Age Disparities in Access to First and Repeat Kidney Transplantation

Yusi Chen, Bryce Churilla, JiYoon B Ahn, Evelien E Quint, Shaifali Sandal, Amrusha Musunuru, Robert A Pol, Melissa D Hladek, Deidra C Crews, Dorry L Segev, Mara McAdams-DeMarco*

*Bijbehorende auteur voor dit werk

Onderzoeksoutputpeer review

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Samenvatting

BACKGROUND: Evidence suggests that older patients are less frequently placed on the waiting list for kidney transplantation (KT) than their younger counterparts. The trends and magnitude of this age disparity in access to first KT and repeat KT (re-KT) remain unclear.

METHODS: Using the US Renal Data System, we identified 2 496 743 adult transplant-naive dialysis patients and 110 338 adult recipients with graft failure between 1995 and 2018. We characterized the secular trends of age disparities and used Cox proportional hazard models to compare the chances of listing and receiving first KT versus re-KT by age (18-64 y versus ≥65 y).

RESULTS: Older transplant-naive dialysis patients were less likely to be listed (adjusted hazard ratio [aHR] = 0.18; 95% confidence interval [CI], 0.17-0.18) and receive first KT (aHR = 0.88; 95% CI, 0.87-0.89) compared with their younger counterparts. Additionally, older patients with graft failure had a lower chance of being listed (aHR = 0.40; 95% CI, 0.38-0.41) and receiving re-KT (aHR = 0.76; 95% CI, 0.72-0.81). The magnitude of the age disparity in being listed for first KT was greater than that for re-KT (Pinteraction < 0.001), and there were no differences in the age disparities in receiving first KT or re-KT (Pinteraction = 0.13). Between 1995 and 2018, the age disparity in listing for first KT reduced significantly (P < 0.001), but the age disparities in re-KT remained the same (P = 0.16).

CONCLUSIONS: Age disparities exist in access to both first KT and re-KT; however, some of this disparity is attenuated among older adults with graft failure. As the proportion of older patients with graft failure rises, a better understanding of factors that preclude their candidacy and identification of appropriate older patients are needed.

Originele taal-2English
Aantal pagina's9
TijdschriftTransplantation
DOI's
StatusE-pub ahead of print - 1-aug.-2023

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