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Patent Ductus Arteriosus

Reviewed 06/2018
 


BASICS

DESCRIPTION

  • The ductus arteriosus (DA) is a muscular vessel that connects the pulmonary artery with the aortic arch during the embryonic period. It allows the shunt of blood from the pulmonary c...

DIAGNOSIS

The symptoms and signs vary greatly among patients, depending on the age, size of the shunt, as well as the direction and ratio of flow. 

HISTORY

  • Neonates

    • More common in premature newborns, and...

TREATMENT

GENERAL MEASURES

In most premature newborns with isolated PDA, it will resolve spontaneously in the 1st week of life. 

MEDICATION

Pharmacologic therapy is used strictly in the premature infant,...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

The ACC/AHA guidelines recommend the following (3)[C]: 
  • Patients can be discharged from follow-up once complete closure of the ductus is documented by transthoraci...

REFERENCES

1
Coceani F, Baragatti B. Mechanisms for ductus arteriosus closure. Semin Perinatol.  2012;36(2):92–97.  [View Abstract]
2
Forsey JT, Elmasry OA, Martin RP. Patent arterial duct. Orphanet...

ADDITIONAL READING

Nemerofsky SL, Parravicini E, Bateman D, et al. The ductus arteriosus rarely requires treatment in infants >1000 grams. Am J Perinatol.  2008;25(10):661–666. 

CODES

ICD10

Q25.0 Patent ductus arteriosus 

ICD9

747.0 Patent ductus arteriosus 

SNOMED

  • 83330001 Patent ductus arteriosus (disorder)

  • 125963005 Patent ductus arteriosus with left-to-right shunt

  • 125964004 Pate...

CLINICAL PEARLS

  • PDA can be isolated or part of more complex cardiovascular malformations.

  • PDA may resolve spontaneously in most patients.

  • The preferred method to diagnose PDA is transthoracic echocardio...

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