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[Coronary disease in patients after heart transplantation]
1Service d'Anatomie pathologique, Hôpital Pitié-Salpêtrière, Paris.
Insights
Coronary artery disease in heart transplant patients now encompasses accelerated atherosclerosis, inflammatory vascularitis linked to rejection, and atheromatous lesions. Understanding these diverse vascular issues is crucial for patient outcomes.
Area of Science:
- Cardiovascular Surgery
- Transplant Pathology
- Immunology
Context:
- Recent shifts in understanding coronary artery disease (CAD) in heart transplant recipients.
- CAD in this population includes accelerated atherosclerosis, inflammatory vascularitis, and atheromatous lesions.
- These vascular complications have distinct morphologies, significances, and prognoses.
Purpose:
- To discuss the evolving concept of coronary artery disease in heart transplant patients.
- To describe the various vascular lesions, including accelerated atherosclerosis, inflammatory vascularitis, and atheromatous lesions.
- To analyze the morphology, significance, and prognosis of these lesions.
Summary:
- The definition of coronary artery disease in heart transplant patients has expanded.
- It now includes transplant atherosclerosis, inflammatory vascularitis associated with acute rejection, and distal vascularitis independent of rejection.
- Purely atheromatous lesions in large coronary vessels of high-risk patients are also considered part of this spectrum.
Impact:
- Provides a comprehensive overview of coronary vascular complications post-heart transplantation.
- Highlights the heterogeneity of vascular lesions and their association with rejection and patient risk factors.
- Informs clinical management and prognostic assessment for heart transplant recipients.
Abstract:
The thinking about coronary artery disease in heart transplant patients has changed recently. This term includes not only the traditional accelerated delayed atherosclerosis of the transplant, but also proximal inflammatory vascularitis associated with severe acute rejection and distal vascularitis, which is independent of interstitial rejection. This term is also used to describe purely atheromatous lesions of the large coronary vessels which usually occur in high risk patients. The morphology, significance and prognosis of these various vascular lesions are discussed on the basis of material obtained from biopsies, transplantectomies and autopsies in the cardiovascular surgery service of the la Pitié Hospital.