Impact of Stenosis Degree on Outcomes of Stenting versus Medical Treatment Alone for Symptomatic Intracranial Stenosis: A Pooled Individual Patient Data Analysis

From the Department of Neurosurgery (Z.X., T.L., P.G., J.L., H.G., X.B., T.W., L.J.), and Neurosurgery and Interventional Neuroradiology (L.J.), Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders, 45 Changchun Street, Beijing 100053, China; Health Science Center (Z.X.), Xi’an Jiaotong University, Shaanxi, China; Department of Neurosurgery (T.L.), The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Neuro Interventional Surgery (E.A.), Sarasota Memorial Hospital, Sarasota, Florida, USA; and Department of Radiology and Medical Imaging (C.P.D.), University of Virginia, Charlottesville VA, USA.

From the Department of Neurosurgery (Z.X., T.L., P.G., J.L., H.G., X.B., T.W., L.J.), and Neurosurgery and Interventional Neuroradiology (L.J.), Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders, 45 Changchun Street, Beijing 100053, China; Health Science Center (Z.X.), Xi’an Jiaotong University, Shaanxi, China; Department of Neurosurgery (T.L.), The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Neuro Interventional Surgery (E.A.), Sarasota Memorial Hospital, Sarasota, Florida, USA; and Department of Radiology and Medical Imaging (C.P.D.), University of Virginia, Charlottesville VA, USA.

From the Department of Neurosurgery (Z.X., T.L., P.G., J.L., H.G., X.B., T.W., L.J.), and Neurosurgery and Interventional Neuroradiology (L.J.), Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders, 45 Changchun Street, Beijing 100053, China; Health Science Center (Z.X.), Xi’an Jiaotong University, Shaanxi, China; Department of Neurosurgery (T.L.), The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Neuro Interventional Surgery (E.A.), Sarasota Memorial Hospital, Sarasota, Florida, USA; and Department of Radiology and Medical Imaging (C.P.D.), University of Virginia, Charlottesville VA, USA.

From the Department of Neurosurgery (Z.X., T.L., P.G., J.L., H.G., X.B., T.W., L.J.), and Neurosurgery and Interventional Neuroradiology (L.J.), Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders, 45 Changchun Street, Beijing 100053, China; Health Science Center (Z.X.), Xi’an Jiaotong University, Shaanxi, China; Department of Neurosurgery (T.L.), The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Neuro Interventional Surgery (E.A.), Sarasota Memorial Hospital, Sarasota, Florida, USA; and Department of Radiology and Medical Imaging (C.P.D.), University of Virginia, Charlottesville VA, USA.

From the Department of Neurosurgery (Z.X., T.L., P.G., J.L., H.G., X.B., T.W., L.J.), and Neurosurgery and Interventional Neuroradiology (L.J.), Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders, 45 Changchun Street, Beijing 100053, China; Health Science Center (Z.X.), Xi’an Jiaotong University, Shaanxi, China; Department of Neurosurgery (T.L.), The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Neuro Interventional Surgery (E.A.), Sarasota Memorial Hospital, Sarasota, Florida, USA; and Department of Radiology and Medical Imaging (C.P.D.), University of Virginia, Charlottesville VA, USA.

From the Department of Neurosurgery (Z.X., T.L., P.G., J.L., H.G., X.B., T.W., L.J.), and Neurosurgery and Interventional Neuroradiology (L.J.), Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders, 45 Changchun Street, Beijing 100053, China; Health Science Center (Z.X.), Xi’an Jiaotong University, Shaanxi, China; Department of Neurosurgery (T.L.), The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Neuro Interventional Surgery (E.A.), Sarasota Memorial Hospital, Sarasota, Florida, USA; and Department of Radiology and Medical Imaging (C.P.D.), University of Virginia, Charlottesville VA, USA.

From the Department of Neurosurgery (Z.X., T.L., P.G., J.L., H.G., X.B., T.W., L.J.), and Neurosurgery and Interventional Neuroradiology (L.J.), Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders, 45 Changchun Street, Beijing 100053, China; Health Science Center (Z.X.), Xi’an Jiaotong University, Shaanxi, China; Department of Neurosurgery (T.L.), The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Neuro Interventional Surgery (E.A.), Sarasota Memorial Hospital, Sarasota, Florida, USA; and Department of Radiology and Medical Imaging (C.P.D.), University of Virginia, Charlottesville VA, USA.

From the Department of Neurosurgery (Z.X., T.L., P.G., J.L., H.G., X.B., T.W., L.J.), and Neurosurgery and Interventional Neuroradiology (L.J.), Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders, 45 Changchun Street, Beijing 100053, China; Health Science Center (Z.X.), Xi’an Jiaotong University, Shaanxi, China; Department of Neurosurgery (T.L.), The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Neuro Interventional Surgery (E.A.), Sarasota Memorial Hospital, Sarasota, Florida, USA; and Department of Radiology and Medical Imaging (C.P.D.), University of Virginia, Charlottesville VA, USA.

From the Department of Neurosurgery (Z.X., T.L., P.G., J.L., H.G., X.B., T.W., L.J.), and Neurosurgery and Interventional Neuroradiology (L.J.), Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders, 45 Changchun Street, Beijing 100053, China; Health Science Center (Z.X.), Xi’an Jiaotong University, Shaanxi, China; Department of Neurosurgery (T.L.), The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Neuro Interventional Surgery (E.A.), Sarasota Memorial Hospital, Sarasota, Florida, USA; and Department of Radiology and Medical Imaging (C.P.D.), University of Virginia, Charlottesville VA, USA.

From the Department of Neurosurgery (Z.X., T.L., P.G., J.L., H.G., X.B., T.W., L.J.), and Neurosurgery and Interventional Neuroradiology (L.J.), Xuanwu Hospital, China International Neuroscience Institute, Capital Medical University, National Center for Neurological Disorders, 45 Changchun Street, Beijing 100053, China; Health Science Center (Z.X.), Xi’an Jiaotong University, Shaanxi, China; Department of Neurosurgery (T.L.), The First People’s Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China; Neuro Interventional Surgery (E.A.), Sarasota Memorial Hospital, Sarasota, Florida, USA; and Department of Radiology and Medical Imaging (C.P.D.), University of Virginia, Charlottesville VA, USA.