Truncus Arteriosus in a newborn: the importance of the knowledge about the disease
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Abstract
Introduction: Truncus arteriosus, arterial trunk or persistent trunk, is
a congenital heart disease that results from a failure in the division of
the arterial trunk into the pulmonary and aortic trunk, causing a single
arterial trunk to pump blood to the pulmonary and systemic circulation,
making it a cyanogenic disease. The incidence of truncus arteriosus is 3 to
10 per 100,000 live births, and there are four types according to Van Praag:
A1, A2, A3, and A4. Objective: To describe the case of a female newborn
with truncus arteriosus type A1 Van Praag or Collett I, emphasizing the
importance of understanding this clinical condition for the diagnosis, care,
and treatment of newborns. Case Description: A 37 weeks and 3 days
female newborn, with uncomplicated childbirth, good breathing pattern,
heartbeats above 100 bpm, and oxygen saturation of 97%. The patient
presented a heart murmur of 3+/6+ at first, which evolved to 5+/6+ with
fremitus. The echocardiogram confirmed truncus arteriosus Van Praaghs
type A or Collett I. The patient was transferred to a cardiologic reference
center. Discussion: Truncus arteriosus is a rare condition in newborn care
services, which makes it difficult for health professionals to identify the
pathology and perform complementary tests. This delay in diagnosis
and treatment can significantly affect the prognosis, as children with
this anomaly have a high mortality rate in the first year of life. Therefore,
healthcare professionals must be aware of this condition and provide the
best course of treatment.
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