Mechanical Thrombectomy for Acute Stroke in a 2-Month-Old Patient and Review of the Literature in Infancy

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Mechanical thrombectomy (MT) in pediatric stroke is supported by studies in adults, but there is controversy regarding younger patients. The main growth of intracranial vessels occurs up to 2 years when there can be more difficulties in MT.

Description of the MT performed in a 2-month-old patient—the youngest infant published to date. We also review the literature on MT for stroke in infants.

A 2-month-old patient presented with an awakening stroke secondary to an occlusion of the M1 segment of the left middle cerebral artery. A successful MT was performed with an aspiration device without clinically significant complications. An etiological study was completed, and neuroimaging showed focal cerebral arteriopathy. The 3-month outcome was excellent: the pediatric modified Rankin score was 0.

Including this case, MT for acute stroke has been reported in only 10 infants. MT was successful in 90%, mostly using adult conventional stent retrievers. There were complications only in patients with mechanical circulatory support (MCS) devices; three patients died due to hemorrhagic transformation after MT and one patient died due to recurrent ischemic stroke.

MT seems effective and safe in infants similarly to other pediatric ages. In children under 2 years of age, the presence of comorbidities requiring MCS devices is the main factor underlying poor prognosis.

Keywords mechanical thrombectomy - infants - acute stroke - pediatric stroke Note

Informed consent was obtained from the patient's legal guardian for this publication.

Publication History

Received: 24 March 2022

Accepted: 28 April 2022

Article published online:
24 July 2022

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