Histopathological features of time-zero kidney biopsy are predictive factors for posttransplant anemia.


Journal

Kidney & blood pressure research
ISSN: 1423-0143
Titre abrégé: Kidney Blood Press Res
Pays: Switzerland
ID NLM: 9610505

Informations de publication

Date de publication:
12 Jun 2023
Historique:
received: 26 01 2023
accepted: 25 04 2023
medline: 13 6 2023
pubmed: 13 6 2023
entrez: 12 6 2023
Statut: aheadofprint

Résumé

Posttransplant anemia is a common complication of kidney transplantation, associated with reduced graft survival and higher mortality. We aimed to determine the association of posttransplant anemia with histopathological characteristics of time-zero allograft biopsy and donor clinical characteristics. Methods We conducted a retrospective, observational cohort study that included 587 patients who underwent kidney transplantation in our Centre. Hemoglobin levels were assessed at 6 and 12 months after transplantation, and anemia was defined according to World Health Organization criteria. The kidney allograft time-zero biopsy has been done in all investigated cases. The evaluated histopathological parameters of the kidney allografts included glomerulosclerosis, arteriolar hyalinosis, vascular fibrous intimal thickening, interstitial fibrosis, tubular atrophy, and interstitial fibrosis and tubular atrophy. The Banff Classification of Allograft Pathology criteria were followed to assess the allograft histopathological changes. Results The prevalence of anemia was 31.3% at 6 months after transplantation and 23.5% at 12 months. There was an association between 20-50% glomerulosclerosis and posttransplant anemia in both time points, independently from eGFR. Arteriolar hyalinosis and interstitial fibrosis were identified as independent risk factors for anemia at 6 months after transplantation. Conclusion Histopathological features of time-zero kidney biopsy may be predictors of PTA. Among them, our study recognized 20-50% degree of glomerulosclerosis, AH, and CV as the most significant risk factors for PTA.

Identifiants

pubmed: 37307795
pii: 000530945
doi: 10.1159/000530945
pmc: PMC10413787
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Informations de copyright

The Author(s). Published by S. Karger AG, Basel.

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