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Risk factors for delayed graft function in cardiac death donor renal transplants
Ming-Jie Shao1, Qi-Fa Ye, Ying-Zi Ming
1Research Center of Chinese Health Ministry of Transplantation Medicine Engineering and Technology, Third Affiliated Hospital, Central South University, Changsha, Hunan 410013, China.
Insights
Delayed graft function (DGF) after kidney transplants is linked to donor factors like BMI and ischemia times, and recipient factors such as dialysis duration and HLA mismatch. Identifying these risks can improve transplant outcomes.
Area of Science:
- Nephrology
- Transplantation Immunology
- Organ Donation
Background:
- Delayed graft function (DGF) is a significant complication in kidney transplantation, particularly from organ donation after cardiac death (DCD) donors.
- Understanding center-specific risk factors is crucial for mitigating DGF incidence and enhancing transplant success rates.
Purpose of the Study:
- To identify and define the specific risk factors associated with DGF following renal transplantation from DCD donors.
Main Methods:
- A cohort of 56 recipients of DCD kidneys was analyzed between March 2010 and June 2012.
- Subjects were categorized into immediate graft function (IGF) and DGF groups.
- Transplantation factors (donor and recipient) and early post-transplant outcomes were compared between groups.
Main Results:
- Univariate analysis revealed significant associations between DGF and recipient preoperative dialysis time, dialysis type, human leucocyte antigen (HLA) mismatch, and donor factors including cause of brain death, body mass index (BMI), preoperative infection, serum creatinine, norepinephrine use, cardiopulmonary resuscitation (CPR), warm ischemia time (WIT), and cold ischemia time (CIT).
- Recipients experiencing DGF exhibited longer hospital stays and higher postoperative serum creatinine levels.
Conclusions:
- Multiple factors contribute to DGF in kidney transplantation.
- These identified risk factors negatively impact the early post-transplant period, underscoring the need for targeted interventions.
Background:
Delayed graft function (DGF) is common in kidney transplants from organ donation after cardiac death (DCD) donors. It is associated with various factors. Determination of center-specific risk factors may help to reduce the incidence of DGF and improve the transplantation results. The aim of this study is to define risk factors of DGF after renal transplantation.
Methods:
From March 2010 to June 2012, 56 cases of recipients who received DCD kidneys were selected. The subjects were divided into two groups: immediate graft function (IGF) and DGF groups. Transplantation factors of donors and recipients as well as early post-transplant results of recipients were compared between the two groups.
Results:
On univariate analysis, preoperative dialysis time of recipients (P < 0.001), type of dialysis (P = 0.039), human leucocyte antigen (HLA) mismatch sites (P < 0.001), the cause of brain death (P = 0.027), body mass index (BMI) of donors (P < 0.001), preoperative infection (P = 0.002), preoperative serum creatinine of donors (P < 0.001), norepinephrine used in donors (P < 0.001), cardiopulmonary resuscitation (CPR) of donors (P < 0.001), warm ischemia time (WIT) (P < 0.001) and cold ischemia time (CIT) (P < 0.001) showed significant differences. Recipients who experienced DGF had a longer hospital stay, and higher level of postoperative serum creatinine.
Conclusion:
Multiple risk factors are associated with DGF, which had deleterious effects on the early post-transplant period.
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