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Importance of clonal hematopoiesis in heart failure

Nicholas W Chavkin1, Kyung-Duk Min1, Kenneth Walsh1

  • 1Berne Cardiovascular Research Center USA; Department of Cardiology USA; Hematovascular Biology Center, University of Virginia, School of Medicine, Charlottesville, VA, 22908 USA.

Trends in Cardiovascular Medicine
|April 23, 2021
PubMed

Insights

Clonal hematopoiesis, driven by aging-related mutations, promotes inflammation and heart failure progression. This review explores the link between these conditions and their impact on cardiac health.

Area of Science:

  • Cardiovascular Medicine
  • Immunology
  • Geriatrics

Background:

  • Heart failure is common in older adults.
  • Inflammation exacerbates heart failure by disrupting tissue repair and promoting pathological remodeling.
  • Aging alters immune cells via clonal hematopoiesis, characterized by mutations in driver genes leading to expanded, pro-inflammatory hematopoietic cells.

Purpose of the Study:

  • To review evidence linking clonal hematopoiesis to heart failure progression.
  • To elucidate the mechanistic connections between clonal hematopoiesis and cardiac inflammation.
  • To suggest future research avenues in this field.

Main Methods:

  • Review of current clinical and experimental studies.
  • Analysis of mechanistic pathways.
  • Synthesis of existing evidence.

Main Results:

  • Clonal hematopoiesis is frequently observed in heart failure patients.
  • Clonal hematopoiesis is associated with poorer prognosis in heart failure.
  • Mutant hematopoietic clones exhibit overactive inflammatory properties.

Conclusions:

  • Clonal hematopoiesis is a significant factor in heart failure progression.
  • Understanding the inflammatory mechanisms driven by clonal hematopoiesis is crucial for managing heart failure in the elderly.
  • Further research is needed to explore therapeutic strategies targeting clonal hematopoiesis in heart failure.

Keywords:
Clonal hematopoiesisHeart failureInflammation

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