The use of prophylactic intravenous immunoglobulin therapy in very low birthweight infants

Y H Chou1, K I Yau

  • 1Division of Neonatology, Chang Gung Children's Hospital, Taipei, Taiwan, R.O.C.

Changgeng Yi Xue Za Zhi
|March 13, 1999
PubMed

Insights

Prophylactic intravenous immunoglobulin (IVIG) therapy in very low birthweight (VLBW) infants increased immunoglobulin G (IgG) levels but did not reduce hospital-acquired infections. Further research is needed to confirm its efficacy in preventing infections in VLBW infants.

Area of Science:

  • Neonatalogy
  • Immunology
  • Infectious Diseases

Background:

  • Nosocomial infections are a significant cause of mortality in premature infants, particularly those with very low birthweight (VLBW).
  • VLBW infants exhibit low serum immunoglobulin G (IgG) levels, increasing susceptibility to early infancy infections.
  • Prophylactic intravenous immunoglobulin (IVIG) administration is explored to elevate IgG levels and mitigate hospital-acquired infections.

Purpose of the Study:

  • To evaluate the efficacy of prophylactic IVIG therapy in VLBW infants.
  • To determine if IVIG administration can maintain higher IgG levels and reduce hospital-acquired infection rates.
  • To assess the impact of IVIG on the timing of the first documented sepsis episode.

Main Methods:

  • A randomized controlled study involving 61 VLBW infants, divided into IVIG (n=31) and control (n=30) groups.
  • IVIG group received 500-1000 mg/kg doses every 2 weeks; control group received saline infusion.
  • Infusions continued until infants reached 1800g or were discharged.

Main Results:

  • No significant differences in perinatal and neonatal characteristics between groups.
  • IVIG group consistently demonstrated higher serum IgG levels.
  • The age of the first documented sepsis was earlier in the control group compared to the IVIG group.

Conclusions:

  • Prophylactic IVIG therapy effectively increases IgG levels in VLBW infants, with sustained elevation for up to 2 months.
  • The study did not observe a significant prophylactic effect of IVIG in reducing hospital-acquired infections.
  • While IVIG impacts IgG levels, its role in preventing infections in VLBW infants requires further investigation.
Abstract

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