Deep brain stimulation for Parkinson’s disease: assessment, surgery and follow-up after treatment in China

A person may walk and dress reasonably well when medication is working, then become markedly stiff when its effect fades. Another may experience involuntary movements that make an otherwise useful dose difficult to tolerate. These are situations in which a neurologist may discuss deep brain stimulation, or DBS. Implanted electrodes and a pulse generator deliver stimulation to selected movement circuits. The practical decision involves both the symptoms that might improve and the patient’s ability to participate in medication adjustment and programming afterwards. The current Chinese treatment guideline places surgical treatment within continuing, individualized Parkinson’s care. Chinese Parkinson’s disease treatment guideline, fifth edition, reproduced original article

Key takeaways

These excerpts come from the original article. Read the full sections below for context.

Troublesome fluctuations, dyskinesia or disabling tremor despite an appropriate medication trial may justify discussing referral. The 2026 expert consensus encourages conversations about DBS alongside ongoing medication adjustment. It does not require waiting until someone has lost most of their independence. The assessment may nevertheless lead to further diagnostic review, treatment of another problem or a different therapy. A referral letter is an invitation to evaluate the possibilities, rather than a promise that implantation will follow. 2026 consensus recommendations for DBS referral
Some operations include testing while the patient is awake; others use an anesthetized approach with imaging guidance. Leads in the brain connect through wires under the skin to a pulse generator, usually positioned beneath the skin of the chest. The sequence and staging can differ between centers. Ask why the center recommends its approach for you rather than choosing on the basis of a phrase such as “painless surgery” or “real-time feedback.” Stanford Health Care explanation of DBS
Before paying, establish how neurology, functional neurosurgery and the programming clinic work together. Request separate information for assessment, implanted components, surgery and anesthesia, hospital care, initial and later programming, complication management and generator replacement. No single China-wide total has been verified for this article. International payment arrangements and insurance eligibility must be checked for the particular patient rather than inferred from information intended for locally insured residents.

Quick answer

Full guide

Referral opens an assessment; it does not confirm eligibility

Troublesome fluctuations, dyskinesia or disabling tremor despite an appropriate medication trial may justify discussing referral. The 2026 expert consensus encourages conversations about DBS alongside ongoing medication adjustment. It does not require waiting until someone has lost most of their independence. The assessment may nevertheless lead to further diagnostic review, treatment of another problem or a different therapy. A referral letter is an invitation to evaluate the possibilities, rather than a promise that implantation will follow. 2026 consensus recommendations for DBS referral

Before the appointment, identify one task you most want to regain. Perhaps you want to wash independently in the morning or eat without disruptive involuntary movements. Then identify an ability you particularly want to protect, such as clear speech or continuing your job. This makes the trade-offs easier to discuss. A general claim that surgery improves movement does not establish that it will correct your main difficulty, particularly when poor balance remains troublesome even during a good medication response.

Ask the specialist to connect each proposed benefit to your actual symptoms. If the appointment ends with a long list of possible improvements but no agreement about your priorities, request a written explanation before deciding. Family members may have different expectations, and it is useful to discover that before there is pressure to book a procedure.

Understanding the medication response comes before choosing a target

The team may compare movement in different medication states, review OFF periods and dyskinesia, and obtain imaging and general health assessments. Do not abruptly stop levodopa or lengthen a medication interruption at home to make the disease look more severe. Any withholding instructions for a supervised assessment need to come from the team. Problems swallowing or taking oral medicines must also be planned for. Maintaining appropriate Parkinson’s treatment during hospital care is an explicit concern in the NICE guideline. NICE recommendations on medicines and hospital care

Actual dose times are more informative than a list of drug names alone. If stiffness is consistently worst after lunch, record the associated medicine, meal, bowel difficulties and activity. These details help clinicians distinguish a short duration of benefit from inconsistent absorption, treatment limitations or symptoms that respond poorly to dopamine replacement. Report why previous medicines were stopped. Side effects, cost and inability to obtain a product can matter as much as the drug name.

A brief home diary should be understandable rather than elaborate. State what happened, when it happened and whether somebody else observed it. Videos can supplement the history when the clinician requests them, but a selected good or bad moment cannot represent the entire day. Keep the original medication packaging available so that unfamiliar formulations can be checked accurately.

Thinking, mood and support require their own assessment

Neuropsychological evaluation considers memory, attention, executive ability, language and emotional or behavioral difficulties. A screening score alone cannot settle the decision. Existing cognitive or mood problems need individual interpretation; significant problems may require treatment first or alter the balance of benefit and risk. The current referral consensus also rejects using a genetic result as a sole eligibility rule and does not require genetic testing for every DBS candidate. 2026 consensus on cognitive and genetic considerations

Bring concrete examples rather than a reassuring label such as “memory is fine.” Does the patient remember medication times? Can they explain the alternatives in their own words? Has there been unexpected spending, hallucinations or a change in judgment? The person considering surgery should have room to describe their wishes without another family member answering every question.

Practical support also deserves an honest conversation. Someone will need to understand wound instructions, follow appointment plans and help if mobility temporarily becomes more difficult. A caregiver hoping that surgery will remove every care responsibility may be pursuing a different goal from a patient who mainly wants steadier hands. The operation itself will not resolve that disagreement.

STN and GPi are clinical choices, not a price ranking

The subthalamic nucleus, or STN, and the internal globus pallidus, or GPi, are common targets. Randomized comparisons have examined motor outcomes alongside medication reduction and cognitive or emotional effects. Neither should be advertised as the best choice for every person of a particular age, and neither guarantees freedom from cognitive side effects. Ask why the recommended target fits your principal difficulties and whether the operation would still be worthwhile if medication reduction were smaller than hoped. Randomized comparison of pallidal and subthalamic stimulation

The proposed side or sides should be explained as well. Marked tremor in one hand does not describe all symptoms elsewhere in the body. Equally, a bilateral plan does not imply twice the benefit. A useful written opinion puts target, side and intended symptom improvements together, so that a second opinion can address the same question.

You can ask the team to separate the treatment goals into those with a reasonable expectation of benefit, those with uncertain benefit and those needing another approach. This is more useful than accepting a single headline percentage. If an outcome statistic is quoted, clarify whether it describes a motor scale, daily OFF time, medication reduction or patient satisfaction, and at what follow-up point.

What the implantation involves

Some operations include testing while the patient is awake; others use an anesthetized approach with imaging guidance. Leads in the brain connect through wires under the skin to a pulse generator, usually positioned beneath the skin of the chest. The sequence and staging can differ between centers. Ask why the center recommends its approach for you rather than choosing on the basis of a phrase such as “painless surgery” or “real-time feedback.” Stanford Health Care explanation of DBS

Disclose anticoagulants, antiplatelet medicines, previous surgical infections, sleep-related breathing problems and other implanted devices. Decisions about these require the relevant clinicians; another patient’s medication-withholding instructions are unsuitable substitutes. The consent discussion should address bleeding inside the skull, infection, wound or hardware problems, and possible changes affecting speech, mood or thinking.

If the hospital supplies its complication figures, ask what procedures and patients were included, how complications were defined and how long outcomes were followed. These questions are not a request for certainty. They help distinguish the risk of implantation from later programming side effects and from changes caused by Parkinson’s disease itself.

Implantation is followed by programming and medication adjustment

Activation timing, review intervals and any need to stay near the center should be specified by the treating service. Programming tests how different settings influence benefit and unwanted effects; the medication regimen may change alongside it. A short improvement in the clinic is encouraging, but everyday stability needs to be assessed across different activities and times. An unsatisfactory first setting is not a reason to turn stimulation up as far as a controller allows. DBS patient guide hosted by the University of Pennsylvania

At your accommodation, observe ordinary tasks such as turning in bed, eating, speaking or passing through a narrow doorway. Record when a setting was changed so that the team can interpret subsequent effects. The controller functions you may use depend on the device and the permissions provided by your clinicians. Online programming demonstrations do not authorize a patient to reproduce professional settings.

Keep a clear contact route for wound redness or discharge, fever or an abrupt neurological change. Ask which concerns require emergency assessment locally and which can be discussed with the DBS clinic. A messaging account is useful only if somebody knows who monitors it and when a reply can reasonably be expected. The discharge plan should not leave the family guessing about urgent care while waiting for an international response.

Adaptive stimulation does not remove the need for expertise

Some systems can use recorded brain signals to adjust stimulation. The FDA approved a specific adaptive DBS feature on February 20, 2025. That approval does not mean every previously implanted system can be upgraded, nor does it establish an identical authorization in China. Compare the exact hardware, software, intended use and programming support actually offered by the hospital. FDA record for the adaptive DBS supplement

Rechargeable and non-rechargeable generators also create different practical responsibilities. Hand function, memory, caregiver help and access to later replacement should be considered alongside expected service life. Before leaving, retain the model details for every implanted component, the device card, current settings and the responsible service’s contacts.

Future MRI examinations or procedures involving electromagnetic energy require a check against the current instructions for the complete implanted system. “MRI compatible” is not sufficient information on its own. The imaging team may need component details and input from the implanting service. It is worth confirming before surgery who will supply this documentation if another hospital requests it years later.

Earlier discussion is different from surgery immediately after diagnosis

EARLYSTIM studied selected people who already had early motor complications. Its findings support discussing DBS in that setting; the word “early” should not be interpreted as an instruction to implant a device in everyone newly diagnosed. Continuing medical treatment can be reasonable when it provides stable function that meets the person’s needs. A consultation should explain why assessment is timely for this individual, without suggesting that declining an immediate operation automatically closes every future opportunity. EARLYSTIM randomized trial

If you do not want a brain implant, ask whether further medication adjustment or an appropriate continuous delivery option is worth assessing. Studies of different treatments use different populations, observation periods and endpoints. Their OFF-time reductions cannot simply be placed in a league table. Managing a pump, dealing with its practical demands and obtaining medication consistently at home may affect the choice. MDS evidence review for treatment of motor fluctuations

Planning DBS in China around long-term care

Before paying, establish how neurology, functional neurosurgery and the programming clinic work together. Request separate information for assessment, implanted components, surgery and anesthesia, hospital care, initial and later programming, complication management and generator replacement. No single China-wide total has been verified for this article. International payment arrangements and insurance eligibility must be checked for the particular patient rather than inferred from information intended for locally insured residents.

Confirm whether the clinician at home can support the same brand and model. If remote programming is proposed, ask whether it is available and permitted where you will actually be located, and what happens if a physical examination or hardware check is needed. Travel, accommodation, caregiver time and repeated visits can materially affect the budget.

An airline booking does not establish readiness to travel. Ask the team to assess recovery, wound care, mobility and the practical ability to manage medicines and the device on the journey. Completing implantation and being ready to make a long trip independently are separate decisions.

Language arrangements can affect the quality of assessment. The patient needs to describe stiffness, anxiety and changes after a dose accurately, rather than having every symptom summarized by a companion. Establish whether medical interpretation is available, which language is used for cognitive testing and whether the discharge material can be understood by the receiving clinician. Put these requirements in the appointment request so that missing information does not create an avoidable additional visit.

Rehabilitation remains relevant after DBS. Walking, balance and daily activities need goals that can evolve as motor control changes, while fall risks and household obstacles should be reassessed. Including rehabilitation and a receiving clinician in the original plan helps connect the procedure with usable abilities in everyday life. APTA clinical practice guideline for Parkinson’s disease physical therapy