“…54,55 Increasingly, adolescents and larger children with high-risk clots are being referred to interventional radiology for endovascular thrombectomy using the Angiojet system (Possis, Minneapolis, MN) or the Amplatz Clot Buster system (EV3, Plymouth, MN) and/or local thrombolysis as primary therapy. Smaller children with high-risk clots, particularly SVC obstructions, can be treated with catheterdirected thrombolysis by pediatric cardiologists or radiologists skilled in interventional procedures.…”