Korean J Obstet Gynecol.  2012 Feb;55(2):115-118. 10.5468/KJOG.2012.55.2.115.

A case of congenital high airway obstruction syndrome caused by complete tracheal obstruction with associated anomalies

Affiliations
  • 1Department of Obstetrics and Gynecology, Haeundae Paik Hospital, University of Inje College of Medicine, Busan, Korea.
  • 2Department of Pathology, Haeundae Paik Hospital, University of Inje College of Medicine, Busan, Korea.
  • 3Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. hswon@amc.seoul.kr

Abstract

Congenital high airway obstruction syndrome (CHAOS) is caused when the upper airway is obstructed or severely narrowed. The prenatal ultrasound findings of CHAOS include large echogenic lungs, inverted diaphragms, dilated airways, and fetal ascites and/or hydrops. Recently, exutero intrapartum treatment (EXIT) procedure or fetoscopic tracheostomy are being widely used for the treatment of CHAOS. However, CHAOS with early presentation of hydrops confers ominous sign even with EXIT procedure. We report a case of CHAOS with hydrops and associated anomalies that was confirmed by autopsy.

Keyword

Congenital high airway obstruction syndrome; Prenatal ultrasound; Fetal hydrops; Autopsy

MeSH Terms

Airway Obstruction
Ascites
Autopsy
Diaphragm
Edema
Hydrops Fetalis
Lung
Tracheostomy
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