eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
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vol. 16
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Giant left anterior descending artery aneurysm

Jelena Vuckovic Karan
1, 2
Aleksandar M. Milosavljevic
Ksenija Babovic Stanic
Lazar Velicki
1, 2

Department of Surgery, Medical Faculty, University of Novi Sad, Novi Sad, Serbia
Department of Cardiovascular Surgery, Institute of Cardiovascular Diseases Vojvodina, Sremska Kamenica, Serbia
Adv Interv Cardiol 2020; 16, 1 (59): 112–113
Online publish date: 2020/04/03
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The prevalence of aneurysmal coronary artery disease in patients undergoing coronary angiography varies from 0.2% to 10%, with such a wide range primarily reflecting the different angiographic criteria used to define coronary artery aneurysm (CAA) [1]. CAA may infrequently grow large enough to be called “giant”, defined as ≥ 8 mm in diameter [2]. Several clinical and treatment questions on this matter remain unanswered together with the current natural history of this condition.
We present a case of a 63-year-old female patient with a history of coronary artery disease (CAD). The patient was admitted to the cardiac surgery clinic for elective coronary artery bypass grafting. Three years prior to admission, the patient sustained anterior wall ST-elevation myocardial infarction that was treated with fibrinolytic therapy in a regional centre. At that time, the patient was not submitted to coronary angiography. Following the last admission due to progressive chest pain, the patient underwent coronarography which demonstrated a sub-occlusive lesion on the left anterior descending (LAD) artery with a huge mid-level LAD aneurysm (Figure 1 A). Echocardiography revealed moderately reduced left ventricular ejection fraction of 45% and otherwise normal findings. The patient was admitted for surgery. The LAD aneurysm was easily identified, measuring 35 mm in diameter (Figure 1 B). Total exclusion of the aneurysm was performed with clipping the artery proximally and distally in relation to the LAD aneurysm. On-pump left internal mammary artery to LAD anastomosis was subsequently performed. The patient was discharged in a good condition on the 7th postoperative day.
The pathogenesis of CAA is not clearly understood, but there is compelling evidence of associations between certain risk factors and CAAs: genetic susceptibility, CAD, certain vasculitis and connective tissue diseases, and local wall injury following intracoronary manipulation [3]. CAD was most likely the underlying cause of CAA development in our patient.
Most CAAs are incidentally detected during coronary angiography or computed tomography. The majority of cases remain clinically silent, although a variety of clinical scenarios may develop: 1 – effort angina and acute coronary syndrome due to concomitant coronary artery disease, 2 – distal embolization, 3 – compression of local structures in cases of giant CAAs, 4 – aneurysm rupture, 5 – stress-induced ischemia due to...

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