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Accelerated atherosclerosis in the transplant recipient: role of hypertension
B Fellström1, U Backman, E Larsson
1Department of Medical Sciences, University Hospital, Uppsala, Sweden.
Insights
Cardiovascular diseases, particularly ischemic heart disease, are the leading cause of death in transplant recipients due to accelerated atherosclerosis. The role of hypertension in transplant arteriosclerosis and chronic rejection requires further investigation.
Area of Science:
- Nephrology
- Cardiology
- Transplantation Immunology
Background:
- Accelerated atherosclerosis is a significant complication in transplant recipients, affecting native and transplanted organs.
- Cardiovascular diseases, especially ischemic heart disease, are the primary cause of mortality in this population.
- Transplant arteriosclerosis, a form of accelerated arteriosclerosis, has complex immunological and non-immunological pathogenic factors.
Purpose of the Study:
- To explore the role of hypertension as an independent risk factor in chronic renal transplant dysfunction and transplant arteriosclerosis.
- To investigate whether intensified hypertension treatment or selective antihypertensive drug use can benefit the progression of chronic rejection.
Main Methods:
- This study reviews existing literature on accelerated atherosclerosis in transplant recipients.
- It examines the pathogenesis of transplant arteriosclerosis, including immunological and non-immunological factors.
- The specific impact of hypertension on chronic renal transplant dysfunction is analyzed.
Main Results:
- Hypertension is identified as a potential independent risk factor for chronic renal transplant dysfunction.
- Transplant arteriosclerosis is characterized by accelerated atherosclerosis in transplanted organs.
- The complex pathogenesis involves both immune and non-immune mechanisms.
Conclusions:
- Hypertension is implicated as a significant factor in transplant arteriosclerosis and chronic renal transplant dysfunction.
- The precise benefit of intensified hypertension management on chronic rejection progression remains an open question.
- Further research is needed to clarify the impact of antihypertensive strategies on long-term transplant outcomes.
Abstract:
An accelerated atherosclerosis may occur in the native arteries of a transplant recipient as well as in arteries of transplanted kidneys or hearts. The dominating cause of patient mortality are cardiovascular diseases, where ischaemic heart disease is predominant. The accelerated form of arteriosclerosis which takes place in transplanted kidneys and hearts, has a complex pathogenesis, which includes both immunological and nonimmunological factors. Hypertension is one such factor which has been claimed to be an independent risk factor of chronic renal transplant dysfunction, usually characterised by transplant arteriosclerosis. Whether a more intense treatment of hypertension or a more selective use of antihypertensive drugs would have a beneficial effect upon the progression rate of chronic rejection is still an open question.