Moyamoya disease treatment

Endothelial progenitor cells (EPCs) contribute to the recovery of neurological function after ischemic stroke. Indirect revascularization has exhibited promising effects in the treatment of cerebral ischemia related to moyamoya disease and intracranial atherosclerotic disease. The role of EPCs in augmenting the revascularization effect is not clear. The results of a study suggested that indirect revascularization ameliorated the cerebral ischemic changes. EPCs played a key role in augmenting the effect of indirect revascularization in the treatment of chronic cerebral ischemia 1).


Based on combined meta-analysis (43 articles) and pooled analysis (143 articles), the existing literature indicates that combined and direct bypasses have significant benefits for patients suffering from late stroke and hemorrhage versus indirect bypass. Combined bypass was favored over indirect bypass for favorable outcomes. This is a strong recommendation based on low-quality evidence when utilizing the Grades of Recommendation, Assessment, Development, and Evaluation system. These findings have important implications for bypass strategy selection 2).

Direct, Indirect, and Combined Extracranial-to-Intracranial Bypass.


1)
Wang KC, Yang LY, Lee JE, Wu V, Chen TF, Hsieh ST, Kuo MF. Combination of indirect revascularization and endothelial progenitor cell transplantation improved cerebral perfusion and ameliorated tauopathy in a rat model of bilateral ICA ligation. Stem Cell Res Ther. 2022 Nov 12;13(1):516. doi: 10.1186/s13287-022-03196-1. PMID: 36371197.
2)
Nguyen VN, Motiwala M, Elarjani T, Moore KA, Miller LE, Barats M, Goyal N, Elijovich L, Klimo P, Hoit DA, Arthur AS, Morcos JJ, Khan NR. Direct, Indirect, and Combined Extracranial-to-Intracranial Bypass for Adult Moyamoya Disease: An Updated Systematic Review and Meta-Analysis. Stroke. 2022 Sep 22:101161STROKEAHA122039584. doi: 10.1161/STROKEAHA.122.039584. Epub ahead of print. PMID: 36134563.
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