Best Neurosurgeons for Deep Brain Stimulation (DBS) in Chennai, India

Parkinson's disease is a chronic, progressive disorder of the central nervous system in which the loss of dopamine-producing neurons disrupts the brain's ability to coordinate smooth, controlled movement. 'Movement disorders' is a broader category that includes Parkinson's disease alongside other conditions such as essential tremor and dystonia, each with distinct causes and management approaches.

The most recognisable symptoms of Parkinson's disease include a resting tremor (often beginning in one hand), muscle rigidity, slowness of movement (bradykinesia), and postural instability that increases fall risk; non-motor symptoms such as sleep disturbances, depression, constipation, and cognitive changes are also common and can precede motor symptoms by years. In related movement disorders, the dominant symptom may be an action or postural tremor (as in essential tremor) or sustained involuntary muscle contractions causing abnormal postures (as in dystonia). Experiencing any of these symptoms does not confirm a specific diagnosis, as several neurological and other medical conditions can produce similar presentations, and formal evaluation by a specialist is required.

Parkinson's disease is primarily a clinical diagnosis based on a detailed neurological history and examination, using internationally recognised criteria such as the UK Parkinson's Disease Society Brain Bank criteria or the MDS Clinical Diagnostic Criteria, which assess the presence and pattern of cardinal motor features. Severity and functional impact are often measured using standardised tools such as the Movement Disorder Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS) or the Hoehn and Yahr staging scale, both of which help guide treatment decisions over time. Supportive investigations — including dopamine transporter (DaT) SPECT imaging, brain MRI to exclude structural causes, and autonomic or neuropsychological testing where indicated — may be arranged to confirm the diagnosis or distinguish Parkinson's from related movement disorders.

The treatment approach for Parkinson's disease and related movement disorders depends on the specific diagnosis, symptom severity, rate of progression, and the individual's overall health and personal priorities, all of which must be assessed by a qualified specialist. For most people, management begins with and continues to rely on non-surgical strategies, though procedural interventions may become appropriate at certain stages when medication response is insufficient or complications arise. Procedural options available through this directory include Deep Brain Stimulation (DBS), a reversible neurosurgical procedure that modulates abnormal brain circuit activity, and Focused Ultrasound (FUS) Thalamotomy, a non-incision technique that uses precisely targeted sound waves to reduce disabling tremor — both suitable only for carefully selected patients following multidisciplinary review.

Non-surgical management is the cornerstone of Parkinson's disease care and typically begins with dopaminergic medications — most notably levodopa, dopamine agonists, and MAO-B inhibitors — which remain effective for many people for years. Physical therapy, occupational therapy, speech and language therapy, and structured exercise programmes (including balance training and activities such as tai chi or cycling) have meaningful evidence for maintaining function and quality of life. Dietary guidance, psychological support, and regular monitoring for non-motor symptoms such as depression and cognitive change are also important components of long-term care, and many individuals are managed exclusively through these approaches throughout much of their disease course.

Deep Brain Stimulation (DBS) may be considered only when it is appropriate for the confirmed diagnosis and the expected benefit outweighs the individual risks. The decision may depend on symptom severity, investigation results, previous treatment, overall health and the patient's goals. A specialist should discuss alternatives and recovery before any procedure is planned.

Parkinson's disease and related movement disorders are evaluated and managed by a movement disorder neurologist — a neurologist with specialist training in this group of conditions — often working within a multidisciplinary team. When surgical intervention such as DBS is being considered, a functional neurosurgeon with specific experience in stereotactic procedures joins the team, alongside neuropsychologists, specialist nurses, and physiotherapists.

When comparing providers for Parkinson's disease or a movement disorder, it is worth asking about the centre's volume of DBS or FUS procedures performed annually, the composition of its multidisciplinary team, its process for patient selection and pre-operative neuropsychological assessment, and the structure of its long-term programming and follow-up support after any intervention.

Share a concise medical summary, symptom timeline, previous diagnoses, investigation and imaging reports, procedure or biopsy reports where relevant, current medicines, allergies and related treatment records. Provide clear copies with translations when needed. The reviewing doctor may request additional information before giving an opinion.

Our care coordination team can review the initial information, help identify suitable doctors and hospitals, request a medical opinion where available, explain next steps and indicative cost information, and support practical planning before travel. A remote opinion does not replace an in-person examination or emergency care.