Non-catheter related arterial thromboembolism in the neonatal population is rare and carries a significant risk of organ damage or limb loss. Thrombolysis, whether systemic or catheter- directed, is reserved either for limb or life-threatening thrombosis due to risk of bleeding especially in premature neonates. In this case, an infant male born at 34 weeks and 4 days gestational age presented with limb-threatening clot in the distal right subclavian artery and proximal right axillary artery with no known cause.
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