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Speckle Tracking Echocardiography (STE) is a relatively new method for cardiac function evaluation. In the current study, STE was used to investigate the timing of heart-induced mostly subaudible (i.e., below the frequency limit of human…

Signal Processing · Electrical Eng. & Systems 2018-05-01 Amirtaha Taebi , Richard H. Sandler , Bahram Kakavand , Hansen A. Mansy

Acute myocardial infarction (AMI) is one of the most severe manifestation of coronary artery disease. ST-segment elevation myocardial infarction (STEMI) is the most serious type of AMI. We proposed to develop a machine learning algorithm…

Quantitative Methods · Quantitative Biology 2022-11-29 Ding Tao , Chen Liu , Shihan Wan

Automated extraction of quantitative parameters from Cardiac Magnetic Resonance Images (CMRI) is crucial for the management of patients with myocardial infarct. This work proposes a post-processing procedure to jointly analyze Cine and…

Image and Video Processing · Electrical Eng. & Systems 2023-06-28 Y. Chenoune , C. Pellot-Barakat , C. Constantinides , R. El Berbari , M. Lefort , E. Roullot , E. Mousseaux , F. Frouin

A key factor for assessing the state of the heart after myocardial infarction (MI) is to measure whether the myocardium segment is viable after reperfusion or revascularization therapy. Delayed enhancement-MRI or DE-MRI, which is performed…

In this paper, we propose an enhanced 3D myocardial strain estimation procedure, which combines complementary displacement information from multiple orientations of a single imaging modality (untagged CMR SSFP images). To estimate…

Image and Video Processing · Electrical Eng. & Systems 2020-12-01 Mohamed Abdelkhalek , Heba Aguib , Mohamed Moustafa , Khalil Elkhodary

The left ventricular end-systolic pressure-volume relationship (ESPVr) is a key indicator of cardiac contractility. Despite its established importance, several studies suggested that the mechanical mode of contraction, such as isovolumetric…

Medical Physics · Physics 2024-11-12 Francesco Regazzoni , Corrado Poggesi , Cecilia Ferrantini

Myocardial infarction (MI), commonly known as a heart attack, is a critical health condition caused by restricted blood flow to the heart. Early-stage detection through continuous ECG monitoring is essential to minimize irreversible damage.…

Machine Learning · Computer Science 2024-11-28 Abhijith S , Arjun Rajesh , Mansi Manoj , Sandra Davis Kollannur , Sujitta R , Jerrin Thomas Panachakel

BACKGROUND Careful evaluation of the risk of stent under-expansions before the intervention will aid treatment planning, including the application of a pre-stent plaque modification strategy. OBJECTIVES It remains challenging to achieve a…

Early detection and localization of myocardial infarction (MI) can reduce the severity of cardiac damage through timely treatment interventions. In recent years, deep learning techniques have shown promise for detecting MI in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Nguyen Tuan , Phi Nguyen , Dai Tran , Hung Pham , Quang Nguyen , Thanh Le , Hanh Van , Bach Do , Phuong Tran , Vinh Le , Thuy Nguyen , Long Tran , Hieu Pham

Myocardial infarction (MI) is one of the most prevalent cardiovascular diseases and consequently, a major cause for mortality and morbidity worldwide. Accurate assessment of myocardial tissue viability for post-MI patients is critical for…

Image and Video Processing · Electrical Eng. & Systems 2024-09-20 Franz Thaler , Darko Stern , Gernot Plank , Martin Urschler

Myocardial infarction (MI) is the leading cause of mortality in the world that occurs due to a blockage of the coronary arteries feeding the myocardium. An early diagnosis of MI and its localization can mitigate the extent of myocardial…

Image and Video Processing · Electrical Eng. & Systems 2025-01-27 Aysen Degerli , Serkan Kiranyaz , Tahir Hamid , Rashid Mazhar , Moncef Gabbouj

In this paper, we propose a new deep learning framework for an automatic myocardial infarction evaluation from clinical information and delayed enhancement-MRI (DE-MRI). The proposed framework addresses two tasks. The first task is…

Image and Video Processing · Electrical Eng. & Systems 2020-11-02 Kibrom Berihu Girum , Youssef Skandarani , Raabid Hussain , Alexis Bozorg Grayeli , Gilles Créhange , Alain Lalande

Ejection fraction (EF) is commonly measured by echocardiography, by dividing the volume ejected by the heart (stroke volume) by the volume of the filled heart (end-diastolic volume). Utilizing volume changes of left myocardial segments per…

Medical Physics · Physics 2018-03-09 Mersedeh Karvandi , Saeed Ranjbar

Speckle tracking echocardiography (STE) is the clinical standard for myocardial strain estimation. Despite good performance on global strain (GLS), its accuracy for regional strain remains limited, even though this biomarker is highly…

Early detection of myocardial infarction (MI), a critical condition arising from coronary artery disease (CAD), is vital to prevent further myocardial damage. This study introduces a novel method for early MI detection using a one-class…

Machine Learning · Computer Science 2024-06-28 Muhammad Uzair Zahid , Aysen Degerli , Fahad Sohrab , Serkan Kiranyaz , Tahir Hamid , Rashid Mazhar , Moncef Gabbouj

A comprehensive survey revealed that many patients of Acute Myocardial Infarction reach to the hospital so late to deliver an effective treatment. This leads to poor treatment outcome which increases the mortality rates. Multiple reasons…

Signal Processing · Electrical Eng. & Systems 2018-05-16 Masoud Elhami Asl , Masoomeh Rahimpour , Mahmoud Reza Merati , Amir Hossein Panahi , Kamran Gholami

Cardiac left ventricular (LV) segmentation from short-axis MRI acquired 10 minutes after the injection of a contrast agent (LGE-MRI) is a necessary step in the processing allowing the identification and diagnosis of cardiac diseases such as…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Abdul Qayyum , Alain Lalande , Thomas Decourselle , Thibaut Pommier , Alexandre Cochet , Fabrice Meriaudeau

This research aims to develop a method to reduce the time cost and complexity of balloon expandable stent simulations in cardiovascular stenting procedures for Peripheral Artery Disease. The study uses stereoscopic images to construct a…

Medical Physics · Physics 2025-05-27 Efstathios Stratakos , Vassilis Kostopoulos , Spyridon Psarras

Deformation modeling of cardiac muscle is an important issue in the field of cardiac analysis. Many approaches have been developed to better estimate the cardiac muscle deformation, and to obtain a practical model to be used in diagnostic…

Computational Engineering, Finance, and Science · Computer Science 2015-12-01 Ahmadreza Baghaie , Hamid Abrishami Moghaddam

We study the middle cerebral artery blood flow velocity (MCAfv) in humans using transcranial Doppler ultrasonography (TCD). Scaling properties of time series of the axial flow velocity averaged over a cardiac beat interval may be…

Biological Physics · Physics 2015-06-26 Miroslaw Latka , Marta Glaubic-Latka , Dariusz Latka , Bruce J. West
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