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Bleeding manifestations in megaloblastic anemia

Insights

Megaloblastic anemia in children can cause severe bleeding. Prompt treatment with vitamin B12 or folate effectively restored hemostasis within 24 hours.

Area of Science:

  • Pediatric Hematology
  • Nutritional Deficiencies
  • Hemostasis

Background:

  • Megaloblastic anemia is a serious condition in children, often presenting with significant bleeding risks.
  • Hemorrhagic diathesis complicates megaloblastic anemia, leading to life-threatening hemorrhages.
  • Low platelet counts and severe anemia are common in affected pediatric patients.

Purpose of the Study:

  • To report on a cohort of children diagnosed with megaloblastic anemia and associated hemorrhagic diathesis.
  • To highlight the clinical presentation, including severity of anemia and thrombocytopenia.
  • To evaluate the therapeutic response and time to hemostasis.

Main Methods:

  • Retrospective case series of ten pediatric patients.
  • Clinical data collection including presenting hemoglobin, platelet counts, and bleeding severity.
  • Assessment of response to specific vitamin therapies (B12/folate).

Main Results:

  • Ten children presented with megaloblastic anemia and hemorrhagic diathesis.
  • Four children experienced life-threatening bleeds requiring emergency transfusion.
  • Seven patients had severe thrombocytopenia (<30,000/cu mm), and nine had profound anemia (Hb ≤5.2 g/dl).
  • Vitamin B12 deficiency was the more common etiology.
  • Excellent therapeutic response observed, with hemostasis achieved within 12-24 hours of treatment initiation.

Conclusions:

  • Megaloblastic anemia poses a significant risk of severe hemorrhage in children.
  • Early diagnosis and prompt treatment are crucial for managing bleeding complications.
  • Vitamin B12 or folate repletion rapidly corrects hemostatic defects in this pediatric population.

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