Related Experiment Videos
Immunoglobulins IgG, IgM and IgA levels in preterm and small for date newborns
1Department of Pediatrics and Microbiology, Government Medical College, Patiala, Punjab.
Insights
Immunoglobulin (Ig) levels, crucial for immunity, were assessed in preterm and term infants. Lower Ig levels were observed in small for gestational age (SGA) infants, highlighting their increased infection risk.
Area of Science:
- Neonatal immunology
- Pediatric infectious diseases
Background:
- Immunoglobulin (Ig) levels are critical for infant immunity.
- Preterm and small for gestational age (SGA) infants may have altered immune development.
Purpose of the Study:
- To investigate immunoglobulin G (IgG), M, and A levels in preterm and term infants.
- To compare Ig levels between infants of different gestational ages and birth weights.
- To assess the relationship between Ig levels and SGA status.
Main Methods:
- Blood samples were collected from 40 preterm and 40 term infants.
- Infants were categorized by gestational age (preterm vs. term) and growth status (SGA vs. AGA).
- Levels of IgG, IgM, and IgA were quantified using standard laboratory assays.
Main Results:
- IgG levels significantly increased with gestational age, from 922.00 mg/dl at 34 weeks to 1827.33 mg/dl at 40 weeks.
- Mean immunoglobulin levels were consistently lower in SGA infants compared to AGA infants.
- Specifically, IgG levels in SGA preterm infants were 1029.59 mg/dl, increasing to 1262.00 mg/dl in 2 kg infants.
Conclusions:
- Preterm and SGA infants exhibit lower immunoglobulin levels, indicating reduced immune defense.
- Increased vigilance for infections is recommended for preterm and SGA neonates due to their compromised immunity.
- Further research could explore targeted immunotherapies for high-risk neonates.
Abstract:
Forty preterm [14 small for gestational age (SGA), 26 average for gestational age (AGA)] and 40 term (10 SGA and 30 AGA) babies were tested for immunoglobulins (Ig), G, M and A levels. IgG levels increased with gestational age from 922.00 +/- 14.00 mg/dl at 34 weeks to 1827.33 +/- 184.09 mg/dl at 40 weeks. Mean immunoglobulins were lower in SGA babies. IgG was 1029.59 +/- 122.80 mg/dl in SGA preterm babies and increased to 1262.00 +/- 200.0 mg/dl in 2 kg babies. IgM and IgA although increased with higher birth weight but rise was not statistically significant. More care to avoid infections in preterm and SGA babies, with lower immunoglobulin levels and less resistance, is recommended.