Patients Prone to Recurrence after Endovascular Treatment: Periprocedural Results of the PRET Randomized Trial on Large and Recurrent Aneurysms

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.

From the Department of Radiology (J.R., A.W., F.G., D.R.), Centre Hospitalier de l'Université de Montréal and Laboratory of Interventional Neuroradiology (J.R., R.K.), Centre de recherche du Centre Hospitalier de l'Université de Montréal, Notre-Dame Hospital, Montreal, Quebec, Canada; Département de mathématiques et de statistique (M.C.), Université de Montréal, Montreal, Quebec, Canada; Department of Neurological Surgery (S.L.B.), Oregon Health & Science University, Portland, Oregon; Department of Radiology and Medical Imaging (A.J.E.), University of Virginia Health System, Charlottesville, Virginia; Department of Neurosurgery (J.M., B.L.H.), University of Florida, Gainesville, Florida; Departments of Radiology and Neurosurgery (A.S.T., R.D.T.), Medical University of South Carolina, Charleston, South Carolina; Service de Neuroradiologie Diagnostique et Interventionnelle (H.D.), Centre Hospitalier Universitaire de Nantes, Nantes, France; Department of Neurological Surgery (D.F.), Stony Brook University Medical Center, Stony Brook, New York; and Département de Neuroradiologie Diagnostique et Interventionnelle (S.B.), Centre Hospitalier Universitaire de Nancy, Nancy, France.