Late-onset vitamin K deficiency presenting as haemorrhagic shock and severe multi-system organ failure

Justin M Azar1,2, Richard Lambert3,2, Frank Anthony Maffei3,2

  • 1Janet Weis Children's Hospital, Danville, Pennsylvania, USA justin.azar@gmail.com.

BMJ Case Reports
|August 9, 2024
PubMed

Insights

Caregiver refusal of vitamin K prophylaxis in newborns can lead to severe, life-threatening bleeding disorders. Early intramuscular vitamin K administration is crucial for preventing and treating vitamin K deficiency bleeding in infants.

Area of Science:

  • Pediatrics
  • Hematology
  • Public Health

Background:

  • Vitamin K is essential for synthesizing active vitamin K-dependent procoagulant proteins.
  • Vitamin K deficiency bleeding (VKDB) is a serious condition, especially late-onset VKDB in infants (1 week to 6 months).
  • Exclusively breastfed infants are at higher risk due to low vitamin K levels in breast milk.

Observation:

  • A 6-week-old exclusively breastfed infant male presented with severe hemorrhagic shock and multi-system organ failure.
  • This critical condition was linked to caregiver refusal of routine intramuscular vitamin K at birth.
  • Coagulation studies normalized within 8 hours of administering intramuscular vitamin K.

Findings:

  • A rise in VKDB incidence is observed, correlating with increased caregiver refusal of intramuscular vitamin K.
  • Health organizations worldwide stress the benefits of intramuscular vitamin K and the risks associated with its refusal.
  • Infants, particularly those exclusively breastfed, face elevated risks of VKDB due to insufficient vitamin K intake.

Implications:

  • This case underscores the potentially multi-system, life-threatening severity of preventable VKDB.
  • It highlights the critical importance of universal vitamin K prophylaxis for all newborns.
  • Healthcare providers must counsel caregivers on the risks of vitamin K refusal and the benefits of prophylaxis.

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