Calcium dysregulation in diabetic cardiomyopathy & heart failure with preserved ejection fraction - Report - MDSpire

Calcium dysregulation in diabetic cardiomyopathy & heart failure with preserved ejection fraction

  • By

  • Anza Ali

  • Vineet M. Sharma

  • Yuriana Aguilar-Sanchez

  • June 23, 2026

  • 0 min

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Clinical Report: Calcium Imbalance in Diabetic Cardiomyopathy and Heart Failure

Overview

This review highlights the complex mechanisms behind diabetic cardiomyopathy (DbCM) and its progression to heart failure with preserved ejection fraction (HFpEF), emphasizing the role of calcium-handling proteins.

Background

Diabetes is a significant risk factor for cardiovascular disease, particularly heart failure. Heart failure with preserved ejection fraction (HFpEF) is the most common form of heart failure in patients with type 2 diabetes (T2D). Understanding the molecular mechanisms, especially the impairment of calcium-handling proteins, is crucial for developing effective treatments for DbCM and HFpEF.

Data Highlights

No numerical data or trial data provided in the source material.

Key Findings

  • Diabetic cardiomyopathy (DbCM) occurs in the absence of significant coronary artery disease and can lead to heart failure.
  • Calcium (Ca2+) mishandling is a critical factor in the development of DbCM and HFpEF.
  • Impairment of cardiac proteins such as SERCA2a and RyR2 contributes to cardiac dysfunction in diabetes.
  • Current treatments do not reverse disease progression in DbCM or HFpEF.

Clinical Implications

The findings underscore the need for targeted therapies that address both diabetes and heart failure at the molecular level. Understanding the role of calcium-handling proteins may inform future treatment strategies for patients with DbCM and HFpEF.

Conclusion

The intersection of diabetes and heart failure, particularly through the lens of calcium handling, presents significant challenges and opportunities for future research and treatment development.

Related Resources & Content

  1. Journal of Cardiac Failure, 2023 -- Coronary Microvascular Dysfunction Is Associated With Early Heart Failure With Preserved Ejection Fraction Elicited by Exercise Hemodynamic Testing
  2. Frontiers in Cardiovascular Medicine, 2023 -- Abnormal active myocardial relaxation by dipyridamole stress test in suspected early-stage heart failure with preserved ejection fraction: a retrospective exploratory analysis
  3. Frontiers in Cardiovascular Medicine, 2023 -- E/e' Ratio Combined with Left Ventricular Mass Index Predicts HFpEF Rehospitalization Risk in Stage 3-4 Chronic Kidney Disease Patients: A Retrospective Cohort Study
  4. The Journal of Clinical Endocrinology & Metabolism, 2023 -- The Relationship Between Epicardial Adipose Tissue and Changes in Cardiac Geometry and Diastolic Function in Individuals with Prediabetic Cardiomyopathy
  5. Heart Failure With Preserved Ejection Fraction: JACC Scientific Statement | JACC, 2023
  6. Semaglutide in Patients with Obesity-Related Heart Failure and Type 2 Diabetes | New England Journal of Medicine, 2024
  7. Metabolic-stress-induced mitochondrial calcium dysregulation: a central hub in diabetic cardiomyopathy pathogenesis and treatment - PubMed, 2023
  8. Heart Failure With Preserved Ejection Fraction: JACC Scientific Statement | JACC
  9. Semaglutide in Patients with Obesity-Related Heart Failure and Type 2 Diabetes | New England Journal of Medicine
  10. Metabolic-stress-induced mitochondrial calcium dysregulation: a central hub in diabetic cardiomyopathy pathogenesis and treatment - PubMed

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