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  • Machine Learning may...

Machine Learning may Identify High-Risk Diabetic Cardiomyopathy Phenotype: Study

Written By : Dr Riya Dave |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 11 Nov 2024 3:15 AM  |  Updated On 11 Nov 2024 5:43 AM
Machine Learning may Identify High-Risk Diabetic Cardiomyopathy Phenotype: Study
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Researchers have found that using a machine learning-based method, it is possible to identify individuals with diabetes who are most at risk for developing heart failure due to diabetic cardiomyopathy (DbCM). DbCM is a recognized stage of subclinical myocardial abnormalities that precede clinical heart failure (HF), at which echocardiographic and cardiac biomarker abnormalities exist but symptoms of heart failure are absent. The recent study was conducted by Segar and colleagues and was published in the European Journal of Heart Failure.

1,199 participants in diabetes without cardiovascular disease who also did not have causes of cardiomyopathy were included from the cohort of Atherosclerosis Risk in Communities (ARIC). Unsupervised hierarchical approach of clustering stratified individuals based on 25 echocardiographic parameters as well as markers of cardiac biomarkers: neurohormonal markers of stress and markers of myocardial injury. Cluster analysis produced three phenogroups that were differentiated with one labeled as high risk for HF, given that it is associated with an increased rate of HF events at the 5-year follow-up. The data were used to train a DeepNN classifier, which was validated subsequently in two cohorts: the Cardiovascular Health Study (CHS) cohort of n=802 and the EHR cohort from the University of Texas Southwestern Medical Center of n=5071.

• Clustering analysis identified three phenogroups among diabetic patients. Phenogroup-3, consisting of 27% of the ARIC cohort, had a significantly higher 5-year HF incidence rate of 12.1% compared with Phenogroups 1 and 2, which had HF incidence rates of 3.1% and 4.6%, respectively. This high-risk phenotype was associated with higher NT-proBNP levels, increased left ventricular mass, larger left atrial size, and poorer diastolic function-all important markers of heightened HF risk.

• The DeepNN classifier had excellent predictive capability and identified 16% of high-risk DbCM cases in the CHS cohort and 29% in the UT Southwestern EHR cohort. Of great interest, the incidence of HF was significantly increased among the high-risk DbCM phenotype individuals identified by the classifier, with hazard ratios of 1.61 (95% CI 1.18–2.19) in the CHS cohort and 1.34 (95% CI 1.08–1.65) in the UT Southwestern EHR cohort.

This study has shown the potential of machine learning-based approaches to identify individuals with diabetes as having a high-risk DbCM phenotype, an opportunity for targeted HF prevention strategies. Researchers believe that predictive models in clinical practice will manage and mitigate the risk of HF in diabetic patients by earlier and more aggressive intervention strategies.

Reference:

Segar, M. W., Usman, M. S., Patel, K. V., Khan, M. S., Butler, J., Manjunath, L., Lam, C. S. P., Verma, S., Willett, D., Kao, D., Januzzi, J. L., & Pandey, A. (2024). Development and validation of a machine learning‐based approach to identify high‐risk diabetic cardiomyopathy phenotype. European Journal of Heart Failure. https://doi.org/10.1002/ejhf.3443
European Journal of Heart FailureDiabetic cardiomyopathyheart failuremachine learningechocardiographycardiac biomarkersNT-proBNPsubclinical cardiomyopathyheart disease prevention
Source : European Journal of Heart Failure
Dr Riya Dave
Dr Riya Dave

    Dr Riya Dave has completed dentistry from Gujarat University in 2022. She is a dentist and accomplished medical and scientific writer known for her commitment to bridging the gap between clinical expertise and accessible healthcare information. She has been actively involved in writing blogs related to health and wellness.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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