Recipient Sex Differences in Kidney Graft Survival Are Influenced by Donor Sex and Recipient Age

Purpose National registry data are often a suitable basis for examination of transplant outcomes. Using data supplied by the Italian National Transplant Registry, established in 1995, we performed the first nationwide analysis of this kind. Methods A retrospective analysis of 4893 recipients of cadaveric kidneys transplanted in all Italian centers from 1995 through 2000 was done to study 5-year graft survival. The association between some donor and recipient variables and outcomes in renal transplantation was analyzed. Graft survival was 93% at 3 months, 89% at 1 year, 82% at 3 years, and 80% at 5 years after transplantation. Results A significant association between graft survival and donor age (old vs young, relative risk [RR] = 1.62, 95% CI 1.27–2.06) and recipient age (old vs young, RR = 1.25, 95% CI 1.02–1.53). Graft survival was also associated with cold ischemia time (24–36 hours, RR=1.39, 95% CI 1.05–1.85 and >36 hours, RR=1.94, 95% CI 1.32–2.86 vs 0–24 hours) and donor/recipient sex mismatch (female/male vs male/male, RR=1.50, 95% CI 1.17–1.93). Conclusion The quality of kidney transplantation in Italy is satisfactory and is comparable to that in other developed countries. Furthermore, our experience confirms that both donor and recipient factors are major determinants of renal allograft function.

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POS-701 OVER TEN-YEARS KIDNEY GRAFT SURVIVAL DETERMINANTS : A SINGLE CENTER EXPERIENCE

Kidney International Reports ◽

10.1016/j.ekir.2021.03.733 ◽

2021 ◽

Vol 6 (4) ◽

pp. S306

Author(s):

S. AYED ◽

M. Ben salem ◽

M. Hammouda ◽

A. Letaief ◽

M. Ben salah ◽

...

Keyword(s):

Graft Survival ◽

Kidney Graft ◽

Single Center ◽

Single Center Experience

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Impact of Early Pancreatic Graft Loss on Outcome after Simultaneous Pancreas–Kidney Transplantation (SPKT)—A Landmark Analysis

Journal of Clinical Medicine ◽

10.3390/jcm10153237 ◽

2021 ◽

Vol 10 (15) ◽

pp. 3237

Author(s):

Lukas Johannes Lehner ◽

Robert Öllinger ◽

Brigitta Globke ◽

Marcel G. Naik ◽

Klemens Budde ◽

...

Keyword(s):

Kidney Transplantation ◽

Graft Survival ◽

Graft Loss ◽

Type I ◽

Kidney Graft ◽

Landmark Analysis ◽

Pancreas Kidney Transplantation ◽

Simultaneous Pancreas Kidney ◽

Simultaneous Pancreas Kidney Transplantation ◽

Pancreas Graft

(1) Background: Simultaneous pancreas–kidney transplantation (SPKT) is a standard therapeutic option for patients with diabetes mellitus type I and kidney failure. Early pancreas allograft failure is a complication potentially associated with worse outcomes. (2) Methods: We performed a landmark analysis to assess the impact of early pancreas graft loss within 3 months on mortality and kidney graft survival over 10 years. This retrospective single-center study included 114 adult patients who underwent an SPKT between 2005 and 2018. (3) Results: Pancreas graft survival rate was 85.1% at 3 months. The main causes of early pancreas graft loss were thrombosis (6.1%), necrosis (2.6%), and pancreatitis (2.6%). Early pancreas graft loss was not associated with reduced patient survival (p = 0.168) or major adverse cerebral or cardiovascular events over 10 years (p = 0.741) compared to patients with functioning pancreas, after 3 months. Moreover, kidney graft function (p = 0.494) and survival (p = 0.461) were not significantly influenced by early pancreas graft loss. (4) Conclusion: In this study, using the landmark analysis technique, early pancreas graft loss within 3 months did not significantly impact patient or kidney graft survival over 10 years.

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Kidney transplantation in the extremely elderly from extremely aged deceased donors: a kidney for each age

Nephrology Dialysis Transplantation ◽

10.1093/ndt/gfz293 ◽

2020 ◽

Vol 35 (4) ◽

pp. 687-696

Author(s):

Jimena Cabrera ◽

Mario Fernández-Ruiz ◽

Hernando Trujillo ◽

Esther González ◽

María Molina ◽

...

Keyword(s):

Kidney Transplantation ◽

Graft Survival ◽

Cox Regression ◽

Patient Survival ◽

Incidence Rates ◽

Allocation Policy ◽

Recipient Age ◽

Deceased Donors ◽

Stage Renal Disease ◽

End Stage

Abstract Background Advances in life expectancy have led to an increase in the number of elderly people with end-stage renal disease (ESRD). Scarce information is available on the outcomes of kidney transplantation (KT) in extremely elderly patients based on an allocation policy prioritizing donor–recipient age matching. Methods We included recipients ≥75 years that underwent KT from similarly aged deceased donors at our institution between 2002 and 2015. Determinants of death-censored graft and patient survival were assessed by Cox regression. Results We included 138 recipients with a median follow-up of 38.8 months. Median (interquartile range) age of recipients and donors was 77.5 (76.3–79.7) and 77.0 years (74.7–79.0), with 22.5% of donors ≥80 years. Primary graft non-function occurred in 8.0% (11/138) of patients. Cumulative incidence rates for post-transplant infection and biopsy-proven acute rejection (BPAR) were 70.3% (97/138) and 15.2% (21/138), respectively. One- and 5-year patient survival were 82.1 and 60.1%, respectively, whereas the corresponding rates for death-censored graft survival were 95.6 and 93.1%. Infection was the leading cause of death (46.0% of fatal cases). The occurrence of BPAR was associated with lower 1-year patient survival [hazard ratio (HR) = 4.21, 95% confidence interval (CI) 1.64–10.82; P = 0.003]. Diabetic nephropathy was the only factor predicting 5-year death-censored graft survival (HR = 4.82, 95% CI 1.08–21.56; P = 0.040). Conclusions ESRD patients ≥75 years can access KT and remain dialysis free for their remaining lifespan by using grafts from extremely aged deceased donors, yielding encouraging results in terms of recipient and graft survival.

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P1619OUTCOME OF HIGH DONOR-RECIPIENT AGE GAP IN LIVE-DONOR RENAL TRANSPLANTS IN TACROLIMUS ERA

Nephrology Dialysis Transplantation ◽

10.1093/ndt/gfaa143.p1619 ◽

2020 ◽

Vol 35 (Supplement_3) ◽

Author(s):

Hatem Kaies Ibrahim Elsayed Ali ◽

Ahmed Daoud ◽

Karim Soliman ◽

Mahmoud Mohamed ◽

Asam Murtaza

Keyword(s):

Renal Transplant ◽

Acute Rejection ◽

Graft Survival ◽

Age Difference ◽

Live Donor ◽

Renal Transplants ◽

Transplant Patients ◽

Age Gap ◽

Group A ◽

Recipient Age

Abstract Background and Aims High donor-recipient age gap among deceased-donor renal transplant patients leads to worse outcomes. However, the impact of this gap among live-donor renal transplants is unclear. The aim of this study is to assess the effect of this age gap on graft survival and acute rejection rates among renal transplants in tacrolimus era. Method 14390 live-donor renal transplant patients who received a single organ transplant, had no previous renal transplants, discharged on tacrolimus-based immunotherapy and were registered in the Organ Procurement Transplantation Network from January 2000 till June 2017 were included in the study. Donor–recipient age difference was divided into 5 groups; group A (difference <−10,n=4375), group B (difference from -10 to 10,n=7229), group C (difference between 10-20, n=861), group D ( difference between 20–29, n=1406) and group E (difference ≥30 years, n=519). Poisson regression analysis was used to assess effect of age gap on acute rejection rates. Kaplan-Meier survival curves and Cox hazard regression analysis were used to assess this effect on graft survival. Results Regarding graft survival, groups with age difference ≥30 years and between 20-29 years showed a significantly higher risk of graft loss when compared to group with age difference <−10 (HR equals 4.6 and 3.8 respectively). Groups with age difference between 10 to 20 years and between -10 to 10 years showed no significant difference in graft survival when compared to same group (HR equals 1.03 and 0.95 respectively). Groups B,C,D,E were not associated with increased risk of acute rejection episodes when compared to group A (IRR=1.001, 1.001, 1.022, 1.027 respectively). Conclusion Donor-recipient age difference up to 20 years has similar renal transplant outcomes to those receiving kidneys from younger donors and therefore, should not be precluded from paired kidney donation programs. The donor-recipient age difference above 20 years is associated with worse outcomes in terms of graft survival.

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