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A case report of a coronary artery fistula to coronary sinus with giant aneurysm: risk does not end with repair.
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ABSTRACT: Background
Isolated coronary arteriovenous fistulas are extremely rare, accounting for 0.08-0.4% of all congenital heart disease. Closure of the fistula is recommended in cases of large dimensions, relevant left-right shunt, or ischaemic events. Thrombosis of the coronary aneurysms may occur as a postoperative complication.Case summary
We report a case of a coronary fistula between the circumflex artery and coronary sinus with giant aneurysm. After a failed percutaneous closure attempt, the patient was surgically treated without major postoperative complications. Despite therapeutic anticoagulation and antiplatelet therapy, she presented at clinical follow-up with thrombosis of the dilated coronary artery without signs or symptoms of ischaemia.Discussion
Management of coronary artery fistula may be challenging in cases in which initial percutaneous closure is unsuccessful. This particular case also highlights the importance of close follow-up, despite optimal therapy, to detect potentially lethal complications related to the low flow in the dilated coronary aneurysm.
SUBMITTER: Poretti G
PROVIDER: S-EPMC7793215 | biostudies-literature | 2020 Dec
REPOSITORIES: biostudies-literature
Publications
A case report of a coronary artery fistula to coronary sinus with giant aneurysm: risk does not end with repair.
European heart journal. Case reports 20201027 6
<h4>Background</h4>Isolated coronary arteriovenous fistulas are extremely rare, accounting for 0.08-0.4% of all congenital heart disease. Closure of the fistula is recommended in cases of large dimensions, relevant left-right shunt, or ischaemic events. Thrombosis of the coronary aneurysms may occur as a postoperative complication.<h4>Case summary</h4>We report a case of a coronary fistula between the circumflex artery and coronary sinus with giant aneurysm. After a failed percutaneous closure a ...[more]