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Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
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Prospective longitudinal follow-up of children with sickle cell disease treated with hydroxyurea since infancy

Ronay Thomas1, Robin Dulman1,2, Angela Lewis1

  • 1Department of Hematology-Oncology, Pediatric Specialists of Virginia, Falls Church, Virginia.

Pediatric Blood & Cancer
|June 4, 2019
PubMed

Insights

Hydroxyurea (HU) is safe and effective for infants with sickle cell disease (SCD). Early HU treatment in infancy significantly reduces SCD complications, making community practice implementation feasible.

Area of Science:

  • Pediatric Hematology
  • Sickle Cell Disease Management
  • Pharmacological Interventions

Background:

  • Hydroxyurea (HU) is known to increase fetal hemoglobin (HgbF) and alleviate symptoms in sickle cell disease (SCD).
  • Existing studies confirm the safety and efficacy of HU in pediatric populations.
  • There is a need to integrate HU initiation into routine community healthcare for infants with SCD.

Purpose of the Study:

  • To evaluate the feasibility and effectiveness of initiating Hydroxyurea (HU) therapy in infants diagnosed with sickle cell disease (SCD).
  • To assess the impact of early HU intervention on disease complications and clinical outcomes in young children with SCD.

Main Methods:

  • A prospective longitudinal study was conducted, tracking 24 infants with HgbSS who began HU treatment before age one.
  • Data on clinical course and outcomes were collected over 95 person-years of follow-up.
  • Outcomes included hemoglobin levels, HgbF percentages, hospitalizations, emergency department visits, and specific SCD complications.

Main Results:

  • Infants receiving HU by age one showed sustained increases in hemoglobin and HgbF levels.
  • A significant reduction in hospitalizations and emergency department visits for SCD-related complications was observed after HU initiation.
  • No cases of acute chest syndrome, abnormal transcranial Doppler findings, or strokes occurred; pain episodes requiring medical attention were eliminated.

Conclusions:

  • Initiating Hydroxyurea (HU) therapy in infancy for children with sickle cell disease (SCD) is a feasible strategy for community practice.
  • Early HU treatment is highly effective in preventing serious disease complications, improving the clinical course of SCD in early childhood.
Abstract

Keywords:
communityhydroxyureaimplementationinfancylongitudinalprospectivesickle cell disease

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