Indirect and direct revascularization of ACTA2 cerebral arteriopathy: feasibility of the superficial temporal artery to anterior cerebral artery bypass with posterior auricular artery interposition graft: case report.

Abstract excerpt

Mutations in the smooth muscle-specific isoform of alpha actin (ACTA2) cause smooth muscle dysfunction in arteries. This rare loss-of-function mutation may cause a diffuse occlusive cerebral arteriopathy, resulting in stroke. While ACTA2 arteriopathy is often described as moyamoya-like, it has a distinct phenotype characterized by dilation of the proximal internal carotid artery (ICA) and occlusion of the...

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