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1.
Crit Pathw Cardiol ; 2024 Mar 06.
Artigo em Inglês | MEDLINE | ID: mdl-38446088

RESUMO

Aortic dissection (AD) is a potentially fatal cardiovascular issue that needs to be diagnosed and treated very away. While early detection is essential for bettering patient outcomes, there are substantial obstacles with the diagnostic techniques used today. Promising pathways for improving AD prognosis evaluation and early detection are presented by recent developments in serum biomarkers. The most recent research on serum biomarkers for AD is reviewed here, with an emphasis on the prognostic and diagnostic utility of these indicators. A number of biomarkers, including as matrix metalloproteinases, soluble elastin fragments, smooth muscle myosin heavy chain, and D-dimer, have been identified as putative markers of AD. These indicators are indicative of multiple pathophysiological mechanisms associated with AD, including inflammation, extracellular matrix remodeling, and vascular damage. Research has indicated that they are useful in differentiating AD from other acute cardiovascular diseases, facilitating prompt diagnosis and risk assessment.

2.
J Electrocardiol ; 83: 30-40, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38301492

RESUMO

Electrocardiography (ECG), improved by artificial intelligence (AI), has become a potential technique for the precise diagnosis and treatment of cardiovascular disorders. The conventional ECG is a frequently used, inexpensive, and easily accessible test that offers important information about the physiological and anatomical state of the heart. However, the ECG can be interpreted differently by humans depending on the interpreter's level of training and experience, which could make diagnosis more difficult. Using AI, especially deep learning convolutional neural networks (CNNs), to look at single, continuous, and intermittent ECG leads that has led to fully automated AI models that can interpret the ECG like a human, possibly more accurately and consistently. These AI algorithms are effective non-invasive biomarkers for cardiovascular illnesses because they can identify subtle patterns and signals in the ECG that may not be readily apparent to human interpreters. The use of AI in ECG analysis has several benefits, including the quick and precise detection of problems like arrhythmias, silent cardiac illnesses, and left ventricular failure. It has the potential to help doctors with interpretation, diagnosis, risk assessment, and illness management. Aside from that, AI-enhanced ECGs have been demonstrated to boost the identification of heart failure and other cardiovascular disorders, particularly in emergency department settings, allowing for quicker and more precise treatment options. The use of AI in cardiology, however, has several limitations and obstacles, despite its potential. The effective implementation of AI-powered ECG analysis is limited by issues such as systematic bias. Biases based on age, gender, and race result from unbalanced datasets. A model's performance is impacted when diverse demographics are inadequately represented. Potentially disregarded age-related ECG variations may result from skewed age data in training sets. ECG patterns are affected by physiological differences between the sexes; a dataset that is inclined toward one sex may compromise the accuracy of the others. Genetic variations influence ECG readings, so racial diversity in datasets is significant. Furthermore, issues such as inadequate generalization, regulatory barriers, and interpretability concerns contribute to deployment difficulties. The lack of robustness in models when applied to disparate populations frequently hinders their practical applicability. The exhaustive validation required by regulatory requirements causes a delay in deployment. Difficult models that are not interpretable erode the confidence of clinicians. Diverse dataset curation, bias mitigation strategies, continuous validation across populations, and collaborative efforts for regulatory approval are essential for the successful deployment of AI ECG in clinical settings and must be undertaken to address these issues. To guarantee a safe and successful deployment in clinical practice, the use of AI in cardiology must be done with a thorough understanding of the algorithms and their limits. In summary, AI-enhanced electrocardiography has enormous potential to improve the management of cardiovascular illness by delivering precise and timely diagnostic insights, aiding clinicians, and enhancing patient outcomes. Further study and development are required to fully realize AI's promise for improving cardiology practices and patient care as technology continues to advance.


Assuntos
Doenças Cardiovasculares , Insuficiência Cardíaca , Humanos , Doenças Cardiovasculares/diagnóstico , Doenças Cardiovasculares/terapia , Eletrocardiografia , Inteligência Artificial , Coração
3.
Preprint em Inglês | bioRxiv | ID: ppbiorxiv-201905

RESUMO

With the exponential spread of the COVID-19 pandemic across the world within the twelve months, SARS-CoV-2 strains are continuously trying to adapt themselves in the host environment by random mutations. While doing so, some variants with evolutionary advantages such as better human to human transmissibility potential might get naturally selected. This short communication demonstrates how the mutation frequency patterns are evolving in 2,457 SAR-CoV-2 strains isolated from COVID-19 patients across diverse Indian states. We have identified 19 such variants showing contrasting mutational probabilities in the span of seven months. Out of these, 14 variants are showing increasing mutational probabilities suggesting their propagation with time due to their unexplored evolutionary advantages. Whereas mutational probabilities of five variants have significantly decreased in June onwards as compared to March/April, suggesting their termination with time. Further in-depth investigation of these identified variants will provide valuable knowledge about the evolution, infection strategies, transmission rates, and epidemiology of SARS-CoV-2.

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