High-resolution compressed sensing TOF-MRA might show better performance than CTA for evaluating revascularization in Moyamoya patients
Shujing Ren1, Wei Wu2, Chunqiu Su1, Qianmiao Zhu2, Michaela Schmidt3, Yi Sun4, Christoph Forman3, Peter Speier3, Xunning Hong1, and Shanshan Lu1
1Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China, 2Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China, 3Siemens Healthcare, Erlangen, Germany, 4Siemens Healthcare, Shanghai, China
It is important for MMD patients to receive repeated life-time follow-up examinations for evaluation of bypass patency and collateral formation from neovascularization after bypass surgery. In this study we evaluated the clinical value of high-resolution (0.4 × 0.4 × 0.4 mm3 isotropic) CS TOF-MRA for assessment of STA-MCA bypass and neovascularization by using CTA as the reference. We found that high-resolution CS TOF-MRA could provide better visualization for both STA-MCA bypass and neovascularization than traditional CTA within a clinically reasonable time in MMD patients after surgical revascularization.
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