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Amniotic fluid volume increase after amnioinfusion of a fixed volume
T H Strong1, G Hetzler, R H Paul
1Department of Obstetrics and Gynecology, University of Southern California School of Medicine, Los Angeles.
American Journal of Obstetrics and Gynecology
|March 1, 1990
Summary
Transabdominal amnioinfusion of 250 ml normal saline effectively increased amniotic fluid volume in women with oligohydramnios. This procedure improved the amniotic fluid index, offering a potential intervention for low amniotic fluid levels during labor.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
- Reproductive Medicine
Background:
- Oligohydramnios, defined by an amniotic fluid index (AFI) ≤ 5 cm, is associated with adverse perinatal outcomes.
- Management options for oligohydramnios during labor are limited.
- Amnioinfusion is a potential intervention to increase amniotic fluid volume.
Purpose of the Study:
- To evaluate the efficacy of transabdominal amnioinfusion with normal saline in increasing amniotic fluid volume in term laboring women with oligohydramnios.
Main Methods:
- A prospective study involving 30 laboring women (≥ 37 weeks' gestation) with oligohydramnios (AFI ≤ 5 cm).
- Transabdominal amnioinfusion of 250 ml normal saline solution was administered.
- Amniotic fluid index (AFI) was measured before and after the amnioinfusion procedure.
Main Results:
- A total of 50 amnioinfusions were performed across the study population.
- The mean amniotic fluid index (AFI) increased by 4.3 ± 1.5 cm following amnioinfusion.
- The intervention demonstrated a statistically significant increase in amniotic fluid volume.
Conclusions:
- Transabdominal amnioinfusion of 250 ml normal saline is an effective method for increasing amniotic fluid volume in women with oligohydramnios.
- This procedure can significantly improve the amniotic fluid index, potentially mitigating risks associated with low amniotic fluid during labor.