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Updated: Sep 23, 2025

Tail Vein Transection Bleeding Model in Fully Anesthetized Hemophilia A Mice
Published on: September 30, 2021
No child should suffer from vitamin K deficiency-induced bleeding disorders
Masazumi Miyahara1, Kyoko Osaki1
1Department of Pediatrics Okanami General Hospital Iga Japan.
Abstract:
We encountered an 11-day-old male neonate with vitamin K deficiency-induced intracranial hemorrhage, despite receiving oral vitamin K2 (menaquinone-4) prophylaxis according to Japanese guidelines. This case suggests that the current vitamin K deficiency-bleeding prophylaxis programs cannot prevent bleeding completely. Better prophylaxis programs using both intramuscular and oral administration should be considered.
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