Outcomes of patent foramen ovale greater than 3 mm at birth in extremely low birthweight infants

S Gaffar, B Siassi, R Cayabyab, M Ebrahimi, L Barton… - BMC pediatrics, 2023 - Springer
Background Foramen ovale (FO) is an obligate fetal shunt that typically resolves after birth,
although patency throughout life is not uncommon. The natural history of patent FO (PFO) is …