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  3. Dr. Arunnath K

Dr. Arunnath K

Reg.No: TCMC No: 56364
Assistant Professor

Endovascular neuro interventionist

Area of Interest
Area of Interest Diseases / Conditions Procedures / Interventions
Head Injury / Neurotrauma - Acute subdural hematoma (ASDH)- Chronic subdural hematoma (CSDH)- Extradural hematoma- Contusion / intracerebral hematoma- Diffuse axonal injury- Depressed or compound skull fracture with CSF leak - Burr hole evacuation- Craniotomy and evacuation- Decompressive craniectomy- ICP monitoring- Repair of dural tear / fracture- Middle Meningeal Artery (MMA) embolization for CSDH
Spinal Injury / Spinal Disorders - Cervical / thoracic / lumbar fracture–dislocation- Traumatic spinal cord injury- Degenerative disc disease- Spondylolisthesis- Spinal canal stenosis- Spinal tumors - Spinal fixation (anterior / posterior)- Laminectomy / laminoplasty- Discectomy / microdiscectomy- Pedicle screw fixation- Vertebroplasty / kyphoplasty
Malignancies of Brain & Spine - Glioblastoma multiforme- Astrocytoma- Oligodendroglioma- Meningioma- Ependymoma- Medulloblastoma- Metastatic brain / spine lesions - Craniotomy and tumor excision- Stereotactic biopsy- Awake craniotomy- Neuronavigation-guided resection- Spinal tumor excision / stabilization
Deep Brain & Functional Neurosurgery - Parkinson’s disease- Essential tremor- Dystonia- Epilepsy- Chronic pain syndromes- Obsessive-compulsive disorder - Deep Brain Stimulation (DBS)- Thalamotomy / pallidotomy- Vagus Nerve Stimulation (VNS)- Stereotactic lesioning
Endovascular Neurosurgery / Neurovascular Interventions - Acute ischemic stroke- Intracranial aneurysm- Arteriovenous malformation (AVM)- Dural AV fistula- Carotid-cavernous fistula- Carotid / vertebral stenosis- Cerebral venous thrombosis-Venous thombectomy - Mechanical thrombectomy- Intra-arterial thrombolysis- Aneurysm coiling / stent-assisted coiling- Flow diverter placement- AVM / dAVF embolization- Carotid / vertebral artery stenting- Venous sinus stenting- MMA embolization for chronic SDH
Pediatric Neurosurgery - Congenital hydrocephalus- Myelomeningocele- Encephalocele- Craniosynostosis- Pediatric brain tumors - VP shunt / ETV- Myelomeningocele repair- Cranial vault remodeling- Tumor excision
CSF Disorders & Infections - Hydrocephalus- Pseudotumor cerebri- Brain abscess- Subdural empyema- Ventriculitis - VP / VA shunt- ETV- Burr hole drainage- Ommaya reservoir placement
Peripheral Nerve Surgery - Brachial plexus injury- Nerve sheath tumors- Carpal tunnel syndrome- Ulnar nerve entrapment - Nerve repair / graft- Neurolysis- Nerve transfer- Tumor excision
Qualification Specialization Institution Year of Passing
MBBS Calicut Medical College 2015
MCh Neurosurgery AIIMS New Delhi 2022
PDF Neurovascular Intervention National Board Of Examinations In Medical Sciences 2024
Designation Institution Tenure
Junior Resident All India Institute of Medical sciences ,New Delhi 2017-2019
Senior Resident All India Institute of Medical sciences ,New Delhi 2020-2023
Fellow neurovascular intervention National Board Of Examinations In Medical Sciences, New Delhi 2024-2025
  • Kalappuraikkal A, Thomas J. P032 Fusiform anuerysm of basilar artery -an illustrative case. In: Abstracts [Internet]. BMJ Publishing Group Ltd.; 2024 [cited 2025 Oct 6]. p. A40–1.
  • Thomas J, Arunnath K. P113 Sinus protection- a novel approach in treating Dural AV Fistulas transarterially. In: Abstracts [Internet]. BMJ Publishing Group Ltd.; 2024 [cited 2025 Oct 6]. p. A95–A95.
  • Goyal S, Pandey K, Kalappuraikkal A, Bora SK, Narwal A, Gupta D. Metastatic Cervicomedullary Lesion in the Postpartum Period: A Case-Based Review of CNS Metastases in Pregnancy and Postpartum Period. Indian Journal of Neurosurgery. 2025 May 29;s-0045-1809362.
  • Kalappuraikkal A, Goyal S, Meena RK. Fatal orbital penetrating injury complicated by contralateral internal carotid artery thrombosis and fungal meningitis: A case report. JNRP. 2025 Sept 30;0:1–4.
  • Thomas J, Srivastava T, Kalappuraikkal A. P101 Aneurysm originating from embyological variant primitive lateral basiloveertebral anastamosis. In: Abstracts [Internet]. BMJ Publishing Group Ltd.; 2024 [cited 2025 Oct 6]. p. A89.2-A90
  • Kalappuraikkal A, Thomas J. A244 Ethical considerations in implementing ai in neurointerventional surgery. In: 2 Artificial intelligence – 25 Ethical considerations in artificial intelligence in healthcare [Internet]. BMJ Publishing Group Ltd.; 2025 [cited 2025 Oct 6]. p. A44.2-A44
  • Thomas J, Kalappuraikkal A. A199 Basilar artery stenting-how and when? In: 8 Ischemic stroke – 85 Role of intracranial stenosis in ischemic stroke management [Internet]. BMJ Publishing Group Ltd.; 2025 [cited 2025 Oct 6]. p. A98.2-A99.
  • Kalappuraikkal A, Thomas J. P070 Navigating the venous route: transvenous embolization for complex arteriovenous malformations. In: Abstracts [Internet]. BMJ Publishing Group Ltd.; 2024 [cited 2025 Oct 6]. p. A71.2-A72.