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Endovascular stenting for treatment of a left internal mammary artery pseudoaneurysm following redo‐sternotomy: A case report
Author(s) -
Cheung Paul K.M.,
Philipp Roger K.,
Freed Darren H.
Publication year - 2013
Publication title -
catheterization and cardiovascular interventions
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.988
H-Index - 116
eISSN - 1522-726X
pISSN - 1522-1946
DOI - 10.1002/ccd.24850
Subject(s) - medicine , pseudoaneurysm , surgery , median sternotomy , stent , artery , hemothorax , angiography , aneurysm , radiology , pneumothorax
An 85‐year‐old gentlemen with a history of previous triple vessel coronary bypass grafting presented with severe aortic stenosis and occlusion of the previous saphenous vein grafts but with patent left internal mammary artery (LIMA)–left anterior descending. The patient underwent uncomplicated repeat sternotomy and aortic valve replacement with repeated coronary bypass. On post‐operative day 21 the patient was successfully resuscitated from a pulseless electrical activity (PEA) arrest, and was found to have a 1‐cm pseudoaneurysm of the left internal mammary artery at the level of sternomanubrial junction with associated hemothorax. The LIMA remained patent and a pinhole source of extravasation was discovered by angiography at the aneurysmal site. The defect was successfully repaired by endovascular implant of a 3.5 mm × 12 mm Graft Master covered stent (Abbott Vascular). The patient recovered well from the procedure without further complications and was discharged after a total of 48 days of hospital stay. Our experience confirms the feasibility of repairing post‐operative pseudoaneurysm in the internal mammary artery by endovascular stent grafting, thereby avoiding the risks and complications of a repeat open chest procedure. © 2013 Wiley Periodicals, Inc.

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