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Long-term follow-up after orthotopic heart transplantation
B Heublein1, A Haverich, H G Borst
1Division of Cardiology, Hannover Medical School, FRG.
Insights
Long-term cardiac transplant survival depends on managing chronic rejection and infections. Coronary vasculopathy affects 30-40% of patients within three years, highlighting the need for ongoing monitoring and improved rejection control strategies.
Area of Science:
- Cardiology
- Transplantation Medicine
- Immunology
Background:
- Infections and acute rejection are primary causes of early mortality after cardiac transplantation.
- Chronic rejection, including coronary vasculopathy and graft failure, significantly impacts long-term survival and quality of life.
- Immunosuppressive therapy side effects also influence patient outcomes.
Purpose of the Study:
- To present data from a systematic long-term follow-up program for cardiac transplant recipients.
- To emphasize the significance of coronary vasculopathy and explore modern concepts in rejection detection and control.
- To highlight the ongoing challenges of infection prevention and management.
Main Methods:
- Systematic long-term follow-up of cardiac transplant recipients.
- Emphasis on monitoring for coronary vasculopathy.
- Review of modern concepts in rejection detection and control strategies.
Main Results:
- Infections remain a significant source of morbidity and mortality.
- Unspecific graft failure occurs in approximately 8% of patients by three years post-transplant.
- Coronary vasculopathy, a key component of chronic rejection, affects 30-40% of surviving patients within three years.
Conclusions:
- Chronic rejection, particularly coronary vasculopathy, is a critical determinant of long-term cardiac allograft survival and patient quality of life.
- Continued vigilance in infection prevention is crucial, even with current immunosuppressive therapies.
- Effective detection and management strategies for acute and chronic rejection are essential for improving patient outcomes.
Abstract:
While infection and acute rejection continue to be the most frequent cause of early postoperative mortality, chronic rejection including both coronary vasculopathy and unspecific myocardial allograft failure and side effects of immunosuppressive therapy determine late survival and quality of life. Some data are presented of a systematic program for long-term follow-up of cardiac transplant recipients with particular emphasis on coronary vasculopathy and modern concepts in rejection detection and control. Infections remain a notable source of morbidity and mortality. The importance of continued efforts to prevent infection even in the Cyclosporin era has to be emphasized. Tricuspid insufficiency is influenced by the mismatch of recipient and donor heart size. Intraoperative adaptation of the recipient pericardium to the size of the donor heart reduces the magnitude. Unspecific graft failure has been observed to occur at an incidence of 8% three years after transplantation. Three types of rejection can be distinguished after heart replacement, the hyperacute rejection as a rare complication precipitated by preformed recipient antibodies to donor antigens, the acute rejection as a major risk factor for survival in the postoperative first year, and, finally, the chronic rejection which is an important factor for long-term survival and quality of life. Considering the detection and classification of the acute rejection, a semiquantification is advantageous because of its therapeutic relevance. The chronic rejection is characterized by vascular abnormalities, interstitial changes, and myocardial alterations. Of these, the vascular component is the most important clinically. The incidence of this coronary vasculopathy, taking all forms visible angiographically, is about 30-40% of surviving patients three years after transplantation.(ABSTRACT TRUNCATED AT 250 WORDS)