Target controlled infusion of remifentanil for fetal analgesia and immobilization during the ex utero intrapartum treatment procedure for Congenital High Airway Obstruction (CHAOS)
The objective of this case report is to highlight the use of maternal Target Controlled Infusion (TCI) of Remifentanil to provide immobilization and analgesia to the fetal during Ex utero Intrapartum (EXIT) procedure. A 37 weeks of gestation fetal was diagnosed with Congenital High Airway Obstruct...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
2019
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| Subjects: | |
| Online Access: | http://eprints.unisza.edu.my/6420/1/FH02-FP-19-29423.pdf http://eprints.unisza.edu.my/6420/ |
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| Summary: | The objective of this case report is to highlight the use of maternal Target Controlled Infusion (TCI) of
Remifentanil to provide immobilization and analgesia to the fetal during Ex utero Intrapartum (EXIT)
procedure. A 37 weeks of gestation fetal was diagnosed with Congenital High Airway Obstruction Syndrome
(CHAOS). EXIT procedure was preferred as the most favourable approach of management. With the concurrent
use of general anaesthesia, TCI Remifentanil was infused to the mother with the aim to provide fetal
immobilization and analgesia during surgical tracheostomy on the fetal. Tracheostomy was successfully done
with excellent fetal immobilization without the requirement of other medications or muscle relaxant
administered to the fetal circulation. In performing a delicate fetal airway surgery, the anaesthesiologist must
achieve loss of consciousness, adequate analgesia and more importantly immobility to the fetal with a
significant uterine relaxation while safely anaesthetizing the mother. There are several approaches of achieving
fetal analgesia and immobility during EXIT procedure. These include the direct administration of anaesthetic
drugs to the fetal blood circulation via intravenous or intramuscular route, intra-amniotic delivery or delivery of
the anaesthetic drugs directly through maternal blood circulation in addition to inhalational anaesthetic agents.
In our case, fetal analgesia and immobility was achieved through maternal blood circulation using TCI of
Remifentanil and coupled with inhalational agent of sevoflurane. |
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