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Anđela Blagojević

7 papers indexed

zenodoConference paper2026-05-20

Differentiating Suspected and Confirmed Heart Failure Using Machine Learning and Refined Vocal Features

Lazar Dašić, Ognjen Pavić, Tijana Geroski, Anđela Blagojević, Andrej Preveden, Aleksandra Milovančev, et al.

Voice characteristics are an emerging, non-invasive biomarker for heart failure. This study develops a machine learning pipeline to differentiate patients with suspected heart failure from those with a confirmed diagnosis using vocal features alone, drawing on 240 patients (50 su…

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zenodoConference paper2026-05-20

Differentiating Suspected and Confirmed Heart Failure Using Machine Learning and Refined Vocal Features

Lazar Dašić, Ognjen Pavić, Tijana Geroski, Anđela Blagojević, Andrej Preveden, Aleksandra Milovančev, et al.

Voice characteristics are an emerging, non-invasive biomarker for heart failure. This study develops a machine learning pipeline to differentiate patients with suspected heart failure from those with a confirmed diagnosis using vocal features alone, drawing on 240 patients (50 su…

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zenodoConference paper2026-05-20

Echocardiography View Classification as an Important Step to Heart Failure Diagnosis: A Case Study of the EchoJEPA Foundation Model

Ognjen Pavić, Lazar Dašić, Tijana Geroski, Anđela Blagojević, Andrej Preveden, Aleksandra Milovančev, et al.

Accurate classification of echocardiographic views (e.g. apical 2- and 4-chamber, parasternal long-axis) is an important prerequisite for reliable ejection-fraction assessment and heart failure diagnosis, but manual classification is time-consuming. This study evaluates the EchoJ…

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zenodoConference paper2025-05-29

Prediction of Different Symptoms Emergence in Heart Failure Patients Using Machine Learning Approaches

Teodora Jeremić, Lazar Dašić, Ognjen Pavić, Anđela Blagojević, Nenad Filipović

Heart failure presents with a wide range of symptoms that affect patients' quality of life. This study uses physical-examination data and blood biomarkers to predict the emergence of thirteen individual HF-related symptoms (e.g. dyspnea, orthopnea, peripheral oedema, pulmonary cr…

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zenodoConference paper2025-05-29

Risk of Death Assessment in Patients Suffering from Heart Failure Using Regression Analysis Techniques

Filip Filipović, Lazar Dašić, Anđela Blagojević, Ognjen Pavić, Nenad Filipović

Heart failure is one of the most life-threatening diseases of the modern era, with high global mortality and morbidity rates, motivating the need for long-term outcome prediction. One established tool is the MAGGIC Risk Calculator for Heart Failure, which predicts 3-5 year mortal…

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zenodoConference paper2025-05-29

Assessment of Morbidity in Patients with Heart Failure Using Traditional Machine Learning Techniques

Đorđe Ilić, Ognjen Pavić, Lazar Dašić, Anđela Blagojević, Nenad Filipović

Morbidity and disease severity in heart failure are commonly assessed using New York Heart Association (NYHA) classes. This study uses non-invasive data — physical examination, symptoms and disease history — to classify patients into four morbidity classes approximati…

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zenodoConference paper2025-05-29

Recognizing Patterns of Emerging Chronic Obstructive Pulmonary Disease in Heart Failure Patients Through the Use of Machine Learning Techniques

Ognjen Pavić, Lazar Dašić, Anđela Blagojević, Tijana Geroski, Nenad Filipović

Heart failure and chronic obstructive pulmonary disease often present with overlapping clinical signs, making differential diagnosis challenging. This work applies machine learning, primarily random forest ensembles trained on heterogeneous clinical data (physical examination, bl…

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