Readmission Outcomes in Kidney Transplant Recipients With and Without Delayed Graft Function.

BACKGROUND

Delayed graft function (DGF) is a common post-transplant event associated with increased resource utilization. As a center with experience in DGF, we aimed to assess differences in readmissions and post-transplant outcomes between patients with and without DGF.

METHODS

This was a retrospective review of deceased donor kidney transplant recipients at Mayo Clinic Arizona between 2015 and 2020. Recipients with at least one early readmission following kidney transplantation were included in the study. Two groups were identified: (1) recipients with DGF who required early readmission and (2) recipients without DGF who required early readmission.

RESULTS

Among recipients with DGF, 43.9% (n = 405) required early readmission compared to 29.1% (n = 179) without DGF (P < .0001). There were no differences in the initial hospital length of stay (P = .08), and most recipients in both groups only required a single readmission (61.7% vs 72.1%, P = .02). Recipients with DGF were more likely to have ≥2 readmissions (P = .02) and a higher total readmission rate (P = .006). Recipients with DGF who required readmission also required more outpatient clinic visits (P = .003). When comparing recipients with and without DGF who required readmission, there were no differences in patient (P = .22) or death-censored (P = .72) graft survival. When comparing patients with and without DGF requiring one versus ≥2 readmissions, there were no differences in patient survival (P = .15), however patients with DGF and ≥2 readmissions had lower death-censored graft survival (P = .001).

CONCLUSIONS

Recipients with DGF are at increased risk of readmission. Transplant center-level changes to reduce readmissions and infections could have an important impact on DGF outcomes.

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Déclaration de conflit d'intérêts

Declaration of competing interest The authors report no proprietary or commercial interest in any product mentioned or concept discussed in this article.