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Familial antithrombin III deficiency and Mycoplasma pneumoniae pneumonia

M D Creagh1, I F Roberts, D J Clark

  • 1Department of Haematology, Royal Hallamshire Hospital, Sheffield.

Insights

A young girl

Area of Science:

  • Pediatric Medicine
  • Hematology
  • Infectious Diseases

Background:

  • Mycoplasma pneumoniae pneumonia can trigger serious complications.
  • Familial thrombophilia increases the risk of blood clots.
  • Antithrombin III deficiency is a known inherited bleeding disorder.

Observation:

  • A 10-year-old girl experienced a large femoral vein thrombosis.
  • The thrombosis occurred concurrently with Mycoplasma pneumoniae infection.
  • Type I familial antithrombin III deficiency was later identified.

Findings:

  • Mycoplasma pneumoniae infection can precipitate thrombosis in individuals with underlying thrombophilia.
  • Type I familial antithrombin III deficiency was confirmed as a contributing factor.

Implications:

  • Consider thrombosis prophylaxis in acutely ill patients with infections and known familial thrombophilia.
  • Early recognition of thrombophilia is crucial in pediatric patients with unexplained thrombosis.
  • Integrated management of infection and thrombophilia is essential for preventing severe thrombotic events.

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