ABSTRACT
ABSTRACT Introduction: The shortage of deceased donor kidneys for transplantation has forced the re-evaluation of the limits on donor age acceptability. Thus, marginal donors such as elderly donors have been progressively increasing in recent years for organ transplantation around the world. Aim: In this study, it was aimed to contribute to the elimination of question marks about the using elderly donors for kidney transplantation. Methods: In this retrospective cohort study, prospectively recorded data of patients who underwent kidney transplantation between January 1996 and January 2020 were evaluated. The inclusion criteria for the study were deceased or living donor, donor aged 55 years and older. Results: Of the total 392 kidney transplantation, 64 donors met the study criteria. The mean age of the donors was 59 ± 3.86 years (range, 55-69). Twenty-one (87.5%) out of 24 deceased donors and 1 (2.5%) living related recipients presented DGF. There was no mortality in the living donors. Overall, 1, 5, 10 years of recipient and graft survivals for this study 91%, 88%, 81% and 84%, 82%, 75%, respectively. Same rates for living donor 96%, 96%, 96% and 90%, 88%, 80%, respectively, and for deceased donor 81%, 74%, 70% and 78%, 74%, 67%, respectively. Conclusion: Transplantation from the donors with age 55 and up, might be related to decreased kidney function and graft survival, compared to the transplantations from the standard donors. However, when the long-term graft survival and patient survival is observed, the group of elderly donors cannot be subject to exclusion.
RESUMEN Introducción: La escasez de riñones de donantes fallecidos para trasplante ha obligado a reevaluar los límites de aceptabilidad de la edad de los donantes. Así, los donantes marginales como los donantes de edad avanzada han ido aumentando progresivamente en los últimos años para el trasplante de órganos en todo el mundo. Objetivo: En este estudio se buscó contribuir a la eliminación de interrogantes sobre el uso de donantes ancianos para trasplante renal. Material y métodos: En este estudio de cohorte retrospectivo, se evaluaron datos registrados prospectivamente de pacientes que se sometieron a trasplante renal entre enero de 1996 y enero de 2020. Como criterio de inclusión para el estudio se tomó la edad de los donantes y se incluyeron aquellos donantes mayores de 55 años tanto fallecidos como vivos relacionados. Resultados: Del total de 392 trasplantes renales, 64 donantes cumplieron con los criterios del estudio. La edad media de los donantes fue de 59 ± 3,86 años (rango, 55-69). Veinte y un receptorde 24 donantes fallecidos (87,5%) y solo un receptor de donante vivo relacionado (2,5%)presentaron DGF. No hubo mortalidad en los donantes vivos. En términos generales, la supervivencia del receptor y del injerto a 1, 5 y 10 años en este estudio fue de 91 % - 88 %, 81 % - 84 % y 82 % - 75 %, respectivamente. Se observaron las tasas similares para donante vivo 96%- 96%, 96% - 90% y 88% - 80%, respectivamente, y para donante fallecido 81% - 74%, 70% - 78%y 74% - 67%, respectivamente. Conclusión: El trasplante de riñones provenientes de donantes de 55 años en adelante, podría estar relacionado con la disminución de la función renal y la supervivencia del injerto, en comparación con los trasplantes de los donantes estándar. Sin embargo, cuando se observa la supervivencia del injerto a largo plazo y la supervivencia del paciente, el grupo de donantes de edad avanzada no puede ser objeto de exclusión.
ABSTRACT
Objective:To investigate the clinical effect of liver transplantation from organ donors in elderly patients.Methods:The clinical data of 346 patients who underwent liver transplantation in the general surgery center of Beijing You′an Hospital Affiliated to Capital Medical University from January 2018 to November 2020 were retrospectively analyzed. After screening, they were divided into the elderly donor group (30 cases) aged 60-70 years and the non elderly donor group (60 cases) aged < 60 years. The observation indexes were operation time, anhepatic phase time and operation bleeding. The prognosis indexes were: postoperative ICU stay, length of hospital stay, primary graft nonfunction (PNF), delayed graft function recovery (DGF) and in-hospital mortality. The measurement data in accordance with normal distribution are expressed as ( Mean± SD). The comparison between the two groups was analyzed by t-test. The measurement data that did not conform to the normal distribution were expressed as median (range). Mann Whitney U test was used for comparison between the two groups. The counting data were collected by the computer χ2 test or Fisher′s exact test analysis. Results:The operation time, anhepatic period and blood loss in the elderly group were (444.33±72.44) min, 56.0 (30-170) min, 1 992.1(400-9 000) mL, respectively and the non elderly group were (460.88±91.32) min, 58.45 (35-140) min, 1 885.8(400-12 000) mL, respectively, there were no significant difference between the two groups ( P>0.05); Among the prognostic indicators, the length of stay in ICU, the length of stay in hospital and the in-hospital mortality of the elderly group were 4.9 (2-21) d, 20.4 (3-40) d and 10% respectively, while the length of stay in ICU, the length of stay in hospital and the in-hospital mortality of the non elderly group were 5.3(1-32) d, 22.1(3-61) d and 10% respectively, with no significant difference between the two groups ( P>0.05); No PNF occurred in the two groups, but the incidence rate of DGF in the elderly group was 13.33%(4/30), and the non elderly group was 1.67%(1/60). There was a significant difference between the two groups ( P<0.05). Conclusion:Under strict preoperative donor evaluation and accurate recipient selection, 60-70 years old donors can achieve similar short-term effect as non elderly donors, but the long-term effect needs further observation.