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Oct 11, 2022Article Details
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Fetal intervention (EXIT procedure) for a rare fetal abnormality in a public sector hospital in South Africa – exploring what is possible
Abstract
Congenital high airway obstruction syndrome (CHAOS) is a rare condition that can be diagnosed antenatally by ultrasound. It is usually lethal without immediate intervention at delivery. A 24-year-old woman was diagnosed with fetal CHAOS at 27 weeks’ gestation. The couple declined termination of pregnancy. A multidisciplinary team including obstetricians, geneticists, paediatric surgeons, neonatologists and anaesthetists was constituted to plan an ex utero intrapartum treatment (EXIT) procedure. After several simulations, a caesarean section was performed at 38 weeks’ gestation under deep inhalational anaesthesia. The fetus was fully delivered with placenta remaining in utero to maintain perfusion. A surgical airway was established via tracheostomy in approximately 5 minutes. The operation was then completed with no maternal complications. The child remains well at 3 years of age. To our knowledge, this is the first EXIT procedure performed for CHAOS in the public sector. This procedure can be lifesaving and is possible with proper planning.
