Optimal endovascular therapy technique for isolated intracranial atherothrombotic stroke-related large vessel occlusion in the acute to subacute stage

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)

From the Department of Neurosurgery, Hyogo Medical University, Nishinomiya, Japan (M.B., K.U., M.S., S.Y., F.S.); Neurovascular Research & Neuroendovascular Therapy, Kobe City Medical Center General Hospital, Kobe, Japan (N.S.), Department of Stroke Neurology, National Hospital Organization Osaka National Hospital, Osaka, Japan (H.Y.); Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, Japan (K.T., K.T.); Department of Neurosurgery, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan (Y.M.); Division of Development and Discovery of Interventional Therapy, Tohoku University Hospital, Sendai, Japan (Y.M.); Department of Neurology, Osaka University Graduate School of Medicine, Suita, Japan (K.T.); Department of Neurology, Institute of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan (M. H.); Department of Neurology, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan (S.S.); Department of Neurology, Kumamoto University, Kumamoto, Japan (S.S.); Department of Neurosurgery, Brain Attack Center Ota Memorial Hospital, Fukuyama, Japan (S.O.); Department of Neurosurgery, Yokohama Shintoshi Neurosurgical Hospital, Kanagawa, Japan (M.M.); Department of Neurosurgery, Seisho Hospital, Odawara, Japan (M.T.); Department of Neurosurgery, National Cerebral and Cardiovascular Center, Suita, Japan (H.I.); Department of Neurosurgery, Kurashiki Central Hospital, Kurashiki, Japan (H.I.); Department of Neurosurgery, Yamaguchi University School of Medicine, Ube, Japan (H.I.); Department of Neurosurgery, Shimizu Hospital, Kyoto, Japan (H.K.); Department of Neurosurgery, Japanese Red Cross Ise Hospital, Ise, Japan (T.S.); Department of Neurosurgery, Araki Neurosurgical Hospital, Hiroshima, Japan (H.A.); Neuroendovascular Therapy Center, Ohkawara Neurosurgical Hospital, Muroran, Hokkaido, Japan (T.N.)