Controversy surrounds the suitability of simultaneous liver-kidney transplant (SLKT) when compared with sequential transplant. Pretransplant renal failure is a post-transplant mortality predictor, and studies demonstrate worse functioning and lower survival of the renal graft when compared with kidney transplant alone (KTA).
Background: This study compares renal function in patients with SLKT and those who received the contralateral kidney from the same donor.
Material and methods: From June 2017 to February 2021, 5 SLKTs were performed in our hospital, and contralateral kidney grafts took place in other Andalusian Modification on Diet in Renal Disease-4 hospitals. Renal function was assessed according to glomerular filtration (GF) by the formula (that uses 4 variables: creatinine, age, sex, and race) during different periods of time; and the average increase of GF during 6 months in both groups was compared. Other factors from donors and receptors were also compared.
Results: No statistically significant differences between average GF in both groups were found; however, there were statistically significant differences when we compared the GF increase 6 months after the transplant in both groups of patients, being that increase higher in patients with KTA.
Conclusions: Despite our small sample size, our study found that patients with SLKT have worse functioning of the kidney graft than those with KTA.
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