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Updated: Mar 26, 2026
Mouse Models for Graft Arteriosclerosis
Published on: May 14, 2013
Risk factors of cardiac allograft vasculopathy
Bożena Szyguła-Jurkiewicz1, Wioletta Szczurek2, Mariusz Gąsior1
13 Department of Cardiology, SMDZ in Zabrze, Medical University of Silesia, Katowice, Poland.
Insights
Cardiac allograft vasculopathy (CAV) hinders long-term heart transplant survival. This review details CAV
Area of Science:
- Cardiovascular Medicine
- Transplantation Immunology
- Endothelial Biology
Background:
- Cardiac allograft vasculopathy (CAV) is the primary cause of long-term heart transplant graft failure.
- The exact etiopathogenesis of CAV is complex, involving both immunological and non-immunological factors.
- Endothelial cell damage is a key event in CAV development.
Purpose of the Study:
- To provide an updated overview of the etiopathogenesis of cardiac allograft vasculopathy.
- To elucidate the roles of the endothelium and inflammatory processes in CAV.
- To identify potential risk markers for cardiac allograft vasculopathy.
Main Methods:
- Comprehensive literature review of current research on cardiac allograft vasculopathy.
- Analysis of immunological factors contributing to CAV.
- Evaluation of non-immunological factors and traditional cardiovascular risk factors in CAV development.
Main Results:
- Immunological factors include HLA mismatch, alloreactive antibodies, and acute rejection.
- Non-immunological factors comprise donor age, ischemia-reperfusion injury, and cytomegalovirus infection.
- Classical cardiovascular risk factors like diabetes, hypertension, obesity, and hyperlipidemia are significant contributors.
Conclusions:
- Understanding CAV etiopathogenesis is crucial for improving long-term heart transplant outcomes.
- Endothelial dysfunction and inflammation are central to CAV.
- Identifying risk markers can aid in early detection and management of CAV.
Abstract:
Despite advances in prevention and treatment of heart transplant rejection, development of cardiac allograft vasculopathy (CAV) remains the leading factor limiting long-term survival of the graft. Cardiac allograft vasculopathy etiopathogenesis is not fully understood, but a significant role is attributed to endothelial cell damage, caused by immunological and non-immunological mechanisms. Immunological factors include the differences between the recipient's and the donor's HLA systems, the presence of alloreactive antibodies and episodes of acute rejection. Among the non-immunological factors the most important are the age of the donor, ischemia-reperfusion injury and cytomegalovirus infection. The classical cardiovascular risk factors (diabetes, hypertension, obesity and hyperlipidemia) are also important. This study presents an up-to-date overview of current knowledge on the vasculopathy etiopathogenesis and the role played by endothelium and inflammatory processes in CAV, and it also investigates the factors which may serve as risk markers of cardiac allograft vasculopathy.
