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Diabetic cardiomyopathy: An expression of stage B heart failure with preserved ejection fraction

Carolyn Sp Lam1

  • 1National Heart Centre Singapore and Duke-National University of Singapore, Singapore carolyn_lam@nuhs.edu.sg.

Diabetes & Vascular Disease Research
|April 25, 2015
PubMed

Insights

Diabetes is a key risk factor for developing heart failure with preserved ejection fraction. Recognizing asymptomatic diabetic cardiomyopathy as stage B heart failure is crucial for early intervention and prevention.

Area of Science:

  • Cardiology
  • Endocrinology
  • Diabetology

Background:

  • Heart failure is a progressive condition with distinct stages (A-D).
  • Diabetes mellitus is a significant risk factor for heart failure, particularly heart failure with preserved ejection fraction (HFpEF).
  • Asymptomatic diabetic cardiomyopathy, characterized by diastolic dysfunction, represents an early (Stage B) manifestation of HFpEF in diabetic patients.

Purpose of the Study:

  • To review the role of diabetes mellitus as a Stage A risk factor for HFpEF.
  • To highlight asymptomatic diabetic cardiomyopathy as a Stage B HFpEF phenotype.
  • To emphasize the need for recognizing and managing this specific diabetic cardiomyopathy for preventive strategies.

Main Methods:

  • Literature review focusing on the relationship between diabetes and heart failure stages.
  • Analysis of data on diabetic cardiomyopathy, left ventricular diastolic dysfunction, and HFpEF.
  • Examination of the progression from asymptomatic (Stage B) to symptomatic (Stage C) HFpEF in diabetic patients.

Main Results:

  • Diabetes mellitus is a primary Stage A risk factor for HFpEF.
  • Diabetic cardiomyopathy with preserved ejection fraction and diastolic dysfunction is identified as a Stage B HFpEF.
  • This Stage B HFpEF is at high risk of progressing to symptomatic Stage C HFpEF.

Conclusions:

  • Diabetic cardiomyopathy with preserved ejection fraction and elevated diastolic stiffness is a distinct Stage B HFpEF manifestation.
  • Better recognition of this unique phenotype is essential.
  • Targeted risk management and preventive strategies are needed for this high-risk group.

Keywords:
Diabetic cardiomyopathydiastolic dysfunctionejection fractionheart failure

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