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. 2015 Jan 20;7(1):e24439.
doi: 10.5812/numonthly.24439. eCollection 2015 Jan.

The impact of acute rejection in kidney transplantation on long-term allograft and patient outcome

Mojgan Jalalzadeh  1 , Nouraddin Mousavinasab  2 , Said Peyrovi  3 , Mohammad Hassan Ghadiani  4
Affiliations

The impact of acute rejection in kidney transplantation on long-term allograft and patient outcome

Mojgan Jalalzadeh et al. Nephrourol Mon. .

Abstract

Background: Patients with end stage renal disease (ESRD) can be sustained with dialysis therapy.

Objectives: In this study, we followed up the effect of early acute and late acute rejections on survival rates of patients' grafts.

Patients and methods: We investigated the timing and frequency of acute rejection episodes related to long-term patient-graft survival in Taleghani hospital between 1990 and 2011. Recipients were divided into three groups as Group-1 (no rejection), Group-2 (early acute rejection [EAR]: less than 3-months) and Group-3 (late acute rejection [LAR]: after 3 months of transplant).

Results: One and five-year patient's survival rates were 94.87% and 93.8%, and graft survival (GS) rates were 92.6% and 81.9%. EAR and LAR occurred in 125 (18.8%) and 77 (11.7%) patients, respectively. Graft and patient survival rates at one and five years were as follows; Group-1 (Graft 96.7% and 94.5% patient: 97.4% and 96.8%), Group-2 (Graft: 72% and 61%, patient: 85.6% and 84%), Group-3 (Graft: 84.4% and 36.8%, patient: 92.2% and 89.4%). Recipient age, type and length of dialysis, number of transplantations and the status of panel reactivity antibody (PRA) had no effect on the type of rejection. LAR was more commonly associated with males (P = 0.001) and donors' age was associated with rejection (P = 0.0002). Five-year GS rate among the three groups was lower in the LAR group (P < 0.0001).

Conclusions: LAR had a negative impact on long-term renal allograft survival and the risk of chronic graft dysfunction increased in patients with a history of LAR.

Keywords: Graft Survival; Kidney Transplantation; Rejection; Survival.

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Figures

Figure 1.
Figure 1.. Kaplan-Meier Patient Survival Curves for Patients Considering Rejection Episodes in Five Years
Figure 2.
Figure 2.. Kaplan-Meier Graft Survival Curves for Patient Considering Rejection Episodes in Five Years
See this image and copyright information in PMC

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