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Thrombectomy and reconstruction of the left vertebral artery after total arch replacement: never give up on
Chikashi Aoki1, Ikuo Fukuda2, Ken-Ichi Watanabe1
1Department of Thoracic and Cardiovascular Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, 036-8562, Japan.
Insights
This case study shows that revascularizing a vertebral artery occlusion can improve neurological function in patients recovering from complex cardiovascular surgery. Prompt intervention for stroke after aortic repair can lead to significant recovery.
Area of Science:
- Cardiovascular Surgery
- Neurology
- Vascular Surgery
Background:
- A 64-year-old male patient presented with multiple cardiovascular conditions including aortic regurgitation, ischemic heart disease, and complex aortic aneurysms (transverse aortic and abdominal-common iliac).
- The patient underwent successful complex concomitant cardiovascular surgeries: aortic valve replacement, coronary artery bypass grafting, and total aortic arch replacement using the elephant trunk technique.
Observation:
- Postoperatively, on the 5th day, the patient developed cardiac tamponade.
- This complication led to bulbar palsy, a neurological deficit, caused by occlusion of the dominant left vertebral artery.
Findings:
- A thrombectomy of the occluded left vertebral artery was performed.
- The vertebral artery was successfully reconstructed using a saphenous vein graft.
- Following the intervention, the patient experienced significant improvement in neurological symptoms.
Implications:
- This case highlights the potential for neurological recovery through revascularization in patients experiencing ischemic stroke post-cardiovascular surgery.
- It suggests that timely intervention for vertebral artery occlusion can be beneficial even after extensive cardiac and aortic procedures.
Abstract:
The patient was a 64-year-old man who had aortic regurgitation, ischemic heart disease, a transverse aortic aneurysm, and an abdominal-common iliac aneurysm. Concomitant operations including aortic valve replacement, coronary artery bypass grafting, and total aortic arch replacement with elephant trunk technique were performed successfully. The patient developed postoperative cardiac tamponade on the 5th postoperative day, resulting in bulbar palsy due to occlusion of the dominant left vertebral artery. Thrombectomy of the vertebral artery with reconstruction by a saphenous vein was performed. The patient's neurological symptoms improved after the operation. Revascularization of ischemic stroke may yield neurological improvement even in patients after cardiovascular surgery.
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