jiewen Yang , Taoran Huang , Shangwei Ding , Xiaowei Xu , Qinhua Zhao , Yong Jiang , Jiarong Guo , Bin Pu , Jiexuan Zheng , Caojin Zhang , Hongwen Fei , Xiaomeng Li

Chronic Obstructive Pulmonary Disease (COPD) is a leading cause of morbidity and mortality worldwide. Identifying those at highest risk of deterioration would allow more effective distribution of preventative and surveillance resources.…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 David Chettrit , Orna Bregman Amitai , Itamar Tamir , Amir Bar , Eldad Elnekave

Coronary angioplasty with stent implantation is the most frequently used interventional treatment for coronary artery disease. However, reocclusion within the stent, referred to as in-stent restenosis, occurs in up to 10% of lesions. It is…

Computational Engineering, Finance, and Science · Computer Science 2025-02-19 Janina C. Datz , Ivo Steinbrecher , Christoph Meier , Nora Hagmeyer , Leif-Christopher Engel , Alexander Popp , Martin R. Pfaller , Heribert Schunkert , Wolfgang A. Wall

Isolated post-capillary pulmonary hypertension (Ipc-PH) occurs due to left heart failure, which contributes to 1 out of every 9 deaths in the United States. In some patients, through unknown mechanisms, Ipc-PH transitions to combined…

Tissues and Organs · Quantitative Biology 2021-03-11 Michelle A. Bartolo , M. Umar Qureshi , Mitchel J. Colebank , Naomi C. Chesler , Mette S. Olufsen

Pulmonary hypertension (PH), defined by a mean pulmonary arterial pressure (mPAP) $>$ 20 mmHg, is characterized by increased pulmonary vascular resistance and decreased pulmonary arterial compliance. There are few measurable biomarkers of…

Quantitative Methods · Quantitative Biology 2025-06-06 Amanda L. Colunga , Mitchel J. Colebank , REU Program , Mette S. Olufsen

Purpose: Pulmonary embolism (PE) is a significant cause of mortality in the United States. The objective of this study is to implement deep learning (DL) models using Computed Tomography Pulmonary Angiography (CTPA), clinical data, and PE…

The increasing reliance on Computed Tomography Pulmonary Angiography (CTPA) for Pulmonary Embolism (PE) diagnosis presents challenges and a pressing need for improved diagnostic solutions. The primary objective of this study is to leverage…

Detection and monitoring of patients with pulmonary hypertension, defined as mean blood pressure in the main pulmonary artery above 25 mmHg, requires a combination of imaging and hemodynamic measurements. This study demonstrates how to…

Quantitative Methods · Quantitative Biology 2020-02-21 Megan J. Chambers , Mitchel J. Colebank , M Umar Qureshi , Rachel Clipp , Mette S. Olufsen
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