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  • Title: Transseptal guidewire stabilization for device closure of a large pulmonary arteriovenous malformation.
    Author: Joseph G, Kunwar BK.
    Journal: Cardiovasc Intervent Radiol; 2013 Jun; 36(3):829-33. PubMed ID: 22806247.
    Abstract:
    A 46-year-old man presenting with massive hemoptysis was found to have a large pulmonary arteriovenous malformation (PAVM) in the right lung. Closure of the PAVM with an Amplatzer-type duct occluder was hampered by inability to advance the device delivery sheath into the PAVM due to vessel tortuosity and inadequate guidewire support. Atrial septal puncture was performed and a femorofemoral arteriovenous guidewire loop through the right pulmonary artery, PAVM, and left atrium was created. Traction on both ends of the guidewire loop allowed advancement of the device delivery sheath into the PAVM and successful completion of the procedure. Transseptal guidewire stabilization can be a valuable option during device closure of large PAVMs when advancement, stability, or kinking of the device delivery sheath is an issue.
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