Carotid artery dissection is an infrequent cause of neonatal-perinatal stroke. Its rarity may be due to underdiagnosis or lack of awareness. We report a case of a full-term, large-for-gestational-age (LGA) male infant delivered at 39 weeks gestation. Pertinent prenatal and perinatal history include gestational diabetes, preeclampsia, and the use of forceps to assist in delivery due to shoulder dystocia. The infant presented with apnea and cyanosis while rooming which prompted admission to the neonatal intensive care unit (NICU). Initial sonographic investigation revealed an infarct, subsequently confirmed as a massive left-sided infarct by magnetic resonance imaging (MRI) of the brain. Further, computerized tomography (CT) angiography confirmed a dissection in the right common and internal carotid arteries. The child was treated with antiepileptic and antithrombotic medications. He is now undergoing regular neurodevelopmental monitoring and rehabilitation. As per our sources, this case is the first to report a contralateral significant perinatal stroke due to carotid artery dissection. It underscores the importance of recognizing subtle signs of neonatal encephalopathy that may be due to perinatal stroke, of which carotid artery dissection is an uncommon etiology. Assisted delivery techniques such as the use of forceps may be risk factors.
Keywords: apnea; dissection; forceps; full term neonates; internal carotid artery; seizures; shoulder dystocia; stroke.
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