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[The glucose perfusion test: value in detecting fetal distress]
J Ferrer-Barriendos1, P Llaneza, E Hurtado
1Département de Gynécologie et Obstétrique, Faculté de Médecine, Université d'Oviedo, Espagne.
Summary
Administering intravenous glucose as a fetal stimulation test significantly increased fetal heart rate variability, movements, and accelerations. Non-reactive fetuses after the glucose test showed a high incidence of neonatal depression, highlighting the importance of glucose perinatal surveillance.
Area of Science:
- Obstetrics and Gynecology
- Fetal Medicine
- Perinatal Care
Context:
- Assessing fetal well-being in late pregnancy is crucial for identifying at-risk neonates.
- Traditional fetal surveillance methods like the oxytocin challenge test carry risks such as labor stimulation.
- There is a need for safe and effective methods to evaluate fetal health in high-risk pregnancies.
Purpose:
- To evaluate the efficacy of an intravenous glucose load as a fetal stimulation test in pregnant patients after 34 weeks gestation.
- To determine if fetal non-reactivity to glucose stimulation predicts adverse neonatal outcomes.
- To compare the glucose stimulation test with the oxytocin challenge test regarding safety and efficacy.
Summary:
- An intravenous dose of 0.5 g glucose/kg body weight was administered to 100 pregnant patients after 34 weeks gestation.
- Glucose administration resulted in a significant increase in fetal heart rate variability, fetal movements, and accelerations.
- Fetuses demonstrating a lack of reactivity to the glucose test showed a 55.5% incidence of neonatal depression, indicating potential fetal compromise.
Impact:
- The glucose stimulation test offers a safe alternative to the oxytocin challenge test, as it does not induce labor.
- This method is particularly advantageous in cases of prematurity or previous uterine scars where labor induction is undesirable.
- Glucose perinatal surveillance is vital for identifying fetuses at risk for neonatal depression, enabling timely intervention and improved perinatal outcomes.