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J Thorac Cardiovasc Surg 2004;128:751-752
© 2004 The American Association for Thoracic Surgery

Brief communication

Surgical management of a giant left main coronary artery aneurysm

Bruno B. Pinheiro, MDa,*, Walter V. Fagundes, MDa, Carlos A. Gusmão, MDb, Antônio M. C. Lima, MDb, Lola H. Santos, MDb, Gustavo B. Vieira, MDb

a Department of Cardiac Surgery, Hospital Santa Genoveva–Clinicord, Av. Concordia 26, zip 74670-430, Goiânia, Brazil
b Department of Cardiology, Hospital Geral de Goiânia, Av. Anhanguera 6479, zip 74110-010, Goiânia, Brazil

Received for publication February 20, 2004; revisions received March 11, 2004; accepted for publication March 15, 2004.

* Address for reprints: Bruno B. Pinheiro, MD, Hospital Santa Genoveva–Clinicord, Av. Concordia 26, zip 74670-430, Goiânia, Brazil
bbpmt@cultura.com.br

The first 20% of the full text of this article appears below.


Dr Pinheiro


Coronary artery aneurysms are noted in 0.15% to 4.9% of patients undergoing coronary angiography. They rarely involve the left main coronary artery (LMCA). In a series of 22,000 coronary angiograms, LMCA aneurysms were found in only 22 patients (an occurrence rate of 0.1%).1 According to Lenihan and coworkers,2 coronary artery aneurysms in patients younger than 33 years of age are congenital, and they have otherwise normal coronary arteries. In most patients older than 33 years and in all patients older than 56 years, coronary artery aneurysms are caused by atherosclerosis.2 The main complication is myocardial ischemia or infarction, but aneurysm rupture can rarely occur. Because of the rarity of LMCA aneurysms, it is difficult to standardize treatment. Various surgical strategies have been adopted, such as reconstruction, resection, or isolation with concomitant coronary bypass.3

We present a case of successful isolation of a giant LMCA aneurysm . . . [Full Text of this Article]




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