Key result
Conservative management yields spontaneous RA thrombus resolution within 6 days in a preterm neonate.
Why the study?
Evidence-based guidelines regarding the ideal management and timeframe of spontaneous resolution of thrombo-embolus in neonates, specifically preterm infants, are lacking.
Does a conservative 'wait and watch' approach lead to resolution of an asymptomatic right atrial mass in a preterm neonate?
Case Report (n=1)
No
Does a conservative 'wait and watch' approach lead to resolution of an asymptomatic right atrial mass in a preterm neonate?
An asymptomatic right atrial mass, presumed to be a thrombus, in a preterm neonate can resolve spontaneously within days using a conservative approach.
May support conservative observation for asymptomatic small right atrial masses in preterm neonates; leaves open need for prospective validation.
Background: There is currently a lack of evidence-based guidelines regarding ideal management of a neonate, specifically a preterm, with thrombo-embolus. There are no clear guidelines as to the time-frame of spontaneous resolution of a thrombo-embolus. Case summary: A large pedunculated right atrial mass was identified on a clinician-performed cardiac ultrasound in a preterm neonate. The mass was smaller than half of the atrial size and was not causing obstruction. The mass disappeared spontaneously within 6 days and was retrospectively presumed to have been a thrombus. The neonate remained asymptomatic with no signs suggesting that the mass may have embolized. Discussion: In this case of an incidentally identified asymptomatic intracardiac mass in a preterm infant, presumed to be a thrombus, our conservative 'wait and watch' approach was not associated with any adverse pulmonary or systemic effects.
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Klimek et al. (2023) conducted a case report in Right atrial mass in a preterm neonate (n=1). Conservative management ('wait and watch') was evaluated on Resolution of right atrial mass. A conservative 'wait and watch' approach resulted in the spontaneous disappearance of a presumed right atrial thrombus within 6 days in a preterm neonate.
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