Prenatally Diagnosed Congenital High Airway Obstruction Syndrome: Perinatal Management and Outcome—A Single Tertiary Care Center Experience

Abstract: To report our experience with the management of prenatally diagnosed cases of congenital high airway obstruction syndrome (CHAOS) and the postnatal outcome of those who underwent an ex utero intrapartum treatment (EXIT) procedure. This is a single center, retrospective observational study of prenatally diagnosed CHAOS cases using two-dimensional ultrasound from December 2017 to December 2022 in a tertiary care facility. Of the total nine fetuses prenatally diagnosed with CHAOS, three (33.3%) were associated with multiple congenital anomalies, seven out of nine (77.8%) developed ascites, and one had fetal hydrops. Five (55.6%) underwent medical termination of pregnancy and two were lost to follow-up (22.2%). The remaining two continued pregnancy and required EXIT tracheostomy at the time of delivery (22.2%). Microarray was performed in both which was normal. Postnatally, both infants are tracheostomy dependent with one requiring frequent ventilator support. CHAOS even when isolated generally has poor prognosis without intervention. Performing an EXIT procedure at birth can significantly improve postnatal survival by minimizing hypoxic damage. However, the long-term medical and surgical challenges for survivors remain numerous especially speech disorders, even after lifesaving fetal intervention and surgical correction. Therefore, an accurate prenatal diagnosis is necessary to give the couple an option of continuing pregnancy after realistic counseling regarding the prognosis and postnatal outcome.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Prenatally Diagnosed Congenital High Airway Obstruction Syndrome: Perinatal Management and Outcome—A Single Tertiary Care Center Experience ; volume:11 ; number:01 ; year:2024 ; pages:001-011
Journal of fetal medicine ; 11, Heft 01 (2024), 001-011

Beteiligte Personen und Organisationen
Malhotra, Khushboo
Elayedatt, Rinshi Abid
Mahajan, Rahul Ashok
Krishnan, Vivek

DOI
10.1055/s-0044-1786361
URN
urn:nbn:de:101:1-2407181034509.571671798429
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
14.08.2025, 10:50 MESZ

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Beteiligte

  • Malhotra, Khushboo
  • Elayedatt, Rinshi Abid
  • Mahajan, Rahul Ashok
  • Krishnan, Vivek

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