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Overview
Dr. Dewansh Mishra is a highly skilled Interventional Neuroradiologist with an MBBS and MD in Radiodiagnosis, and a DM in Neuroradiology from the prestigious Sree Chitra Tirunal Institute for Medical Sciences and Technology (SCTIMST), Trivandrum. With over 6 years of experience in radiology, including specialized training in diagnostic and interventional neuroradiology, he has expertise in the management of stroke, brain aneurysms, vascular malformations (AVMs, dAVFs), spinal vascular disorders, and craniofacial vascular malformations. Dr. Mishra is proficient in advanced endovascular procedures such as mechanical thrombectomy, aneurysm coiling, flow diversion, and embolization therapies including AVM embolization and MMA embolization.
His postdoctoral thesis focused on brain dural arteriovenous fistulas and cognitive function analysis, highlighting the neurocognitive implications of these vascular lesions. Dr. Mishra has also contributed significantly to neuroradiological research, including a study on the role of MRA in carotid-cavernous fistulas (CCF), and has identified the central non-enhancement sign in imaging of carotid body tumors, aiding in improved diagnostic accuracy.
An executive member of ISVIR-UP (Indian Society of Vascular and Interventional Radiology – Uttar Pradesh chapter), Dr. Mishra actively participates in academic initiatives and training programs. He is dedicated to delivering compassionate, evidence-based, and minimally invasive care aimed at improving neurological health and patient outcomes.
Experience
• Over 4 Years of Clinical Experience and Counting…
• Formerly at Dr RMLIMS Lucknow
• Formerly at Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum
Research and Publication
1. Evaluating the diagnostic performance of non- contrast magnetic resonace angiography sequence in the pre - procedural comprehensive analysis of direct carotid cavernous fistula. 2. Central Nonenhancement Sign in Carotid Body Tumor on CT Angiography. 3. Assessment of White Matter of Brain in Refractory Epilepsy Patients with Diffusion Tensor Imaging. 4. Cognitive Assessment of Refractory Patients using MOCA Scale. 5. Prevalence and Distribution of Coronary Dominance and Ramus Intermedius in North Indian Population on CT Coronary Angiography - A Cross- sectional Study. 6. Imaging of Intra Medullary Spinal Cord Lesions on MRI.
Special Interests
•Acute Ischemic Stroke Intervention
Expertise in mechanical thrombectomy and advanced imaging protocols for timely and effective stroke management.
•Intracranial Aneurysm Management
Specializes in minimally invasive techniques including coiling and flow diversion.
• Cerebral and Spinal Vascular Malformations:
• Endovascular treatment of AVMs, dAVFs, and complex spinal vascular disorders.
•Carotid-Cavernous Fistulas (CCF)
•MMA embolization for recurrent SDH.
List of Conditions Treated
- Acute ischemic stroke (large vessel occlusion)
- Intracranial aneurysms
- Brain and spinal arteriovenous malformations (AVMs)
- Dural arteriovenous fistulas (dAVFs) of brain and spine
- Pial arteriovenous fistulas (pial AVFs)
- Carotid and vertebral artery stenosis
- Vein of Galen malformations
- Carotid-cavernous fistulas (CCFs)
- Idiopathic intracranial hypertension (IIH)
- Craniofacial and scalp vascular malformations
- Head and neck vascular tumors preoperative embolization (e.g., meningiomas, paragangliomas)
- Cerebral vasculitis (diagnosis and evaluation)
