Abstract
Background
Moyamoya disease (MMD) is a chronic progressive disease leading to recurrent stroke due to occlusion of the terminal internal carotid arteries. Surgical revascularization for symptomatic MMD is an effective treatment for preventing further stroke. However, direct revascularization of advanced MMD remains challenging due to small caliber of the recipient vessel and perforators.
Methods
We introduce our technique of superficial temporal artery (STA) to middle cerebral artery (MCA) bypass with figures and video to illustrate the procedure.
Conclusion
Surgical nuances of STA to MCA anastomosis will help cerebrovascular neurosurgeons to master low-flow bypass for MMD.
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References
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Approval was obtained from the ethics committee of Huashan Hospital, Fudan University. The procedures used in this study adhere to the tenets of the Declaration of Helsinki. Informed consent was obtained from individual participant included in the study.
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Key points
1. Perioperative blood pressure monitoring is important.
2. The middle meningeal artery should be preserved during craniotomy.
3. Dissecting the parietal branch of the STA from the scalp flap is a safe and rapid way.
4. Periadventitial tissues are dissected from the STA using sharp dissection.
5. Two slightly curved miniclips are used to temporarily occlude the recipient artery without sacrificing any perforators.
6. The bypass is initiated at the toe stitch so as to appropriately match donor with recipient.
7. Square knot is carefully made without any kinking of the suture.
8. Interrupted sutures are performed on each side of the arteriotomy.
9. Grasping the intima should be avoided during traction and countertraction on the vessels being sutured.
10. Bypass patency is confirmed with intraoperative ICG angiography.
This article is part of the Topical Collection on Vascular Neurosurgery—Ischemia
Supplementary Information
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Supplementary file1 (MP4 74839 KB) Video 1: STA-MCA bypass for MMD
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Liao, Y., Xu, F. & Xu, B. How I do it: superficial temporal artery to middle cerebral artery bypass for moyamoya disease. Acta Neurochir 164, 1855–1859 (2022). https://doi.org/10.1007/s00701-022-05255-1
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DOI: https://doi.org/10.1007/s00701-022-05255-1