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Anemia in Pediatric Kidney Transplant Recipients-Etiologies and Management

Anne Kouri1, Shanthi Balani1, Sarah Kizilbash1

  • 1Department of Pediatrics, University of Minnesota, Minneapolis, MN, United States.

Frontiers in Pediatrics
|July 7, 2022
PubMed

Insights

Posttransplant anemia (PTA) affects many pediatric kidney transplant patients. Early PTA stems from blood loss and iron deficiency, while late PTA often indicates graft issues, requiring prompt diagnosis and treatment.

Area of Science:

  • Nephrology
  • Pediatric Transplantation
  • Hematology

Background:

  • Posttransplant anemia (PTA) is a frequent complication following pediatric kidney transplantation, with reported prevalence between 22% and 85%.
  • PTA is classified into early (within 6 months) and late (beyond 6 months) forms, each with distinct etiologies.
  • Compared to native chronic kidney disease, PTA is generally more severe in pediatric kidney transplant recipients.

Purpose of the Study:

  • To summarize the current understanding of posttransplant anemia in pediatric kidney transplant recipients.
  • To highlight the causes, classification, and clinical significance of PTA.
  • To emphasize the importance of timely diagnosis and management of PTA.

Main Methods:

  • Review of existing literature on posttransplant anemia in pediatric kidney transplantation.
  • Analysis of etiological factors for early and late PTA.
  • Discussion of treatment strategies and their limitations.

Main Results:

  • Early PTA is commonly linked to surgical blood loss and iron deficiency.
  • Late PTA is primarily associated with graft dysfunction, but also influenced by iron deficiency, drug toxicity, and inflammation.
  • Erythropoiesis-stimulating agents (ESAs) show efficacy but have restricted use in transplant patients.

Conclusions:

  • Effective management of PTA is crucial for preventing adverse long-term outcomes in pediatric transplant recipients.
  • Addressing the underlying causes of PTA is key to successful treatment.
  • Further research may be needed to optimize PTA management in this population.

Keywords:
anemiaerythropoietinhepcidiniron deficiencypediatric kidney transplant

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