Is amniotic fluid embolism caused by vaginal delivery or cesarean section?
Apr 23, 2023
Source: Cainiu Health
Dr. Lv Aiming
Introduction
Amniotic fluid embolism may occur following either vaginal delivery or cesarean section. It refers to the entry of amniotic fluid into the maternal bloodstream during childbirth, causing mechanical obstruction. If the uterine contractions are particularly strong during labor, leading to increased intrauterine pressure, and this pressure exceeds venous pressure, it may result in local vascular rupture, allowing amniotic fluid to enter the circulation through the damaged sites.
Amniotic fluid embolism may occur following vaginal delivery or cesarean section, as detailed below:
1. Vaginal Delivery
Amniotic fluid embolism refers to the entry of amniotic fluid into the maternal bloodstream during labor, causing mechanical blockage, increased intravascular pressure, and potentially leading to organ failure. Vaginal delivery involves the baby being delivered through the mother's birth canal. If uterine contractions are particularly strong during labor, internal pressure can rise significantly. Once this pressure exceeds venous pressure, it may cause local blood vessels to rupture, allowing amniotic fluid to enter the maternal circulation through these breaches, resulting in amniotic fluid embolism.
2. Cesarean Section
In cesarean delivery, obvious wounds are present in the abdominal wall and uterine area, with accompanying vascular damage. If surgical procedures are improperly performed, differences in internal and external pressure gradients may also facilitate the entry of amniotic fluid into the maternal bloodstream, leading to this condition.
Immediate respiratory support for the mother is recommended to alleviate hypoxia. Treatment should be tailored according to the location and severity of the embolism.
