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Oesophageal atresia.

Lewis Spitz1

  • 1Department of Paediatric Surgery, Institute of Child Health, University College, London, UK. lspitz@ich.ucl.ac.uk

Orphanet Journal of Rare Diseases
|May 15, 2007
PubMed
Summary
This summary is machine-generated.

Oesophageal atresia (OA) is a congenital condition where the esophagus doesn't fully form. Early diagnosis and surgical repair offer high survival rates, especially for infants over 1500g without cardiac defects.

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Area of Science:

  • Pediatric Surgery
  • Congenital Anomalies
  • Gastroenterology

Background:

  • Oesophageal atresia (OA) is a congenital defect characterized by an interrupted esophagus, often with a tracheoesophageal fistula.
  • It affects 1 in 2500 live births and is frequently associated with VACTERL anomalies.
  • The etiology is largely unknown, with potential links to gene expression defects like Sonic hedgehog (Shh).

Purpose of the Study:

  • To outline the diagnosis, management, and survival outcomes of congenital oesophageal atresia.
  • To highlight key diagnostic indicators and treatment strategies for OA.
  • To identify prognostic factors influencing infant survival rates.

Main Methods:

  • Prenatal diagnosis via ultrasound identifying a small or absent stomach bubble and polyhydramnios.

Related Experiment Videos

  • Postnatal diagnosis using a nasogastric tube and X-ray to confirm esophageal discontinuity.
  • Surgical management involving fistula disconnection, tracheal defect closure, and esophageal anastomosis.

    • Main Results:

    • Survival is strongly correlated with birth weight and absence of major cardiac defects.
    • Infants >1500g without cardiac issues have near 100% survival.
    • Risk factors like low birth weight and cardiac defects significantly reduce survival to 30-50%.

    Conclusions:

    • Prompt diagnosis and surgical intervention are crucial for oesophageal atresia management.
    • Prognosis is significantly influenced by birth weight and associated cardiac anomalies.
    • While most cases require primary repair, delayed repair or esophageal replacement are options for complex cases.