Cardiac allograft vasculopathy: current review and future research directions

Jordan S Pober1, Sharon Chih2, Jon Kobashigawa3

  • 1Department of Immunobiology, Pathology and Dermatology, Yale School of Medicine, 10 Amistad Street, New Haven CT 06520-8089, USA.

Insights

Cardiac allograft vasculopathy (CAV) is a major cause of heart transplant rejection. This review covers CAV

Area of Science:

  • Cardiovascular Medicine
  • Immunology
  • Transplantation Science

Background:

  • Cardiac allograft vasculopathy (CAV) is a significant immune-mediated vascular complication following heart transplantation.
  • It is the primary cause of late graft loss, impairing blood flow to the transplanted heart.
  • Similar vasculopathies affect other organ transplants and share features with other immune-mediated conditions.

Purpose of the Study:

  • To provide a comprehensive overview of cardiac allograft vasculopathy (CAV).
  • To detail the incidence, diagnosis, and pathological vascular remodeling in CAV.
  • To explore immune and non-immune factors in CAV pathogenesis, current treatments, and future research directions.

Main Methods:

  • Review of existing literature on cardiac allograft vasculopathy.
  • Analysis of pathological characteristics of vascular remodeling.
  • Examination of immunological and non-immunological pathogenic mechanisms.
  • Assessment of current therapeutic strategies and identification of research gaps.

Main Results:

  • CAV involves pathological immune-mediated vascular remodeling in transplanted hearts.
  • Impaired perfusion due to CAV is the leading cause of late graft failure.
  • Understanding CAV requires considering its occurrence in various organ transplants and shared features with other vasculopathies.

Conclusions:

  • CAV is a complex condition with significant implications for long-term heart transplant success.
  • Further research is needed to elucidate its pathogenesis and improve therapeutic interventions.
  • A comprehensive understanding of CAV is crucial for advancing transplantation medicine.