The #1 Reason DBS Can “Fail” Even When the Surgery Technically Went Fine

📌 Learn more about Dr. Chengyuan Wu: https://www.healthgrades.com/physician/dr-chengyuan-wu-3nsg5 A DBS surgery can go perfectly. No bleeding, no infection, a smooth recovery. And a patient can still say months later that it did not work. That gap confuses a lot of families, and the answer usually comes down to something nobody can see in the operating room: exactly where the electrode ended up. In this video, I'm going to explain why electrode placement, not just a smooth operation, determines whether deep brain stimulation actually works, and what can be done if it does not. ⏱️ TIMESTAMPS 0:00 The #1 Reason DBS Can “Fail” Even When the Surgery Technically Went Fine 0:35 The target in the brain is extremely small 1:26 How this shows up as side effects or weak results 2:00 Can programming fix a misplaced electrode 3:38 How directional electrodes help, and their limits 4:19 How surgeons confirm electrode location 6:29 Why I verify placement with imaging in the OR 7:08 Other reasons DBS might not work besides placement 9:00 The therapeutic window explained 10:06 What to do if your DBS already isn't working ❓ QUESTIONS ANSWERED Why does DBS sometimes not work even if the surgery had no complications? A smooth surgery only means there were no bleeding, infection, or recovery problems. It does not guarantee the electrode is positioned precisely enough to give strong symptom relief. Can programming fix a poorly placed DBS electrode? Programming and directional electrodes can compensate for some placement issues, but there is a limit. If the electrode is too far from the ideal target, increasing stimulation often causes side effects before enough benefit is achieved. What should I do if I already have DBS and it isn't working? Work through the possibilities with an experienced team, including whether the original symptom was a good candidate for stimulation, what programming has already been tried, and whether imaging shows the electrode is positioned where it needs to be. 📌 RESOURCES LinkedIn: https://www.linkedin.com/in/chengyuan-wu-53a38861 FB: https://www.facebook.com/NeurosurgWu Publications: https://pubmed.ncbi.nlm.nih.gov/41549765/ Patient reviews: https://www.healthgrades.com/physician/dr-chengyuan-wu-3nsg5 🔔 If this helped you understand your own tremor or someone else's, please subscribe. New videos break down surgical options like deep brain stimulation and focused ultrasound in plain language. 💬 If you or someone you love has been through DBS, tell me in the comments: did your symptoms respond the way you expected, or did something feel off? I read these and it helps me know what to cover next. 🎥 ABOUT DR. CHENGYUAN WU Dr. Chengyuan Wu is a board certified neurosurgeon (American Board of Neurological Surgery) specializing in stereotactic and functional neurosurgery. He is a Fellow of the American Association of Neurological Surgeons (FAANS) and the American Epilepsy Society (FAES), holds an MD and MSBmE, and is in his 11th year of practice. He has performed over 2,500 surgeries, including hundreds of deep brain stimulator implants for Parkinson's disease, essential tremor, epilepsy, and chronic pain, as well as incisionless MRI guided focused ultrasound. This channel is independent patient education, not affiliated with any hospital or device company, and offers no cure claims or brand endorsements. #EssentialTremor #ParkinsonsDisease #DeepBrainStimulation #MovementDisorders #Neurosurgery