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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
[Aortic Dissection with Fistula between the Sinus of Valsalva and the Right Atrium:Report of a Case]
Toshihiko Nishi1, Takenori Yamazaki
1Department of Cardiovascular Surgery, Kainan Hospital, Yatomi, Japan.
Insights
A patient with Stanford type A aortic dissection and an aorto-right atrial shunt, initially treated conservatively, underwent successful aortic repair. This case highlights the importance of timely surgical intervention for complex aortic conditions.
Area of Science:
- Cardiovascular Surgery
- Cardiology
- Thoracic Surgery
Background:
- Stanford type A aortic dissection is a life-threatening condition often requiring surgical intervention.
- Prior coronary artery bypass grafting (CABG) can complicate surgical management due to adhesions.
- Aorto-right atrial fistula is a rare but serious complication of aortic dissection.
Abstract:
We report a case of a 72-year-old male with Stanford type A aortic dissection with a fistula between the sinus of Valsalva and the right atrium. Six years before, the patient had undergone coronary artery bypass grafting (CABG) using the left internal thoracic artery and two saphenous vein grafts. This time he was admitted to our hospital due to dyspnea. Computed tomography revealed Stanford type A aortic dissection. Conservative treatment was first adopted, because severe adhesion was expected after CABG and the false lumen of the aorta was partially thrombosed. However, heart failure could not be managed. Repeated transthoracic echocardiography revealed aorto-right atrial shunt. Retrospective reexamination of the echocardiography, the shunt had existed since admission. We performed replacement of the ascending aorta and reimplantation of the saphenous vein grafts. The patient recovered uneventfully.
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