European heart journal. Case reports · 2023
A case report of transcatheter closure of post-Bentall ascending aortic pseudoaneurysm due to coronary button dehiscence.
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Lin Huan-Chiu, Lee Yung-Tsai, Yin Wei-Hsian, Wei Jeng
Аннотация
BACKGROUND: Ascending aortic pseudoaneurysm due to coronary button dehiscence is a rare, yet life-threatening complication of reconstructive cardiac surgery. Because of its rare entity, large data are lacking, and therefore, treatment guidelines are missing.
CASE SUMMARY: We describe a case of a 53-year-old male with a past medical history of ascending aortic aneurysm and severe aortic regurgitation who underwent Bentall procedure with 26 mm conduit and mechanical aortic valve 1 year before. Follow-up chest computed tomography (CT) revealed coronary button dehiscence with a giant aortic root pseudoaneurysm and mural thrombus inside. Given the risk of rupture, the heart team decided to go for a percutaneous approach. Based on a pre-interventional 3D reconstructed CT scan and guided by transoesophageal echocardiography and intravascular ultrasound, the pseudoaneurysm was successfully occluded with a 6 × 4 mm Amplatzer Duct Occluder II and simultaneous left main coronary artery (LMCA) stenting with a 4.0 × 15 mm drug-eluting stent. Post-procedural chest CT and echocardiography revealed minimal contrast leakage posterior to the aortic root and para LMCA region, confirmed thrombosis formation post occluder and stent deployment, and patent flow of LMCA.
DISCUSSION: We describe the successful 3D reconstructed CT scan and peri-procedural transoesophageal echocardiography-guided percutaneous treatment of a giant aortic root pseudoaneurysm with an occluder and a drug-eluting stent with excellent results.
CASE SUMMARY: We describe a case of a 53-year-old male with a past medical history of ascending aortic aneurysm and severe aortic regurgitation who underwent Bentall procedure with 26 mm conduit and mechanical aortic valve 1 year before. Follow-up chest computed tomography (CT) revealed coronary button dehiscence with a giant aortic root pseudoaneurysm and mural thrombus inside. Given the risk of rupture, the heart team decided to go for a percutaneous approach. Based on a pre-interventional 3D reconstructed CT scan and guided by transoesophageal echocardiography and intravascular ultrasound, the pseudoaneurysm was successfully occluded with a 6 × 4 mm Amplatzer Duct Occluder II and simultaneous left main coronary artery (LMCA) stenting with a 4.0 × 15 mm drug-eluting stent. Post-procedural chest CT and echocardiography revealed minimal contrast leakage posterior to the aortic root and para LMCA region, confirmed thrombosis formation post occluder and stent deployment, and patent flow of LMCA.
DISCUSSION: We describe the successful 3D reconstructed CT scan and peri-procedural transoesophageal echocardiography-guided percutaneous treatment of a giant aortic root pseudoaneurysm with an occluder and a drug-eluting stent with excellent results.