Amnioinfusion
Description
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Amnioinfusion is the replacement of amniotic fluid volume through intrauterine infusion.
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It involves the use of an isotonic solution, such as normal saline or lactated Ringer’s solution, delivered through a pressure catheter.
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The procedure is indicated when umbilical cord compression is a factor or when repetitive variable decelerations aren’t alleviated by maternal position change and oxygen administration.
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Amnioinfusion may also be done to dilute meconium before aspiration occurs.
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It helps to relieve umbilical cord compression in such conditions as oligohydramnios associated with postmaturity, intrauterine growth retardation, and premature rupture of membranes.
Equipment
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Isotonic solution such as normal saline or lactated Ringer’s solution
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Clean gloves
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Intrauterine pressure catheter
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