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Upper airway obstruction-related sleep apnea in a child with thalassemia intermedia

J Kapelushnik1, H Shalev, H Schulman

  • 1Department of Pediatric Hemato-Oncology, Soroka University Medical Center, Ben-Gurion University of the Negev, Beer-Sheva, Israel.

Journal of Pediatric Hematology/Oncology
|March 7, 2002
PubMed

Insights

Severe obstructive sleep apnea in a child with thalassemia intermedia was caused by extramedullary hematopoiesis. Treatment with hydroxyurea and blood transfusions improved symptoms, suggesting a potential therapeutic approach.

Area of Science:

  • Hematology
  • Pediatrics
  • Sleep Medicine

Background:

  • Obstructive sleep apnea (OSA) commonly results from tonsil/adenoid hypertrophy or neuromuscular disorders.
  • Thalassemia intermedia is a genetic blood disorder requiring ongoing management.

Observation:

  • A pediatric patient with thalassemia intermedia presented with severe obstructive sleep apnea syndrome.
  • Computed tomography revealed nasopharyngeal obstruction due to extramedullary hematopoiesis.

Findings:

  • Extramedullary hematopoiesis, a condition where blood cell production occurs outside bone marrow, was identified as the cause of OSA in this thalassemic child.
  • Treatment involving hydroxyurea and blood transfusions led to symptom resolution within 1.5 months.

Implications:

  • This case highlights extramedullary hematopoiesis as a significant cause of sleep apnea in thalassemic patients.
  • Further research into hydroxyurea and blood transfusion therapy for extramedullary hematopoiesis-induced OSA is warranted.

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