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J Cardiol Cases. 2010 Jan 12;1(3):e166-e170. doi: 10.1016/j.jccase.2009.12.003. eCollection 2010 Jun.

Stenting of right coronary ostial occlusion due to thrombosed type A aortic dissection: One-year follow-up results.

Author information

1
Department of Cardiology, Osaka City General Hospital, 2-13-22 Miyakojima-hondori, Miyakojima-ku, Osaka 534-0021, Japan.

Abstract

A 52-year-old man experienced acute chest pain and was transferred to our hospital. An electrocardiogram showed ST-segment elevation in leads II, III, aVf, and V1 through V3. The diagnosis at the emergency room was inferior acute myocardial infarction (AMI), and emergent coronary angiography (CAG) was performed. While CAG showed subtotal occlusion of the right coronary artery (RCA) ostium, aortic dissection was suspected due to staining of the contrast agent distal to the occluded site of RCA. Intravascular ultrasound showed compression of the RCA ostium due to aortic dissection. We performed bare metal stent implantation, and contrast-enhanced computed tomography (CT) after stenting showed a thrombosed type A aortic dissection. The patient received medical treatment along with repeated CT and echocardiographic examinations, and was discharged without any events one month after admission. CAG six months after stenting and 64-multislice CT angiography one year later showed a patent RCA. Contrast-enhanced CT at six months showed complete resorption of the ascending aortic intramural hematoma, and 64-multislice CT at one year showed a descending aortic intramural hematoma. The patient is doing well one year after the onset. This is a rare case of successful medical treatment for acute type A aortic dissection complicated with AMI.

KEYWORDS:

Acute aortic dissection; Acute myocardial infarction; Stent implantation

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