The Simultaneity of Coronary Artery Ectasia and Intracranial Arterial Dolichoectasia: A Rare Case Report

Harith Adnan Alataby, George Freg, Rana Alzakhari, Gourg Atteya, Muhamed Dougar, Bhavesh Gala, Jay Nfonoyim


In the present study, we report a case of multiple coronary artery ectasias (CAE) and multiple intracranial arterial dolichoectasias (IADEs). A 60-year-old female presented to the emergency department twice with chest pain and mild elevation of troponin and T-wave changes. Peripheral coronary angiography showed severe ectasia and stenosis of certain segments of the left main coronary artery (LMCA), left anterior descending (LAD), first obtuse marginal (OM1), distal left circumflex (LCX), and bilateral subclavian arteries. The patient was treated medically. Two weeks later, she presented with dizziness. Head computerized tomography (CT) angiography showed severe IADE involving the vertebrobasilar system, intracranial internal carotid arteries, and bilateral middle cerebral arteries. No neurovascular intervention was performed due to the complexity of the findings. CAE is an abnormal dilatation of a coronary artery segment of at least 1.5 times the size of a normal coronary artery. The slow flow phenomenon may lead to ischemia and thrombosis, which can result in acute coronary syndrome. IADE comprises a dilatation and elongation of the arteries that affects both the anterior and posterior cerebral circulation, often causing neurological complications such as ischemic stroke, intracranial hemorrhage, or compression of surrounding neural structures. We report this case due to the rarity of coexisting IADE and CAE. A rarefaction of elastic tissue of the media with degeneration of the internal elastic lamina, in addition to matrix metalloproteinase dysfunction, is a common pathological mechanism for this condition. The management of CAE and IADE is mostly conservative, essentially treating the risk factors and administering antiplatelet and anticoagulant agents. In some patients, angioplasty vs. surgical treatment may be applied.

J Med Cases. 2019;10(11):328-332


Coronary artery ectasia; Intracranial arterial dolichoectasia; Coexistence; Concurrence; Association

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