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  • Functional Neurosurgery

    Functional Neurosurgery is the department that evaluates and surgically treats conditions with altered central nervous system (brain and spinal cord) physiology (normal function) but the anatomy may or may not be normal. 

    Conditions treated by Functional Neurosurgery

    • Epilepsy 

    • Parkinson’s disease

    • Trigeminal neuralgia

    • Essential tremor  

    • Dystonia

    • Psychiatric conditions such as obsessive-compulsive disorder 

    • Chronic pain (including cancer pain and failed back surgery syndrome)

    • Spasticity 

    • Treatment resistant neurological disorders   

     Epilepsy

    Although most of the cases of epilepsy can be managed by drug therapy but some cases may need surgical intervention. The surgical procedures performed for the treatment of epilepsy include: 

    • Implants for long-term invasive monitoring

    • Stereotactic EEG

    • Resective surgeries, such as lobectomy and seizure focus resection

    • Disconnection surgeries, such ascorpus callosotomy

    • Vagal nerve stimulator (VNS) implants

    • Responsive neurostimulator (RNS) implants

    • Stereotactic laser ablation

    • Lesionectomy

    • Hemispherectomy

    • Corticectomy


     Movement Disorders

    Movement disorders, such as Parkinson’s disease, dystonia and essential tremor that have not responded to medical management can be managed by Deep Brain Stimulation (DBS). Specific procedures performed include:

    • Subthalamic Nucleus (STN) in Parkinson's Disease 

    • Globus Pallidus (GPi) for dystonia or Parkinson's disease

    • Ventral Intermedius Nucleus (VIM) for tremor in essential tremor, Parkinson’s disease or other movement disorders. 

     Chronic Pain

    Chronic pain cases that re not relieved by conservative therapies may respond to following procedures: 

    • Spinal cord stimulation  

    • Occipital and supraorbital nerve stimulation 

    • Intrathecal pain pump implantation

    • Microvascular decompression

    • Rhizotomy  

    • Cordotomy   

     Spasticity

    Patients suffering from spasticity due to disorders like cerebral palsy, multiple sclerosis, spinal cord injury or traumatic brain injury etc. may benefit by implanting intrathecal baclofen pumps.  

     Psychiatric Disease

    Patients with severe and medically intractable Obsessive-compulsive disorder (OCD) and Major Depression can potentially benefit from any of the following surgery. 

    • Deep brain stimulation for OCD & Depression

    • Vagal nerve stimulation for Depression

    • Cingulotomy

    • Subcaudate tractotomy

       


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    Dr Shyam Sundar K

    MBBS , MS (Gen Surg), M.Ch. (Neuro) ReadMore
    Location

    Dr.Shyam Sundar Krishnan
    MBBS (Chennai), MS (Gen Surg), M.Ch. (Neuro)

    New No. 10, Old no 11, Parameswari Nagar,
    3rd Street, ADYAR,CHENNAI- 600 020,
    Tamil Nadu, India.

    +91 9952072279,+91 9962072279 shyamsundar_krishnan@yahoo.com
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