Einstein (Sao Paulo, Brazil) · 2025
Pre-transplant parathyroid hormone serum levels as predictors of kidney function after one year: a retrospective cohort study.
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Soler Lucas de Moraes, Valiatti Mariana Farina, Contti Mariana Moraes, Nga Hong Si, Porto Carolina da Costa Silva, Alencar Júlio Cesar Garcia, Andrade Luís Gustavo Modelli de
Аннотация
OBJECTIVE: This study aimed to evaluate the association between pre-transplant parathyroid hormone levels and renal function 1-year after kidney transplantation.
METHODS: This retrospective cohort study was conducted at a tertiary public university hospital and included all patients who underwent kidney transplantation between May 2012 and September 2020. Patients under 18 years of age and those who received a transplant from a living donor were excluded. The primary outcome was renal function at 1 year, as assessed using the CKD-EPI formula. Univariate and multivariate analyses were performed to identify predictors of graft function at one year clinical and laboratory variables.
RESULTS: During the study period, 1,128 kidney transplants were performed. After applying exclusion criteria, 382 patients from six dialysis centers were included in the final analysis. Pre-transplant parathyroid hormone levels were not associated with renal function in either univariate or multivariate analyses (p=0.968 and p=0.616, respectively). In the multivariate analysis, recipient age (Coefficient: -0.41, 95% CI= -0.63 to -0.20, p<0.001) and Kidney Donor Profile Index (Coefficient: -0.44, 95%CI= -0.54 to -0.33, p<0.001) were significantly associated with graft function at 1 year.
CONCLUSION: Pre-transplant serum levels of intact parathyroid hormone levels were not associated with renal function 1 year after transplantation. Conversely, recipient age and Kidney Donor Profile Index showed significant associations with graft outcomes, highlighting the importance of individualized risk assessment in transplant evaluation.
METHODS: This retrospective cohort study was conducted at a tertiary public university hospital and included all patients who underwent kidney transplantation between May 2012 and September 2020. Patients under 18 years of age and those who received a transplant from a living donor were excluded. The primary outcome was renal function at 1 year, as assessed using the CKD-EPI formula. Univariate and multivariate analyses were performed to identify predictors of graft function at one year clinical and laboratory variables.
RESULTS: During the study period, 1,128 kidney transplants were performed. After applying exclusion criteria, 382 patients from six dialysis centers were included in the final analysis. Pre-transplant parathyroid hormone levels were not associated with renal function in either univariate or multivariate analyses (p=0.968 and p=0.616, respectively). In the multivariate analysis, recipient age (Coefficient: -0.41, 95% CI= -0.63 to -0.20, p<0.001) and Kidney Donor Profile Index (Coefficient: -0.44, 95%CI= -0.54 to -0.33, p<0.001) were significantly associated with graft function at 1 year.
CONCLUSION: Pre-transplant serum levels of intact parathyroid hormone levels were not associated with renal function 1 year after transplantation. Conversely, recipient age and Kidney Donor Profile Index showed significant associations with graft outcomes, highlighting the importance of individualized risk assessment in transplant evaluation.