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- W4386471646 abstract "The main treatment for moyamoya disease (MMD) is revascularization surgery. Most bypasses use the superficial temporal artery (STA) as the donor vessel. However, even if the STA–middle cerebral artery (MCA) bypass is functioning, the affected hemisphere can continue to be symptomatically malperfused. We sought to assess the efficacy of salvage direct revascularization surgery using the occipital artery (OA) as a donor vessel in patients with ischemic MMD who experience continued cerebral malperfusion despite previous successful STA-MCA bypass. We retrospectively analyzed the cerebrovascular databases of 2 surgeons and described patients in whom the OA was used as the donor vessel for direct revascularization. Seven patients were included (5 women). Previous STA-MCA bypasses were direct (n=2), indirect (n=3), or combined/multiple (n=2). The mean (SD) interval between STA-MCA and OA-MCA procedures was 29.2 (13.1) months. Despite an intact STA-MCA bypass in all 7 cases, all 7 patients had recurrent symptoms and demonstrated residual impaired cerebral perfusion. All 7 patients underwent successful OA-MCA direct revascularization. Follow-up perfusion imaging was obtained for 6 of 7 patients. All 6 of these patients demonstrated improved cerebral blood flow to the revascularized hemispheres. All 7 patients demonstrated clinical improvement. Patients with ischemic MMD who have continued symptoms and cerebral malperfusion despite previous successful STA-MCA bypass present a challenging clinical scenario. Our series highlights the potential utility of the OA-MCA direct bypass as a salvage therapy for these patients." @default.
- W4386471646 created "2023-09-07" @default.
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- W4386471646 date "2023-09-01" @default.
- W4386471646 modified "2023-10-02" @default.
- W4386471646 title "Occipital artery to middle cerebral artery direct bypass: a salvage revascularization technique for ischemic moyamoya disease" @default.
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- W4386471646 doi "https://doi.org/10.1016/j.wneu.2023.08.139" @default.
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