Dr. Laurent Grignon

David Nascene is a Neuroradiologist in Minneapolis, Minnesota. Dr. Nascene is highly rated in 6 conditions, according to our data. His top areas of expertise are CACH Syndrome, Spinal Muscular Atrophy Type 2, Spinal Muscular Atrophy with Arthrogryposis, Posterior Fossa Decompression, and Osteotomy.

Dr. Kayan is the medical director of neurointerventional surgery at Abbott Northwestern Hospital, part of Allina Health in Minneapolis. His practice philosophy is to provide the highest level of evidence-based, patient-centered neurointerventional care. He performs over 500 neurointerventional procedures annually.Dr. Kayan treats one of the highest volumes of brain aneurysms in the country. He has personally treated nearly 2,000 brain aneurysms using a minimally invasive endovascular approach. Using the latest devices, including both intra-saccular and intra-vascular flow diversion, his personal major complication rate is on the order of 1% or less.Dr. Kayan also has an active interest in carotid artery disease, pulsatile tinnitus, and subdural hematoma. He performs a high volume of carotid angioplasty and stenting, as well as middle meningeal artery embolization. Dr. Kayan is highly rated in 4 conditions, according to our data. His top areas of expertise are Brain Aneurysm, Stroke, Subarachnoid Hemorrhage, Thrombectomy, and Carotid Artery Surgery.

Christopher Palmer is a Neuroradiologist in Minneapolis, Minnesota. Dr. Palmer is highly rated in 15 conditions, according to our data. His top areas of expertise are Subarachnoid Hemorrhage, Cerebral Arteriovenous Malformation, Scoliosis, and Cavernous Sinus Thrombosis.