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Vitamin K Deficiency Bleeding in Infancy.

Shunsuke Araki1, Akira Shirahata2

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Summary
This summary is machine-generated.

Vitamin K deficiency bleeding (VKDB) in infants is a serious risk, especially with exclusive breastfeeding. Prophylactic vitamin K, particularly oral administration, is crucial for preventing this potentially life-threatening condition in newborns.

Keywords:
PIVKAintracranial hemorrhageintramuscular injectionprophylaxis

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Area of Science:

  • Pediatrics
  • Neonatology
  • Hematology

Background:

  • Vitamin K is vital for synthesizing crucial coagulation factors.
  • Infants are susceptible to vitamin K deficiency due to factors like poor placental transfer, low breast milk content, and immature gut flora.
  • Vitamin K deficiency bleeding (VKDB) presents in early, classic, or late forms, with late-onset VKDB posing significant life-threatening risks.

Purpose of the Study:

  • To emphasize the necessity of vitamin K prophylaxis for all infants.
  • To discuss the association between exclusive breastfeeding, cholestasis, and late-onset VKDB.
  • To evaluate the shift towards oral vitamin K administration over intramuscular injections.

Main Methods:

  • Review of epidemiological studies on vitamin K prophylaxis strategies.
  • Analysis of the effectiveness of oral versus intramuscular vitamin K administration.
  • Assessment of factors influencing the success of oral prophylaxis, including regimen and compliance.

Main Results:

  • Intramuscular vitamin K injections effectively reduce the incidence of all VKDB types.
  • Oral vitamin K administration is increasingly favored for its ease, safety, and cost-effectiveness.
  • Epidemiological data suggest oral vitamin K is effective, but success hinges on specific protocols and parental adherence.

Conclusions:

  • Vitamin K prophylaxis is essential for all newborns to prevent potentially fatal VKDB.
  • Oral vitamin K prophylaxis shows promise but requires optimized regimens and high parental compliance.
  • Further research and national surveillance are needed to determine the optimal oral vitamin K prophylaxis strategy for term and preterm infants.