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Correlation between newborn gastric aspirate microviscosity and gestational age
Acta Obstetricia Et Gynecologica Scandinavica
|January 1, 1985
Summary
Fluorescence polarization (FP) in amniotic fluid and gastric aspirate correlates with gestational age. Gastric aspirate FP is slightly lower than amniotic fluid FP, offering potential insights into fetal development.
Area of Science:
- Neonatal Medicine
- Biochemistry
- Obstetrics
Background:
- Gestational age assessment is crucial in neonatology.
- Biochemical markers in perinatal fluids can provide developmental insights.
Purpose of the Study:
- To investigate the correlation between fluorescence polarization (FP) values and gestational age.
- To compare FP values in amniotic fluid and newborn gastric aspirate.
Main Methods:
- Collected 59 amniotic fluid and 56 gastric aspirate samples from 28-41 weeks gestation.
- Measured fluorescence polarization (FP) values in both sample types.
- Analyzed correlations between FP values and gestational age.
Main Results:
- Significant positive correlation found between FP and gestational age for both amniotic fluid (r=0.77) and gastric aspirate (r=0.50).
- Regression lines for both sample types were parallel, indicating similar trends.
- Mean FP values in gastric aspirate were approximately 0.05 lower than in amniotic fluid.
Conclusions:
- Fluorescence polarization is a viable marker for estimating gestational age.
- FP analysis of gastric aspirate offers a non-invasive method for assessing fetal maturity.
- Further research may explore the clinical utility of gastric aspirate FP in predicting neonatal outcomes like respiratory distress syndrome (RDS).