Expect the unexpected: a case of spontaneous thrombosis of a pial arteriovenous fistula in a preterm newborn with review of the literature.

Childs Nerv Syst

University of Padua, Department of Women's and Children's Health, Padova University Hospital, Unit of Neonatal Intensive Care Unit, Division Women's and Children's Health , Padua, Italy.

Published: March 2023

Introduction: Pial arteriovenous fistulas (pAVF) are rare vascular malformations, especially in children and newborns. In neonates, the most common symptom is congestive heart failure.

Case Presentation: We report a case of an asymptomatic preterm newborn incidentally diagnosed with pAVF during a routine cranial ultrasound (cUS) on the third day of life. Cerebral magnetic resonance (MRI) confirmed the diagnosis. A wait-and-see approach was chosen by the multidisciplinary team. The cUS and the MRI on day 14 of life showed the spontaneous resolution of the lesion.

Conclusions: This case underlines the challenges in identifying pAVF in the first weeks of life and demonstrates a possible positive outcome for affected neonates.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10024657PMC
http://dx.doi.org/10.1007/s00381-022-05652-yDOI Listing

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