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Results of cardiac operations in five kidney transplant patients
S Christiansen1, F H Splittgerber, G Marggraf
1Department of Thoracic and Cardiovascular Surgery, Essen University Medical School, Germany.
Insights
Cardiac operations in renal transplant recipients show excellent short- and long-term results with 0% mortality. These procedures improve cardiac symptoms and do not negatively impact kidney function, demonstrating safety and efficacy.
Area of Science:
- Cardiology
- Nephrology
- Transplantation Surgery
Background:
- Limited literature exists on cardiac operations in renal transplant patients.
- Cardiac complications can arise in patients with end-stage renal disease and after transplantation.
Purpose of the Study:
- To evaluate the safety and outcomes of cardiac surgical procedures in patients who have undergone renal transplantation.
- To assess the impact of cardiac operations on renal graft function and overall patient well-being.
Main Methods:
- Retrospective analysis of 5 renal transplant patients who underwent cardiac surgery between 1993 and 1994.
- Procedures included coronary artery bypass grafting (CABG) and aortic valve replacement.
- Pre-, peri-, and postoperative data were analyzed, with long-term follow-up via physician questionnaires.
Main Results:
- Excellent short- and long-term outcomes were observed, with 0% mortality.
- All patients improved cardiac symptoms, achieving NYHA class II or better at 8-23 months post-surgery.
- No deterioration of transplanted kidney function was noted; one patient's need for dialysis ceased postoperatively.
Conclusions:
- Renal transplant patients can safely undergo cardiac operations with favorable results.
- Cardiac surgery can lead to significant improvement in cardiac status without compromising renal graft viability.
- This study supports the consideration of cardiac interventions in selected renal transplant recipients.
Abstract:
Because of the paucity of literature reports about cardiac operations in renal-transplant patients we performed a retrospective study encompassing all such patients operated upon in our institution in 1993 and 1994. During this time 5 renal transplant patients underwent cardiac surgical procedures between 1 and 9 years after transplantation: in 4 patients coronary artery bypass grafting (CABG) was carried out and in one patient aortic valve replacement. We analyzed pre-, peri-, and postoperative data. Late results were obtained by questionnaire from the patients' primary physicians. Short- and long-term results were excellent. Mortality was 0%. At late follow-up (8-23 months) all patients were in NYHA class II or better. Postoperatively all patients experienced a clear improvement of their cardiac symptoms. None of the transplanted kidneys deteriorated. One patient who had to undergo intermittent hemodialysis preoperatively improved so much that she did not require any dialysis postoperatively. Although the total number of patients in this study is limited we believe it can be stated that renal transplant patients can undergo cardiac operations with generally good results.