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Case Reports
. 2012 Apr 21;6(1):e23-e25.
doi: 10.1016/j.jccase.2012.03.012. eCollection 2012 Jul.

Novel use of a guiding catheter to relieve left main stem occlusion complicating Stamford type A aortic dissection

Affiliations
Case Reports

Novel use of a guiding catheter to relieve left main stem occlusion complicating Stamford type A aortic dissection

James A Cockburn et al. J Cardiol Cases. .

Abstract

Acute ST elevation myocardial infarction occurring as a result of acute aortic dissection is a relatively rare complication with an incidence of 1-2%. However, despite this the outcome is frequently fatal. This report documents novel use of a percutaneous guiding catheter to relieve left main stem occlusion complicating Stamford type A aortic dissection, as a bridge to successful surgical treatment. A 62-year-old man presented with acute chest pain and electrocardiographic changes consistent with acute anterior myocardial infarction, and was sent for primary percutaneous coronary intervention. Angiography demonstrated an acute Stamford type A aortic dissection with associated secondary myocardial infarction caused by mechanical obstruction of the left main coronary artery by the dissection flap. Engagement of the coronary ostium with a guide catheter relieved the obstruction and allowed transfer of the patient to the operating theatre where surgery was successfully performed.

Keywords: Aortic dissection; Left main stem; Myocardial infarction.

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Figures

Fig. 1
Fig. 1
Normal right coronary artery.
Fig. 2
Fig. 2
EBU 3.5 Guide catheter in the aortic root demonstrating extensive contrast staining, and a visible linear flap in the aortic root.
Fig. 3
Fig. 3
Engagement of the left main stem with an EBU 3.5 guide demonstrating relief of the ostial compression from the dissection flap hematoma and a subsequent normal left coronary system.
Fig. 4
Fig. 4
Transesophageal echocardiography long-axis view with dissection flap visible in root and guide catheter in situ.

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