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Updated: Sep 23, 2026
Robot-Assisted Kidney Transplantation
Published on: July 19, 2021
Impact of cardiac transplantation on kidney function: a single- center experience
M M H El Kossi1, A Ibrahim, T J Lock
1Sheffield Kidney Institute, Northern General Hospital, Sheffield, UK.
Insights
Cardiac transplant patients often develop kidney problems, with ischemic cardiomyopathy being a key risk factor. Managing immunosuppressive drug levels and blood pressure is crucial for preventing chronic renal failure after heart transplants.
Area of Science:
- Nephrology
- Cardiology
- Transplantation Medicine
Background:
- Progressive decline in kidney function is a common complication in long-term cardiac transplant recipients.
- Renal dysfunction significantly impacts the prognosis of cardiac transplantation outcomes.
- Immunosuppressive drugs, particularly cyclosporine (CsA), are major contributors to nephrotoxicity post-transplant.
Purpose of the Study:
- To evaluate risk factors for renal dysfunction in cardiac transplant recipients.
- To identify modifiable risk factors that can mitigate cyclosporine-induced nephrotoxicity.
- To assess the role of underlying cardiac conditions and immunosuppressive drug levels in renal function decline.
Main Methods:
- A case-control study involving 205 cardiac transplant recipients over 10 years.
- Seventeen patients with chronic renal failure (CRF) (cases) and 15 without significant renal dysfunction (controls) were selected.
- Retrospective analysis of risk factors including underlying cardiac diagnosis, CsA trough levels, and systolic blood pressure.
Main Results:
- Ischemic cardiomyopathy was present in 75% of progressors (cases) versus 10% of nonprogressors (controls) (P <.05).
- Higher CsA trough levels were observed in nonprogressors compared to progressors (P =.03).
- Follow-up systolic blood pressure correlated significantly with the rate of serum creatinine increase in progressors (r = -.515, P <.05).
Conclusions:
- Ischemic cardiomyopathy at the time of transplantation is a detrimental factor for renal function post-cardiac transplant.
- CsA trough levels alone may not reliably distinguish between patients who progress to renal insufficiency.
- Further randomized studies are needed to explore CsA dose reduction or replacement in patients with ischemic cardiomyopathy.
Abstract:
Long-term follow-up of cardiac transplant recipients reveals a progressive decline in kidney function in a significant number of patients. This complication is one of the most important prognostic parameters for the outcome of cardiac transplantation. The risk factors implicated in the pathogenesis of renal dysfunction following cardiac transplantation are numerous, with the immunosuppressive drug cyclosporine (CsA) playing a major role. This case-control study was designed to evaluate the role of different risk factors among patients who had been transplanted at the Northern General Hospital Cardiothoracic Centre (CTC) with the possibility of identifying modifiable risk factors that mitigate the nephrotoxicity of CsA. Over a 10-year period, heart transplantation was performed in 205 patients at the CTC. Seventeen patients who experienced chronic renal failure (CRF) and were treated at the outpatient clinic of the Sheffield Kidney Institute were randomly selected from those who had >2-year graft survival and follow-up after cardiac transplantation. As controls, 15 cardiac transplant patients were randomly selected from 32 with comparable survival and follow-up after transplantation and without evidence of significant renal dysfunction (serum creatinine
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