Tracheoesophageal fistula
Tracheoesophageal fistula | |
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Specialty | Medical genetics |
A tracheoesophageal fistula (TEF, or TOF; see
Presentation
Tracheoesophageal fistula is suggested in a newborn by copious
Complications
Surgical repair can sometimes result in complications, including:[citation needed]
- Stricture, due to gastric acid erosion of the shortened esophagus
- Leak of contents at the point of anastomosis
- Recurrence of fistula
- Gastro-esophageal reflux disease
- Dysphagia
- Asthma-like symptoms, such as persistent coughing/wheezing
- Recurrent chest infections
- Tracheomalacia
Associations
Neonates with TEF or esophageal atresia are unable to feed properly. Once diagnosed,
Cause
Congenital TEF can arise due to failed fusion of the
A fistula, from the Latin meaning 'a pipe', is an abnormal connection running either between two tubes or between a tube and a surface. In tracheo-esophageal fistula it runs between the trachea and the esophagus. This connection may or may not have a central cavity; if it does, then food within the esophagus may pass into the trachea (and on to the lungs) or alternatively, air in the trachea may cross into the esophagus.[citation needed]
TEF can also occur due to pressure
Diagnosis
TEF should be suspected once the baby fails to swallow after their first feeding during the first day of life. Esophageal atresia can be diagnosed by Ryle nasogastric tube; if the Ryle fails to pass into the stomach, then this indicates esophageal atresia and loss of communication between stomach and esophagus. TEF may be diagnosed by MRI which clarifies the atretic esophagus (if presents) and TEF, as well as its location and anatomy. Gastrograffin contrast swallow should not be used if TEF is suspected, due to its high risk of allergy and severe intractable chest infection.[citation needed]
Classification
Fistulae between the trachea and esophagus in the newborn can be of diverse morphology and anatomical location.[6][7] However, various pediatric surgical publications have attempted a classification system based on the below specified types.[citation needed]
Not all types include both esophageal agenesis and tracheoesophageal fistula, but the most common types do.[citation needed]
Gross | Vogt[8] | Description | EA? | TEF? |
- | Type 1 | Esophageal agenesis. Very rare, and not included in the classification by Gross.[9] | Yes | No |
Type A | Type 2 | Proximal and distal esophageal bud—a normal esophagus with a missing mid-segment. | Yes | No |
Type B | Type 3A | Proximal esophageal termination on the lower trachea with distal esophageal bud. | Yes | Yes |
Type C | Type 3B | Proximal esophageal atresia (esophagus continuous with the mouth ending in a blind loop superior to the sternal angle) with a distal esophagus arising from the lower trachea or carina. (Most common, up to 90% of cases.) | Yes | Yes |
Type D | Type 3C | Proximal esophageal termination on the lower trachea or carina with distal esophagus arising from the carina. | Yes | Yes |
Type E (or H-Type) | - | A variant of type D: if the two segments of esophagus communicate, this is sometimes termed an H-type fistula due to its resemblance to the letter H. TEF without EA. | No | Yes |
The letter codes are usually associated with the system used by Gross,[10] while number codes are usually associated with Vogt.[11]
An additional type, "blind upper segment only" has been described,[12] but this type is not usually included in most classifications. (For the purposes of this discussion, proximal esophagus indicates normal esophageal tissue arising normally from the pharynx, and distal esophagus indicates normal esophageal tissue emptying into the proximal stomach.)
Treatment
It is surgically corrected, with resection of any fistula and anastomosis of any discontinuous segments.[2] Babies often need to spend time in a neonatal intensive care unit for feeding with a stomach feeding tube.[2] Antibiotics, pain relief, a chest drain, oxygen, and ventilation may all be needed.[2]
References
- S2CID 39432557.)
{{cite journal}}
: CS1 maint: multiple names: authors list (link - ^ a b c d "Oesophageal atresia and tracheo-oesophageal fistula". nhs.uk. 2017-10-18. Retrieved 2020-11-13.
- ISBN 0-7216-9197-8.
- PMID 10068713.
- ^ Dr. Lorne H. Blackbourne, Advanced Surgical Recall, 3rd Ed., pg. 206.
- PMID 17498283.
- PMID 15364774.
- ^ "Long-term Complications of Congenital Esophageal Atresia and/or Tracheoesophageal Fistula -- Kovesi and Rubin 126 (3): 915 Figure 1 -- Chest". Retrieved 2008-10-11.
- ISBN 3-540-40738-3.
- ^ Gross, RE. The surgery of infancy and childhood. Philadelphia, WB Saunders; 1953.
- ^ Vogt EC. Congenital esophageal atresia. Am J of Roentgenol. 1929;22:463–465.
- ISBN 0-7216-0187-1.
External links
- Media related to Tracheoesophageal fistula at Wikimedia Commons