Micro-albuminuria in Ugandan children with sickle cell anaemia: a cross-sectional study

M Mawanda1, J M Ssenkusu, A Odiit

  • 1Department of Paediatrics, St Mary's Hospital Lacor, Gulu, Uganda. Mawandamp@yahoo.co.uk

Insights

Micro-albuminuria is common in children with sickle cell anaemia (SCA), affecting 28.2%. Older age, more transfusions, and urine nitrites increase risk, while higher hemoglobin levels are protective.

Area of Science:

  • Nephrology
  • Pediatrics
  • Hematology

Background:

  • Sickle cell anaemia (SCA) causes progressive kidney damage due to repeated vaso-occlusive events in the renal cortex.
  • Micro-albuminuria, a marker of early kidney damage, arises from compensatory mechanisms to maintain glomerular filtration rate in SCA patients.

Purpose of the Study:

  • To determine the prevalence of micro-albuminuria in children diagnosed with SCA.
  • To identify factors associated with the development of micro-albuminuria in this pediatric population.

Main Methods:

  • A cross-sectional study involving 305 children aged 2-18 years with SCA was conducted.
  • Urine and serum analyses were performed to assess micro-albuminuria, creatinine, and albumin levels.
  • Logistic regression analysis identified factors associated with micro-albuminuria.

Main Results:

  • The prevalence of micro-albuminuria was 28.2% among the studied children with SCA.
  • Multivariate analysis revealed that increasing age, a higher number of blood transfusions, and the presence of urine nitrites were significantly associated with micro-albuminuria.
  • Conversely, higher hemoglobin levels demonstrated a protective effect against micro-albuminuria.

Conclusions:

  • Micro-albuminuria is prevalent in children with SCA, indicating a need for early detection and management.
  • Screening for micro-albuminuria is recommended for SCA patients over five years of age.
  • Close monitoring of SCA patients with lower hemoglobin levels is crucial due to its association with micro-albuminuria.
Abstract

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